Dipti Metal Industries DIPTI METAL INDUSTRIES
🔥 High Temp Specialist 🌍 ASTM A182 F347H Global Exporter 📑 EN 10204 3.1 Certified

ASTM A182 F347H Flanges Manufacturer & Stockist

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.

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📘 Technical Data Sheet: ASTM A182 F347H (UNS S34709)

ASTM A182 F347H Chemical Composition

ElementASTM 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

ASTM A182 F347H Mechanical Properties

PropertyASTM 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 TemperatureUp to 815°C (1500°F)

🔧 ASTM A182 F347H Flange Manufacturing Scope

Flange Type ASTM A182 F347H Standards Size Range Class / Pressure Rating
ASTM A182 F347H Weld NeckASME B16.5 / B16.471/2" to 60"Class 150 to 2500
ASTM A182 F347H Slip OnASME B16.51/2" to 24"Class 150 to 1500
ASTM A182 F347H BlindASME B16.4726" to 60"Series A & B
ASTM A182 F347H Socket WeldASME B16.111/2" to 4"3000# to 9000#
ASTM A182 F347H RTJAPI 6A / ASMEAll NPSRing Type Joint

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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