DIPTI METAL INDUSTRIES
🌍 Global Manufacturer • Supplier • Exporter
✅ PED & ISO Certified
🏭 Large-Diameter & Thick-Walled Specialist
🧪 MTC EN 10204 3.1/3.2 • PMI Traceability
⚙️ Oil & Gas • Petrochemical • Power Industries
DIPTI METAL INDUSTRIES — Your Global Partner for Piping Materials
Dipti Metal Industries is a Piping Materials Manufacturer, Piping Materials Exporter, Piping Materials SupplierPED & ISO certified producer and worldwide supplier of large-diameter thick-walled seamless and welded steel pipes, fittings, bends, flanges, gaskets, bolting, valves, and specialty pipeline items for oil & gas, petrochemicals, power, and process industries.
We adhere to the highest quality standards, ensuring every component meets rigorous specifications and is delivered with full traceability. Our commitment to excellence supports critical pipeline projects and industrial infrastructure worldwide, providing reliable, high-performance piping solutions.
Request a Quote for Piping Materials
WhatsApp Sales
✅ PED Certified
ISO 9001/14001/45001
API/ASME/ASTM Compliant
PMI & MTC Traceability
1. General & Scope
This page presents Dipti Metal Industries’ standard Piping Material Specification for process and pipeline applications. It defines material selection, pressure–temperature design basis, wall-thickness allowances, ends, and applicable standards for pipes, fittings, flanges, gaskets, bolting, valves, bends, vents/drains, and specialty items.
Industries:
Gas transmission & distribution, liquid pipelines, refineries, petrochemicals, power & utilities, chemical plants, terminals.
Traceability:
Mill Test Certificates (EN 10204 3.1/3.2), PMI, NDE, hydrotest records.
Fabrication Options:
Cut-to-length, beveled ends (ASME B16.25), coating/lining, threading (ASME B1.20.1), welding procedures to ASME Section IX.
2. Codes & Standards
Design Codes
- ASME B31.3 (Process Piping)
- ASME B31.1 (Power Piping)
- ASME B31.8 (Gas Transmission)
- ASME B31.4 (Liquid Pipelines)
Core Standards
- ASME B16.5 / B16.47 (Flanges)
- ASME B16.9 / B16.11 (Fittings)
- ASME B16.20 / B16.21 (Gaskets)
- ASME B18.2, B1.1, B1.20.1 (Bolting/Threads)
Material Standards
3. Pressure–Temperature Design
Design ratings align with ASME B16.5 / B16.47 and the governing piping code. Conditions consider startup, shutdown, and emergency cases.
4. Pipe Wall-Thickness Allowances
Corrosion Allowance (typical):
CS/Low Alloy dry 1.6 mm; wet 3.2 mm; SS 0 mm (service-specific values available).
Manufacturing tolerances (per ASTM/API) and threading/machining deductions are included in final selection.
5. Ends & Units
Ends:
BW (ASME B16.25), SW/THD (ASME B16.11), NPT (ASME B1.20.1), Flanged (ASME B16.5/B16.47).
Units:
SI (bar, °C), NB in inches.
6. Material Selection – Piping Systems
Carbon & Low Alloy Steel
- ASTM A106/A53/API 5L (Seamless/ERW/SAW), LTCS A333 Gr.6, Alloy A335 (P1/P11/P22/P5/P9).
- Forgings A105 / A350 LF2 / A182 F22.
- Plates A516/A387.
Stainless & Duplex
- A312/A213 304/304L/316/316L/321/347, Duplex A790 S31803/S32205, Super Duplex S32750/S32760.
- Castings A351 CF8/CF8M.
Nickel Alloy & Specialty
- Inconel/Alloy 625 (B444/B446), CuNi 90/10 (B466/B171), Titanium Grade 2 (B338/B348).
- Gaskets B16.20; Bolting A193/A194.
7. Product Catalogue
Pipes
- CS: ASTM A106 Gr. B, A53 Gr. B, API 5L B/X42–X70
- LTCS: ASTM A333 Gr. 6
- Alloy: ASTM A335 P1/P11/P22/P5/P9
- SS/DS: ASTM A312/A790 304/316/Duplex
- EFW/SAW: A671/A672/A691, A358
Fittings & Flanges
- Fittings: ASME B16.9, B16.11, MSS-SP-75/97
- Flanges: ASME B16.5, B16.47 (Series A/B), MSS-SP-44
- Gaskets: ASME B16.20/B16.21 • Bolting: A193/A194
- Valves: API 6D/598/607, BS 1873/1868, API 602/608/609
- Specialty: LR bends, scraper traps, insulating joints
Popular cross-references: ASTM A106 ↔ DIN St35.8/St45.8 • A335 P11/P22 ↔ DIN 13CrMo44/10CrMo9-10 • A312 304/316 ↔ DIN 1.4301/1.4401 • A516 Gr.70 ↔ JIS SGV480
8. ASTM / UNS / JIS / DIN Cross-Reference
Search or scroll the table below for full international equivalence of Piping Materials grades. Comprehensive.
