ASTM A182 F347 Stainless Steel Flange
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ASTM A182 F347 stainless steel flange is made of F347 material, which contains 18% chromium, 10% nickel, carbon, silicon, sulfur, phosphorus, 2% manganese and cobalt and titanium for stabilization. ASTM A182 F347 stainless steel high temperature flange has a minimum tensile strength of 515MPa, a minimum yield strength of 205MPa, and a melting point of 1454 degrees Celsius.
ASTM A182 F347 forged flanges are suitable for environments and high temperature applications where sensitization and carbide precipitation may be a problem such as chemical processing, petrochemical, pharmaceutical and food processing industries.
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Product information
ASTM A182 F347 Flanges Specification Chart
| Specification : | Stainless Steel 347 Flange |
| Supporting Flange Material: | Ring Joint, Flange Bolts, Gasket |
| Design For Size: | ASA Flange, ASME Flange, DIN Flange, PN Flange, JIS Flange, ANSI Flange, BS Flange, EN Flange |
| Size Chart : | 1/2″ (15 NB) To 48″ (1200NB) |
| Production Process: | Forged, Heat Treated and Machined |
| Coating Flange Faces : | Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized |
| Stainless Steel 304L Flange Standards: | ASME B16.38 Flange, EN-1092 Flange, BS10 Flange, DIN Flange, PN Flange, ASME B16.47 (Series A, Series B) Flange, JIS Flange, ISO Flange, GOST Flange, UNI Flange, AWWA Flange, MSS SP44 Flange, ASME B16.5 Flange |
| Pressure Rating Table: | Class 150 LBS, Class 300 LBS, Class 600 LBS, Class 900 LBS, Class 1500 LBS, Class 2500 LBS |
| Connect Type Type: | LMF Flange, SMF Flange, LJF Flange, RF Flange, FF Flange, RTJ Flange |
| Flange Machining Equipment: | Bending machine, Pushing Machine, electric bevelling machine, Sand-blasting machine, Press machine etc |
ASTM A182 F347 Weld neck Flange Chemical Composition
| Grade | Si | P | S | Ni | Fe | C | Mn | Cr | Cb |
| SS 347 | 1.0 max | 0.045 max | 0.030 max | 9.00 – 13.00 | 62.74 min | 0.08 max | 2.0 max | 17.00 – 20.00 | 10xC – 1.10 |
ASTM A182 347 socket welding Flanges Mechanical Properties
| Tensile Strength | Yield Strength (0.2%Offset) | Density | Melting Point | Elongation |
| Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 8.0 g/cm3 | 1454 °C (2650 °F) | 35 % |
SS UNS S34700 flange

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gnee has 14 steel production lines, 10 processing equipment for processing, bending, painting, heat treatment, cutting, drilling, beveling, tempering, surface treatment, complete testing equipment and strong technical force. The annual production capacity is more than 60,000 tons.
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A.Yes, we can produce and process according to your requirements.
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A.Yes, we have our own quality control laboratory.
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