ASTM A182 / ASME SA-182 F304 heat Exchange Flanges with High Melting Point for High-Temperature Applications
ASTM A182 / ASME SA-182 F304 heat Exchange Flanges with High Melting Point for High-Temperature Applications
ASTM A182 / ASME SA-182 F304 flanges are forged flanges made of F304 grade stainless steel that conform to the ASTM A182 / ASME SA-182 standard. This material is commonly used for high-performance flanges in demanding applications.
ASTM A182 / ASME SA-182 covers forged or rolled alloy and stainless steel pipe flanges, forged fittings, and valves and components for high-temperature applications.
F304 offers excellent corrosion resistance in a wide range of atmospheric, chemical, and food/beverage environments.
Heater flanges are particularly common components in the following applications:
Fired heaters and boilers: Used to connect piping conveying hot fluids (oil, gas, steam, water) within or outside the heater structure.
Heat exchangers: Used to connect piping to the shell/tube side.
High-temperature process piping: Used in refineries, chemical/petrochemical plants, and power plants (fossil fuel and nuclear).
SS 304 Flanges Chemical Composition Standard
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| SS 304 | 0.08 max | 2 max | 0.75 max | 0.045 max | 0.030 max | 18 – 20 | - | 8 – 11 | - |
Flange Mechanical Strength
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
ASTM A182 F304 Flange Application
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