| ASTM Standard | UNS No. | KS/JIS Symbol | KS/JIS Number | DIN Type | DIN Material No. | Remarks |
|---|---|---|---|---|---|---|
| A36 – Structural Steel | K02600 | SMS400A / SM400A | D3515 / G3106 | St44-2 | 1.0044 | Thickness < 1½ in |
| A48 – Gray Cast Iron (Class 25) | F11701 | GC200 / FC200 | D4301 / G5501 | GG20 | 0.602 | Casings |
| A53 Gr. A – Welded/Seamless Pipe | K02504 | SPPS38 / STPG370 | D3562 / G3454 | St37.2 (welded), St35 (seamless) | 1.0036 / 1.0308 | Boiler/Pressure Pipe |
| A53 Gr. B – Welded/Seamless Pipe | K03005 | SPPS42 / STPG410 | D3562 / G3454 | St42-2 (welded), St45 (seamless) | 1.0040 / 1.0408 | Higher strength |
| A105 – CS Forgings | K03504 | SFVC2A | D4122 / G3202 | 19Mn5 | 1.0482 | Flanges/Forged parts |
| A106 Gr. A – Seamless Pipe (High Temp) | K02501 | SPHT38 / STPT370 | D3570 / G3456 | St35.8 | 1.0305 | Boiler/Pressure Pipe |
| A106 Gr. B – Seamless Pipe (High Temp) | K03006 | SPHT42 / STPT410 | D3570 / G3456 | St45.8 | 1.0405 | Pressure Pipe |
| A126 Gr. A – Gray Iron Casings | F11501 | GC200 / FC200 | D4301 / G5501 | GG15 | 0.6015 | Valves/Flanges |
| A126 Gr. B – Gray Iron Casings | F12102 | GC250 / FC250 | D4301 / G5501 | GG25 | 0.6025 | Pipe fittings |
| A131 Gr. A – Ship Steel | K02300 | SWS400A / SM400A | D3515 / G3106 | St44-2 | 1.0044 | Marine structural |
| A131 Gr. B – Ship Steel | K02102 | SWS400B / SM400B | D3515 / G3106 | St44-2 | 1.0044 | Shipbuilding |
| A131 Gr. D/E – Ship Steel | K02101 | SWS400C / SM400C | D3515 / G3106 | St44-3 | 1.0044 | Higher impact grade |
| A134 – EFW Steel Pipe | – | SPW400 / STPY400 | K3583 / G3457 | – | – | Arc-welded |
| A139 Gr. B – EFW Pipe | K03003 | – | – | – | – | General piping |
| A139 Gr. C – EFW Pipe | K03004 | – | – | – | – | General piping |
| A167 (304) – SS Plate/Sheet | S30400 | STS304 / SUS304 | D3705 / G4304 | X5CrNi18-9 | 1.4301 | Austenitic SS |
| A167 (304L) – SS Plate/Sheet | S30403 | STS304L / SUS304L | D3705 / G4304 | X2CrNi18-9 | 1.4306 | Low-carbon |
| A167 (316) – SS Plate/Sheet | S31600 | STS316 / SUS316 | D3705 / G4304 | X5CrNiMo18-10 | 1.4401 | Mo-bearing SS |
| A167 (316L) – SS Plate/Sheet | S31603 | STS316L / SUS316L | D3705 / G4304 | X2CrNiMo18-10 | 1.4404 | Low-carbon |
| A167 (321) – SS Plate/Sheet | S32100 | STS321 / SUS321 | D3705 / G4304 | X10CrNiTi18-9 | 1.4541 | Stabilized |
| A167 (347) – SS Plate/Sheet | S34700 | STS347 / SUS347 | D3705 / G4304 | X10CrNiNb18-9 | 1.455 | Stabilized |
| A176 (405) – SS Plate | S40500 | STS405 / SUS405 | D3705 / G4304 | X7CrAl13 | 1.4002 | Ferritic |
| A176 (410) – SS Plate | S41000 | STS410 / SUS410 | D3705 / G4304 | X10Cr13 | 1.4006 | Martensitic |
| A176 (410S) – SS Plate | S41008 | STS410S / SUS410S | D3705 / G4304 | X7Cr13 | 1.4 | Low C |
| A178 Gr. A – ERW Boiler Tube | K01200 | STBH340 / STB35 | D3563 / G3461 | St37.8 | 1.0315 | Boiler tube |
| A178 Gr. C – ERW Boiler Tube | K03503 | STBH410 / STB42 | D3563 / G3461 | St42.8 | 1.0498 | Boiler tube |
| A179 – Seamless Cold-Drawn Low-C Steel Tubes (Heat Exchanger & Condenser) | K01200 | STBH340 / STB35 | D3563 / G3461 | St 35.4 / St 35.8 | 1.0309 / 1.0305 | Plus DIN 2391 |
| A181 Class 60 – CS Forgings (General Piping) | K03502 | SFVC1 | D4122 / G3202 | St44-2 | 1.0044 | Per AD-Merk W-13 |
| A181 Class 70 – CS Forgings (General Piping) | – | SFVC2A | D4122 / G3202 | C22 / 19Mn5 / 20Mn5 | 1.0402 / 1.0482 / 1.1133 | WBL 620 / WBL 610 / WBL 550 |
| A182 F1 – Alloy Steel Forgings | K12822 | SFVA F1 | D4123 / G3203 | 16Mo5 | 1.5423 | High temp service |
| A182 F5 – Alloy Steel Forgings | K42544 | SFVA F5B | D4123 / G3203 | 12CrMo19-5 | 1.7362 | WBL-400/590 |
| A182 F6a – Alloy Steel Forgings | – | – | – | X10Cr13 | 1.4006 | Martensitic SS |
| A182 F11 – Alloy Steel Forgings | K11572 | SFVA F11 | D4123 / G3203 | 13CrMo44 | 1.7335 | WBL-620 |
| A182 F12 – Alloy Steel Forgings | K11564 | SFVA F12 | D4123 / G3203 | 13CrMo44 | 1.7335 | WBL-620 |
| A182 F22 – Alloy Steel Forgings | K21590 | SFVA F22B | D4123 / G3203 | 10CrMo9-10 | 1.738 | WBL-610 |
| A182 F304 / F304L / F304H – SS Forgings | S30400 / S30403 / S30409 | STSF304 / SUSF304 | D4115 / G3214 | X5CrNi18-9 / X2CrNi18-9 | 1.4301 / 1.4306 | Austenitic |
| A182 F310 – SS Forgings | S31000 | STSF310S / SUSF310S | D4115 / G3214 | – | – | Heat resisting SS |
