DIPTI METAL INDUSTRIES
🧬 Super Austenitic UNS S31277
🌍 ASTM A182 F70 Global Exporter
📑 EN 10204 3.1 Certified
ASTM A182 F70 Flanges Manufacturer & Stockist
Dipti Metal Industries is a specialist global manufacturer of ASTM A182 F70 flanges. Grade F70 (UNS S31277) is a high-alloy super austenitic stainless steel containing significant levels of Chromium, Nickel, and Molybdenum (7%). It is designed to withstand the most extreme corrosive environments, such as flue gas desulfurization (FGD), high-chloride chemical processing, and deep-sea offshore applications. We provide ASTM A182 F70 flanges with full traceability and EN 10204 3.1/3.2 Material Test Certificates.
📘 Technical Specification: ASTM A182 F70 (UNS S31277)
ASTM A182 F70 Chemical Composition
| Element | ASTM A182 F70 (%) |
|---|---|
| Carbon (C) | 0.020 Max |
| Chromium (Cr) | 20.5 - 23.0 |
| Nickel (Ni) | 26.0 - 28.0 |
| Molybdenum (Mo) | 6.5 - 8.0 |
| Nitrogen (N) | 0.15 - 0.25 |
| Copper (Cu) | 0.50 - 1.50 |
| Iron (Fe) | Balance |
ASTM A182 F70 Mechanical Properties
| Property | ASTM A182 F70 Value |
|---|---|
| Tensile Strength (min) | 770 MPa (112 ksi) |
| Yield Strength (min) | 360 MPa (52 ksi) |
| Elongation (min) | 40% |
| Hardness (max) | 241 HBW |
| PREN Value | ≥ 45.0 |
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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