DIPTI METAL INDUSTRIES
Dipti Metal Industries is a leading ISO 9001:2015 certified manufacturer of ASTM A182 F347H (UNS S34709) high carbon stainless steel flanges. Grade F347H is stabilized with Columbium (Niobium) and features a higher carbon content than standard 347, ensuring improved creep strength and stability at temperatures up to 1500°F (815°C). We supply premium ASTM A182 F347H forged flanges for refineries, power plants, and oil & gas processing with full material certification and TPI options.
| Element | ASTM A182 F347H (%) |
|---|---|
| Carbon (C) | 0.04 - 0.10 |
| Manganese (Mn) | 2.00 Max |
| Chromium (Cr) | 17.00 - 19.00 |
| Nickel (Ni) | 9.00 - 13.00 |
| Columbium (Cb+Ta) | 8 x C min / 1.10 max |
| Silicon (Si) | 1.00 Max |
| Sulfur (S) | 0.030 Max |
| Property | ASTM A182 F347H Value |
|---|---|
| Tensile Strength (min) | 515 MPa (75 ksi) |
| Yield Strength (min) | 205 MPa (30 ksi) |
| Elongation (min) | 30% |
| Hardness (max) | 192 HBW |
| Service Temperature | Up to 815°C (1500°F) |
| Flange Type | ASTM A182 F347H Standards | Size Range | Class / Pressure Rating |
|---|---|---|---|
| ASTM A182 F347H Weld Neck | ASME B16.5 / B16.47 | 1/2" to 60" | Class 150 to 2500 |
| ASTM A182 F347H Slip On | ASME B16.5 | 1/2" to 24" | Class 150 to 1500 |
| ASTM A182 F347H Blind | ASME B16.47 | 26" to 60" | Series A & B |
| ASTM A182 F347H Socket Weld | ASME B16.11 | 1/2" to 4" | 3000# to 9000# |
| ASTM A182 F347H RTJ | API 6A / ASME | All NPS | Ring Type Joint |
Dipti Metal Industries
No.9, Shreepati Castle, D-1, 10–11th Khetwadi Back Road, Mumbai – 400004, India
Email: info@diptimetal.com
Phone: +91-22-66381301
WhatsApp: +91-9975266499