| A182 F316 / F316L / F316H – SS Forgings | S31600 / S31603 / S31609 | STSF316 / SUSF316 | D4115 / G3214 | X5CrNiMo18-10 / X2CrNiMo18-10 | 1.4401 / 1.4404 | Austenitic |
| A182 F321 – SS Forgings | S32100 | STSF321 / SUSF321 | D4115 / G3214 | X10CrNiTi18-9 | 1.4541 | Stabilized SS |
| A182 F347 – SS Forgings | S34700 | STSF347 / SUSF347 | D4115 / G3214 | X10CrNiNb18-9 | 1.455 | Stabilized SS |
| A192 – Seamless Carbon Steel Boiler Tubes (High Pressure) | K01201 | STBH340 / STB340 | D3563 / G3461 | St35.8 | 1.0305 | – |
| A193 B6 – Alloy Steel Bolting | S41000 | STS410 / SUS410 | D3706 / G4303 | X7Cr13 | 1.4 | For high temp service |
| A193 B7 / B7M – Alloy Steel Bolting | G41400 | SNB7 | D3755 / G4107 | 42CrMo4 / 24CrMo5 | 1.7225 / 1.7258 | Limit 500°C |
| A193 B8 – SS Bolting | S30400 | STS304 / SUS304 | D3706 / G4303 | X5CrNi18-9 | 1.4301 | Austenitic |
| A193 B8C – SS Bolting | S34700 | STS347 / SUS347 | D3706 / G4303 | X10CrNiNb18-9 | 1.455 | Stabilized |
| A193 B8M – SS Bolting | S31600 | STS316 / SUS316 | D3706 / G4303 | X5CrNiMo18-10 | 1.4401 | Mo-bearing |
| A193 B8T – SS Bolting | S32100 | STS321 / SUS321 | D3706 / G4303 | X10CrNiTi18-9 | 1.4541 | Stabilized |
| A193 B16 – Alloy Bolting | K14072 | SNB16 | D3755 / G4107 | 40CrMoV55 | 1.7711 | High strength |
| A194 2H – Nuts (CS/Alloy) | K04002 | SM45C / S45C | D3752 / G4051 | C35 | 1.1181 | General |
| A194 4 – Nuts | K14510 | – | – | 24CrMo5 | 1.7258 | For high temp |
| A194 6 / 6F – Nuts | S41000 | STS410 / SUS410 | D3706 / G4303 | X7Cr13 | 1.4 | Martensitic SS |
| A194 8 / 8M – Nuts (SS) | S30400 / S31600 | STS304 / STS316 | D3706 / G4303 | X5CrNi18-9 / X5CrNiMo18-10 | 1.4301 / 1.4401 | Austenitic |
| A199 T5 – Seamless Alloy Tubes | K41545 | STHA24 / STBA25 | D3572 / G3462 | 12CrMo19-5 | 1.7362 | Boiler tubes |
| A199 T11 – Seamless Alloy Tubes | K11597 | STHA22 / STBA23 | D3572 / G3462 | 13CrMo44 | 1.7335 | Boiler tubes |
| A199 T22 – Seamless Alloy Tubes | K21590 | STHA23 / STBA24 | D3572 / G3462 | 10CrMo9-10 | 1.738 | Boiler tubes |
| A200 T5 – Seamless Alloy Tubes (Refinery) | K41545 | STHA24 / STBA25 | D3572 / G3462 | 12CrMo19-5 | 1.7362 | High temp |
| A200 T11 – Seamless Alloy Tubes | K11597 | STHA22 / STBA23 | D3572 / G3462 | 13CrMo44 | 1.7335 | Boiler/Refinery |
| A200 T22 – Seamless Alloy Tubes | K21590 | STHA23 / STBA24 | D3572 / G3462 | 10CrMo9-10 | 1.738 | Boiler/Refinery |
| A203 Gr. D – Ni Steel Plate | K31718 | SL3N225 | D3586 / G3127 | 10Ni14 | 1.5637 | WBL-680 |
| A203 Gr. E – Ni Steel Plate | K32018 | SL3N275 | D3586 / G3127 | – | – | – |
| A204 Gr. A/B – Mo Steel Plates | K11820 / K12020 | SB450M / SB480M | D3560 / G3103 | 16Mo5 | 1.5423 | Boiler PV |
| A209 T1 / T1a – C-Mo Steel Tubes | K11522 / K12023 | STHA12 / STBA12 | D3572 / G3462 | 16Mo5 | 1.5423 | Boiler tubes |
| A210 A-1 – Medium-C Steel Boiler Tube | K02707 | STBH410 / STB410 | D3563 / G3461 | St45.8 | 1.0405 | Superheater |
| A213 T5 – Alloy Boiler Tube | K41545 | STHA24 / STBA25 | D3572 / G3462 | 12CrMo19-5 | 1.7362 | Heat exchanger |
| A213 T11 – Alloy Boiler Tube | K11597 | STHA22 / STBA23 | D3572 / G3462 | 13CrMo44 | 1.7335 | Boiler tubes |
| A213 T12 – Alloy Boiler Tube | K11562 | STHA21 / STBA22 | D3572 / G3462 | 13CrMo44 | 1.7335 | Heat exchanger |
| A213 T22 – Alloy Boiler Tube | K21590 | STHA23 / STBA24 | D3572 / G3462 | 10CrMo9-10 | 1.738 | Heat exchanger |
| A213 TP304 / L – SS Boiler Tubes | S30400 / S30403 | STS304TB / SUS304TB | D3577 / G3463 | X5CrNi18-9 / X2CrNi18-9 | 1.4301 / 1.4306 | Austenitic |
| A213 TP310 – SS Boiler Tube | S31000 | STS310STB | D3577 / G3463 | X12CrNi25-28 | 1.4845 | High temp |
| A213 TP316 / L – SS Boiler Tubes | S31600 / S31603 | STS316TB | D3577 / G3463 | X5CrNiMo18-10 / X2CrNiMo18-10 | 1.4401 / 1.4404 | Austenitic |
| A213 TP321 – SS Boiler Tubes | S32100 | STS321TB | D3577 / G3463 | X10CrNiTi18-9 | 1.4541 | Stabilized |
| A213 TP347 – SS Boiler Tubes | S34700 | STS347TB / SUS347TB | D3577 / G3463 | X10CrNiNb18-9 | 1.455 | Stabilized |
| A214 – ERW Heat Exchanger Tubes | K01807 | STBH340 / STB35 / STBH410 / STB42 / STBH510 / STB52 | D3563 / G3461 | St37-2 | 1.0036 | ERW only |
| A216 WCA – CS Castings (High Temp) | J02502 | SCPH1 | D4107 / G5151 | GS-C25 | 1.0619 | Fusion weldable |
| A216 WCB – CS Castings | J03002 | SCPH2 | D4107 / G5151 | – | – | General purpose |
| A217 WC1 – Alloy Steel Castings | J12524 | SCPH11 | D4107 / G5151 | GS-22Mo4 | 1.5419 | Pressure parts |
| A217 WC6 – Alloy Steel Castings | J12072 | SCPH21 | D4107 / G5151 | GS-17CrMo5-5 | 1.7357 | High temp |
| A217 WC9 – Alloy Steel Castings | J21890 | – | – | – | – | – |
| A217 C5 – Alloy Steel Castings | J42045 | SCPH61 | D4107 / G5151 | GS-12CrMo19-5 | 1.7363 | WBL-595 |
| A217 C12 – Alloy Steel Castings | J82090 | – | – | G-X12CrMo10-1 | 1.7389 | WBL-595 |
| A217 CA15 – Alloy Steel Castings | J91150 | – | – | – | – | Martensitic SS casting |
| A234 WPB – CS Fittings | K03006 | SPHT42 / STPT42 | D3750 / G3456 | St45.8 | 1.0405 | Moderate temp |
| A234 WPC – CS Fittings | K03501 | SPHT49 / STPT49 | D3750 / G3456 | – | – | – |
| A234 WP1 – Alloy Fittings | K12821 | SPA10 / STPA12 | D3753 / G3458 | 16Mo5 | 1.5423 | High temp |
| A234 WP5 – Alloy Fittings | K41545 | SPA24 / STPA25 | D3753 / G3458 | 12CrMo19-5 | 1.7362 | High temp |
| A234 WP11 – Alloy Fittings | – | SPA22 / STPA23 | D3753 / G3458 | 13CrMo44 | 1.7335 | Boiler/Heater |
| A234 WP12 – Alloy Fittings | K12062 | SPA21 / STPA22 | D3753 / G3458 | 13CrMo44 | 1.7335 | – |
| A234 WP22 – Alloy Fittings | K21590 | SPA23 / STPA24 | D3753 / G3458 | 10CrMo9-10 | 1.738 | – |
| A240 304 / 304L – SS Plate | S30400 / S30403 | STS304 / SUS304 | D3693 / G3601 | X5CrNi18-9 / X2CrNi18-10 | 1.4301 / 1.4306 | Austenitic |
| A240 316 / 316L – SS Plate | S31600 / S31603 | STS316 / SUS316 | D3693 / G3601 | X5CrNiMo18-10 / X2CrNiMo18-10 | 1.4401 / 1.4404 | Mo-bearing |
| A240 317 / 317L – SS Plate | S31700 / S31703 | STS317 / SUS317 | D3693 / G3601 | – | – | – |
| A240 321 – SS Plate | S32100 | STS321 / SUS321 | D3693 / G3601 | X10CrNiTi18-9 | 1.4541 | Stabilized |
| A240 347 – SS Plate | S34700 | STS347 / SUS347 | D3693 / G3601 | X10CrNiNb18-9 | 1.455 | Stabilized |
| A240 405 – Ferritic SS Plate | S40500 | STS405 / SUS405 | D3693 / G3601 | X7CrAl13 | 1.4002 | Ferritic |
| A240 410 / 410S – Martensitic SS Plate | S41000 / S41008 | STS410 / STS410S | D3693 / G3601 | X10Cr13 / X7Cr13 | 1.4006 / 1.4000 | Martensitic |
| A240 430 – Ferritic SS Plate | S43000 | STS430 / SUS430 | D3693 / G3601 | X8Cr17 | 1.4016 | Ferritic |
| A252 – Welded & Seamless Pipe Piles | – | – | – | – | – | Structural piling |
| A263 – Cr-Ni Steel Clad Plate (Type 405) | S40500 | STS405 / SUS405 | D3693 / G3601 | X7CrAl13 | 1.4002 | Clad plate |
| A263 (410S) – Clad Plate | S41008 | STS410S / SUS410S | D3693 / G3601 | X7Cr13 | 1.4 | – |
| A264 (304/304L) – Clad Plate | S30400 / S30403 | STS304 / SUS304 | D3693 / G3601 | X5CrNi18-9 / X2CrNi18-9 | 1.4301 / 1.4306 | Austenitic |
| A264 (316/316L) – Clad Plate | S31600 / S31603 | STS316 / SUS316 | D3693 / G3601 | X5CrNiMo18-10 / X2CrNiMo18-10 | 1.4401 / 1.4404 | Austenitic |
| A264 (317/317L) – Clad Plate | S31700 / S31703 | STS317 / SUS317 | D3693 / G3601 | – | – | – |
| A264 (321/347) – Clad Plate | S32100 / S34700 | STS321 / STS347 | D3693 / G3601 | X10CrNiTi18-9 / X10CrNiNb18-10 | 1.4541 / 1.4550 | Stabilized |
| A265 – Ni/Ni-Cu Alloy Clad Plate | – | – | – | – | NiCu30Fe | 2.436 |
| A266 Class 1 – CS Forgings for Pressure Vessels | K03506 | SFVC / SFVC1 | D4122 / G3202 | Ck22 | 1.1151 | – |
| A266 Class 4 – CS Forgings for Pressure Vessels | K03017 | SFVC28 / SFVC2B | D4122 / G3202 | Ck22 | 1.1151 | – |
| A268 (405) – Ferritic SS Tubing | S40500 | – | – | X7CrAl | 1.4002 | Ferritic |
| A268 (410) – Martensitic SS Tubing | S41000 | STS405TB / SUS405TB | D3577 / G3463 | X10Cr13 | 1.4006 | Boiler/Gen. service |
| A269 – Seamless & Welded Austenitic SS Tubing | ||||||
| Type 304 | S30400 | STS304TB / SUS304TB | D3577 / G3463 | X5CrNi18-9 | 1.4301 | Austenitic |
| Type 304L | S30403 | STS304LTB / SUS304LTB | D3577 / G3463 | X2CrNi18-10 | 1.4306 | Austenitic |
| Type 316 | S31600 | STS316TB / SUS316TB | D3577 / G3463 | X5CrNiMo18-10 | 1.4401 | Mo-bearing |
| Type 316L | S31603 | STS316LTB / SUS316LTB | D3577 / G3463 | X2CrNiMo18-10 | 1.4404 | Mo-bearing |
| Type 317 | S31700 | STS317TB / SUS317TB | D3577 / G3463 | – | – | – |
| Type 321 | S32100 | STS321TB / SUS321TB | D3577 / G3463 | X10CrNiTi18-9 | 1.4541 | Stabilized |
| Type 347 | S34700 | STS347TB / SUS347TB | D3577 / G3463 | X10CrNiNb18-9 | 1.455 | Stabilized |
| A271 – Seamless Austenitic Cr-Ni Tubes (Refinery) | ||||||
| TP304 | S30400 | STS304TF / SUS304TF | D3587 / G3467 | X5CrNi18-9 | 1.4301 | Refinery service |
| TP304H | S30409 | STS304HTF / SUS304HTF | D3587 / G3467 | X6CrNi18-11 | 1.4948 | WBL-640 |
| TP316 | S31600 | STS316TF / SUS316TF | D3587 / G3467 | X5CrNiMo18-10 | 1.4401 | Refinery service |
| TP321 | S32100 | STS321TF / SUS321TF | D3587 / G3467 | X10CrNiTi18-9 | 1.4541 | Stabilized |
| TP347 | S34700 | STS347TF / SUS347TF | D3587 / G3467 | X10CrNiNb18-10 | 1.455 | Stabilized |
| TP347H | S34709 | STS347HTF / SUS347HTF | D3587 / G3467 | X8CrNiNb16-13 | 1.4961 | WBL-670 |
| A276 – Stainless & Heat Resisting Steel Bars | ||||||
| Type 304 | S30400 | STS304 / SUS304 | D3706 / G4303 | X5CrNi18-9 | 1.4301 | Austenitic |
| Type 304L | S30403 | STS306M / SUS304L | D3706 / G4303 | X2CrNi18-10 | 1.4306 | Austenitic |
| Type 310 | S31000 | STS310S / SUS310S | D3706 / G4303 | X12CrNi25-21 | 1.4845 | Heat resistant |
| Type 316 | S31600 | STS316 / SUS316 | D3706 / G4303 | X5CrNiMo18-10 | 1.4401 | Austenitic |
| Type 316L | S31603 | STS316L / SUS316L | D3706 / G4303 | X2CrNiMo18-10 | 1.4404 | Austenitic |
| Type 317L | – | STS317 / SUS317 | D3706 / G4303 | – | – | – |
| Type 321 | S32100 | STS321 / SUS321 | D3706 / G4303 | X10CrNiTi18-9 | 1.4541 | Stabilized |
| Type 347 | S34700 | STS347 / SUS347 | D3706 / G4303 | X10CrNiNb18-9 | 1.455 | Stabilized |
| A283 – Low/Intermediate Tensile CS Plates (Structural) | ||||||
| Grade C | – | SS400 | D3503 / G3101 | USt37-2 | 1.0036 | Structural |
| Grade D | – | SS400 | D3503 / G3101 | St44-3 | 1.0044 | Structural |
| A285 – CS Plates for Pressure Vessels | ||||||
| Grade A & B | K01700 | – | – | HI | 1.0345 | – |
| Grade C | K02801 | SB410 | D3560 / G3103 | HH | 1.0425 | – |
| A297 – Heat Resistant Fe-Cr/Fe-Cr-Ni Castings | ||||||
| Grade HF | J92603 | HRSC12 / SCH12 | D4105 / G5122 | GX40CrNiSi22-9 | 1.4826 | High temp |
| Grade HH | J93503 | HRSC13 / SCH13 | D4105 / G5122 | GX35CrNiSi25-12 | 1.4837 | Heat resistant |
| Grade HK | J94224 | HRSC22 / SCH22 | D4105 / G5122 | GX40CrNiSi25-20 | 1.4848 | High temp |
| Grade HP | N08705 | HRSC24 / SCH24 | D4105 / G5122 | GX40CrNiSi35-25 | 1.4857 | High temp |
| A299 – C-Mn-Si Steel Plates (Pressure Vessels) | K02803 | SPPV355 / SPV355 | D3521 / G3115 | WSt355 | 1.0565 | PV quality |
| A302 – Mn-Mo / Mn-Mo-Ni Steel Plates (Pressure Vessels) | ||||||
| Grade A | K12021 | SBV1A | D3638 / G3119 | – | – | – |
| Grade B | K12022 | SBV1B | D3638 / G3119 | – | – | – |
| A307 – Low CS Threaded Bolts | – | SS400 | D3503 / G3101 | 5D (St50.11) | – | Threaded fasteners |
| A312 – Seamless & Welded Austenitic SS Pipe | ||||||
| TP304 | S30400 | STS304TP / SUS304TP | D3576 / G3459 | X5CrNi18-9 | 1.4301 | Austenitic |
| TP304H | S30409 | STS304HTP / SUS304HTP | D3576 / G3459 | – | – | High-temp grade |
| TP304L | S30403 | STS304LTP / SUS304LTP | D3576 / G3459 | X2CrNi18-9 | 1.4306 | Low carbon |
| TP310 | S31000 | STS310STP / SUS310STP | D3576 / G3459 | – | – | Heat resistant |
| TP316 | S31600 | STS316TP / SUS316TP | D3576 / G3459 | X5CrNiMo18-10 | 1.4401 | Mo-bearing |
| TP316H | S31609 | STS316HTP / SUS316HTP | D3576 / G3459 | – | – | High-temp |
| TP316L | S31603 | STS316LTP / SUS316LTP | D3576 / G3459 | X2CrNiMo18-10 | 1.4404 | Low carbon |
| TP321 | S32100 | STS321TP / SUS321TP | D3576 / G3459 | X10CrNiTi18-9 | 1.4541 | Ti-stabilized |
| TP347 | S34700 | STS347TP / SUS347TP | D3576 / G3459 | X5CrNiNb18-9 | 1.4543 | Nb-stabilized |
| TP347H | S34709 | STS347HTP / SUS347HTP | D3576 / G3459 | – | – | High-temp Nb grade |
| A320 – Alloy Steel Bolting for Low Temp | ||||||
| L7 | – | SCM440 | D3711 / G4105 | 42CrMo4 | 1.7225 | Quenched & tempered |
| L43 | – | SMCM439 / SNCM439 | D3709 / G4301 | – | – | – |
| B8 | S30400 | STS304 / SUS304 | D3706 / G4303 | X5CrNi18-9 | 1.4301 | Austenitic |
| A325 – High Strength Structural Bolts | ||||||
| Type 1 | K02706 | SM33C / S33C | D3752 / G4051 | Cq35 | 1.1172 | – |
| Type 2 | D11900 | – | – | 22B2 | 1.5508 | – |
| A333 – Seamless & Welded Pipes for LT Service | ||||||
| Grade 1 | K03008 | SPLT39 / STPL380 | D3569 / G3460 | TT St41 N | 1.0437 | – |
| Grade 3 | K31918 | SPLT46 / STPL450 | D3569 / G3460 | 10Ni14 | 1.5637 | Ni steel |
| Grade 6 | K03006 | – | – | TT St45 N | 1.0456 | Common LT grade |
| Grade 8 | K81340 | SPLT70 / STPL690 | D3569 / G3460 | X8Ni9 | 1.5662 | High Ni steel |
| A334 – CS & Alloy Steel Tubes for LT Service | ||||||
| Grade 1 | K03008 | SPLT39 / STBL380 | D3571 / G3464 | TT St41 N | 1.0437 | LT tubes |
| Grade 3 | K31918 | SPLT46 / STBL450 | D3571 / G3464 | 10Ni14 | 1.5637 | – |
| Grade 6 | K03006 | – | – | TT St45 N | 1.0456 | LT service |
| Grade 8 | K81340 | SPLT70 / STBL690 | D3571 / G3464 | X8Ni9 | 1.5662 | – |
| A335 – Seamless Ferritic Alloy Steel Pipe (High Temp) | ||||||
| P1 | K11522 | SPA12 / STPA12 | D3573 / G3458 | 16Mo5 | 1.5423 | – |
| P5 | K41545 | SPA25 / STPA25 | D3573 / G3458 | 12CrMo19-5 | 1.7362 | High temp |
| P9 | S50400 | SPA26 / STPA26 | D3573 / G3458 | – | – | – |
| P11 | K11597 | SPA23 / STPA23 | D3753 / G3458 | 13CrMo44 | 1.7335 | – |
| P12 | K11562 | SPA22 / STPA22 | D3753 / G3458 | 13CrMo44 | 1.7335 | – |
| P22 | K21590 | SPA24 / STPA24 | D3753 / G3458 | 10CrMo9-10 | 1.738 | – |
| A350 – Forged CS & Alloy Steel (LT Service) | ||||||
| LF1 | K03009 | SFL1 | D4125 / G3205 | TT41 | 1.0437 | LT forgings |
| LF2 | K03011 | SFL2 | D4125 / G3205 | TT StE315 | 1.0508 | Most common |
| LF3 | K32025 | SFL3 | D4125 / G3205 | 10Ni14 | 1.5637 | Ni steel |
| A351 – Austenitic Steel Castings (High Temp) | ||||||
| CF8 | J92600 | SSC13 / SCS13A | D4103 / G5121 | GX CrNi18-9 | 1.4308 | Cast 304 |
| CF8M | J92900 | SSC14 / SCS14A | D4103 / G5121 | GX6CrNiMo18-10 | 1.4408 | Cast 316 |
| CK20 | J94202 | SSC18 / SCS18 | D4103 / G5121 | GX15CrNiSi25-20 | 1.4849 | Heat resistant |
| HK40 | J94204 | HRSC22 / SCH22 | D4105 / G5122 | GX40CrNiMo25-20 | 1.4848 | High temp |
| A352 – Ferritic Steel Castings (LT Service) | ||||||
| Grade LCB | J03003 | SCPL1 | D4111 / G5152 | GS-CK24 | 1.1156 | WBL-685 |
| Grade LC2 | J22500 | SCPL21 | D4111 / G5152 | – | – | – |
| Grade LC3 | J31550 | SCPL31 | D4111 / G5152 | GS-10Ni14 | 1.5638 | WBL-685 |
| A353 – 9% Nickel Steel Plate | K81340 | – | – | X8Ni9 | 1.5662 | WBL-680 |
| A358 – EFW Austenitic Cr-Ni Pipe | ||||||
| Grade 304 | S30400 | STS304TPY / SUS304TPY | D3588 / G3468 | X5CrNi18-9 | 1.4301 | – |
| Grade 310 | S31000 | STS310STPY / SUS310STPY | D3588 / G3468 | X12CrNi25-21 | 1.4845 | WBL-470 |
| Grade 316 | S31600 | STS316TPY / SUS316TPY | D3588 / G3468 | X5CrNiMo18-10 | 1.4401 | – |
| Grade 321 | S32100 | STS321TPY / SUS321TPY | D3588 / G3468 | X10CrNiTi18-9 | 1.4541 | Ti-stabilized |
| Grade 347 | S34700 | STS347TPY / SUS347TPY | D3588 / G3468 | X10CrNiNb18-9 | 1.455 | Nb-stabilized |
| A387 – Cr-Mo Steel Plates (Pressure Vessels) | ||||||
| Gr. 5 Cl. 1 & 2 | K41545 | SCMV6 | D3543 / G4109 | 12CrMo19-5 | 1.7362 | WBL-590 |
| Gr. 11 | K11789 | SCMV3 | D3543 / G4109 | 13CrMo44 | 1.7335 | – |
| Gr. 12 | K11757 | SCMV2 | D3543 / G4109 | 13CrMo44 | 1.7335 | – |
| Gr. 21 | K31545 | SCMV5 | D3543 / G4109 | – | – | – |
| Gr. 22 Cl. 1 & 2 | K21590 | SCMV4 | D3543 / G4109 | 10CrMo9-10 | 1.738 | WBL-595 |
| A395 – Ferritic Ductile Iron Castings | F32800 | – | – | – | – | For elevated temp |
| A403 – Wrought Austenitic SS Fittings | S30400 | – | – | – | – | Generic family spec |
| A414 – CS Sheet (Pressure Vessels) | ||||||
| Grade B | K02201 | SB410 | D3560 / G3103 | HI | 1.0345 | – |
| Grade D | K02505 | SB410 | D3560 / G3103 | HH | 1.0425 | – |
| Grade C | K02503 | – | – | HIH | 1.0435 | – |
| A426 – Centrifugally Cast Ferritic Alloy Steel Pipe | ||||||
| CP1 | J12501 | SCPH-11CF | D4112 / G5202 | – | – | – |
| CP12 | J11562 | SCPH-21CF | D4112 / G5202 | GS-17CrMo55 | 1.7357 | – |
| CP22 | J21890 | SCPH-32CF | D4112 / G5202 | GS-18CrMo9-10 | 1.7379 | – |
| A442 – CS Plates with Improved Transition | ||||||
| Grade 55 | K02202 | – | – | TT St41N | 1.0437 | WBL-680 |
| Grade 60 | K02402 | SPV235 | D3521 / G3115 | – | – | – |
| A447 – Cr-Ni-Fe Alloy Castings (High Temp) | Type 11 | J93303 | – | – | GX35CrNi25-12 | 1.4831 |
| A451 – Centrifugally Cast Austenitic Steel Pipe (High Temp) | ||||||
| Grade CPF 8 | J92600 | – | – | GX6CrNi18-9 | 1.4308 | Stainless cast |
| Grade CPF 8C | J92710 | – | – | GX7CrNiNb18-9 | 1.4552 | Nb-stabilized |
| Grade CPF 8M | J92900 | – | – | GX6CrNiMo18-9 | 1.4408 | Mo-bearing |
| Grade CPK 20 | J94202 | – | – | GX15CrNi25-20 | 1.484 | Heat resisting |
| A508 – Q&T Forgings (Pressure Vessel) | ||||||
| Class 1 | K13502 | – | – | – | – | – |
| Class 2 | K12766 | – | – | 22NiMoCr37 | 1.6571 | WBL-640 |
| Class 3 | K12042 | – | – | 20MnMoNi55 | 1.631 | WBL-640 |
| A515 – CS Plates (Pressure Vessels, Intermediate/High Temp) | ||||||
| Grade 55 | K02001 | – | – | HH | 1.0425 | – |
| Grade 60 | K02401 | SB410 | D3560 / G3103 | HIH | 1.0435 | – |
| Grade 65 | K02800 | SB450 | D3560 / G3103 | HIV | 1.0445 | – |
| Grade 70 | K03101 | SB480 | D3560 / G3103 | 19Mn5 | 1.0485 | – |
| A516 – CS Plates (Pressure Vessels, Moderate/Low Temp) | ||||||
| Grade 55 | K01800 | – | – | ASt41 | 1.0426 | – |
| Grade 60 | K02100 | SGV410 | D3540 / G3118 | ASt45 | 1.0436 | – |
| Grade 65 | K02403 | SGV450 | D3540 / G3118 | ASt45 | 1.0436 | – |
| Grade 70 | K02700 | SGV480 | D3540 / G3118 | ASt52 | 1.0843 | – |
| A536 – Ductile Iron Castings | F32800 | – | – | – | – | Nodular iron |
| A537 – C-Mn-Si Plates (Heat Treated, Pressure Vessel) | ||||||
| Class 1 | K02400 | SPV355N | D3521 / G3115 | 19Mn5 | 1.0485 | Normalized |
| Class 2 | K12437 | SPV450Q | D3521 / G3115 | – | – | Quenched/Tempered |
| A542 – Cr-Mo Plates (Q&T, Pressure Vessel) | ||||||
| Class 4 | K21590 | – | – | – | – | – |
| A553 – 9% Ni Plates (Q&T, Pressure Vessel) | ||||||
| Type 1 | K81340 | SL9N 590 | D3586 / G3127 | – | – | Cryogenic service |
| A560 – Cr-Ni Alloy Castings | ||||||
| 50Cr-50Ni | R20500 | – | – | – | – | Heat-resisting |
| 60Cr-40Ni | R20600 | – | – | – | – | Heat-resisting |
| 50Cr-50Ni-Cb | – | – | – | – | – | Cb stabilized |
| A569 – Hot Rolled CS Sheets (Commercial Quality) | – | SHP1 / SPHC | D3501 / G3131 | USt37-2 | 1.0112 | – |
| A570 – Hot Rolled CS Sheets/Strips (Structural Quality) | ||||||
| Grade 30 | K02502 | SS330 | D3503 / G3101 | USt37-2 | 1.0036 | – |
| Grade 36 | K02502 | SS400 | D3503 / G3101 | USt37-2 | 1.0036 | – |
| Grade 40 | K02502 | SS400 | D3503 / G3101 | USt44-2 | 1.0044 | – |
| A573 – Structural CS Plates (Improved Toughness) | ||||||
| Grade 65 | K02404 | SGV450 | D3540 / G3118 | USt44-3 | 1.0144 | – |
| Grade 70 | K02701 | SGV480 | D3540 / G3118 | USt52-3 | 1.057 | – |
| A608 – Centrifugally Cast High Alloy Tubing (High Temp) | ||||||
| Grade HK40 | J94204 | – | – | – | – | Heat resisting |
| A611 – Cold Rolled CS Structural Sheet | ||||||
| Grade B | – | SCP1-8D / SPCC8D | D3512 / G3141 | – | – | – |
| Grade C | – | SCP1-4 / SPCC4 | D3512 / G3141 | St12 | 1.033 | – |
| Grade D | – | SCP1-1 / SPCC1 | D3512 / G3141 | – | – | – |
| A615 – Deformed Billet-Steel Bars for Reinforcement | ||||||
| Grade 40 | – | SD30 / SD295 | D3504 / G3112 | – | – | – |
| Grade 60 | – | SD40 / SD390 | D3504 / G3112 | BSt42/50 | RU488 / 1.0433 | Rebar |
| A633 – Normalized HSLA Structural Steel | ||||||
| Grade A | K01802 | SLA325 | D3541 / G3126 | TStE315 | 1.0508 | – |
| Grade C | K12000 | SLA360 | D3541 / G3126 | TStE355 | 1.0566 | – |
| Grade E | K12202 | – | – | TStE420 | 1.8912 | – |
| A645 – 5% Ni Special Heat Treated Plate | K41583 | – | – | – | – | Cryogenic |
| A671 – EF Welded Pipe (Atmospheric/Low Temp) | – | – | – | – | – | Pipe spec |
| A672 – EF Welded Pipe (High Pressure, Moderate Temp) | – | – | – | – | – | Pipe spec |
| A675 – Hot Rolled CS Bars (Special Quality) | – | – | – | – | – | – |
| A691 – EF Welded CS & Alloy Pipe (High Temp) | – | – | – | – | – | Pipe spec |
| A743 – Corrosion-Resistant Castings (General) | ||||||
| Grade CF-8 | J92600 | SSC13 / SCS13A | D4103 / G5121 | GX6CrNi18-9 | 1.4308 | Cast 304 |
| Grade CF-8M | J92900 | SSC14 / SCS14A | D4103 / G5121 | GX6CrNiMo18-10 | 1.4408 | Cast 316 |
| Grade CK-20 | J94202 | SSC18 / SCS18 | D4103 / G5121 | GX15CrNi25-20 | 1.484 | Cast heat resisting |
| Grade CA-15 | J91150 | SSC1 / SCS1 | D4103 / G5121 | GX12Cr14 | 1.4008 | Martensitic |
| Grade CA-6NM | J91650 | – | – | – | – | Martensitic, Ni-Mo |
Need the table as CSV/XLS? Use the export button above; we can also provide downloadable files with filters and column groupings.
9. Global Export Network: Worldwide Distributor & Exporter of Piping Materials
DIPTI METAL INDUSTRIES is a proud Worldwide Exporter, Global Supplier, Leading Dealer, and Major Stockist of Piping Materials, with an extensive network that extends to over 190 countries worldwide. We ensure timely and compliant delivery of our premium piping components to major industrial hubs and critical infrastructure projects across the globe, with a strong focus on oil & gas, petrochemical, chemical processing, and power generation sectors worldwide, solidifying our position as a top international trading partner for these specialized high-temperature and pressure piping solutions. The countries and cities listed below highlight our established key markets and are illustrative of our truly global reach for all our piping products.
Explore Our Extensive Global Reach (Illustrative Markets)
We are Manufacturer, Suppliers, Distributor, Stockholder, Wholesaler, Dealer, Stockist, Exporter, Importer in UAE, Saudi Arabia, Qatar, Oman, Bahrain, Kuwait, Iraq, Egypt, South Africa, Nigeria, Kenya, Morocco, Ethiopia, Ghana, Tanzania.
- Pipes UAE: Abu Dhabi, Dubai, Sharjah, Jebel Ali, Ajman, Ras Al Khaimah, Fujairah
- Fittings Saudi Arabia: Riyadh, Dammam, Al Khobar, Jubail, Jeddah, Yanbu
- Flanges Qatar: Doha, Ras Laffan, Mesaieed
- Valves Oman: Muscat, Sohar, Duqm, Salalah
- Gaskets Bahrain: Manama, Sitra
- Bolting Kuwait: Kuwait City, Ahmadi, Shuaiba
- Specialty Items Iraq: Basra, Baghdad, Erbil
- CS Pipes Egypt: Alexandria, Cairo, Suez
- SS Fittings South Africa: Durban, Johannesburg, Cape Town, Richards Bay
- Alloy Flanges Nigeria: Lagos, Port Harcourt, Warri
We are Manufacturer, Suppliers, Distributor, Stockholder, Wholesaler, Dealer, Stockist, Exporter, Importer in Singapore, Malaysia, Indonesia, Vietnam, Thailand, Philippines, Japan, South Korea, China, Hong Kong, Taiwan, Bangladesh, Sri Lanka, Australia, New Zealand.
- Pipes Singapore: Jurong, Tuas
- Fittings Malaysia: Port Klang, Johor, Bintulu, Kuching, Labuan
- Flanges Indonesia: Jakarta, Surabaya, Batam, Balikpapan
- Valves Vietnam: Ho Chi Minh City, Hai Phong, Da Nang
- Gaskets Thailand: Bangkok, Laem Chabang, Map Ta Phut
- Bolting Philippines: Manila, Cebu, Subic Bay
- SS Pipes Japan: Tokyo, Yokohama, Osaka, Nagoya
- CS Fittings South Korea: Busan, Incheon, Ulsan
- Alloy Flanges China: Shanghai, Ningbo, Tianjin, Qingdao, Shenzhen, Guangzhou
- Duplex Fittings Australia: Sydney, Melbourne, Brisbane, Perth, Adelaide
- Super Duplex Flanges New Zealand: Auckland, Wellington, Christchurch
We are Manufacturer, Suppliers, Distributor, Stockholder, Wholesaler, Dealer, Stockist, Exporter, Importer in UK, Germany, France, Italy, Spain, Netherlands, Belgium, Switzerland, Poland, Turkey, Russia, Ukraine, USA, Canada, Mexico, Brazil, Argentina, Chile, Peru, Colombia.
- Pipes UK: London, Aberdeen, Teesside, Southampton
- Fittings Germany: Hamburg, Bremen, Duisburg, Frankfurt
- Flanges France: Marseille, Le Havre, Paris, Dunkirk
- Valves Italy: Genoa, Trieste, Taranto, Milan
- Gaskets USA: Houston, New Orleans, Los Angeles, Newark, Charleston, Seattle
- Bolting Canada: Toronto, Montreal, Vancouver, Calgary, Edmonton
- CS Pipes Mexico: Veracruz, Altamira, Manzanillo, Monterrey
- SS Fittings Brazil: Santos, Rio de Janeiro, Vitória, São Paulo
- Alloy Flanges Argentina: Buenos Aires, Rosario, Bahía Blanca
- Duplex Valves Chile: Valparaíso, San Antonio
- Nickel Alloy Pipes Peru: Callao, Lima
- Specialty Items Colombia: Cartagena, Barranquilla
10. Contact Dipti Metal Industries
Secure the best price for your Piping Materials. Easily request MTC / QA Docs, submit your BOQ / Drawings, or inquire about lead times. Our expert team is ready to provide prompt, professional assistance. Partner with Dipti Metal Industries – Your trusted global supplier, top manufacturer, and leading exporter for superior Piping Materials. Experience the Dipti® difference in quality, reliability, and comprehensive solutions.
Price guidance (non-binding): Pricing varies significantly by material, product type, size, schedule, quantity, and specific certifications. Final prices are quotation-based.
Head Office (Mumbai, India)
Address
No.9, Shreepati Castle, D-1, 10–11th Khetwadi Back Road, Mumbai – 400004, Maharashtra, India
Phone
Mob./WhatsApp