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ASTM A182 F304 Coupling Forged Fitting B16.11 Oil Gas Pipeline Chemical
What Is ASTM A182 F304 ?
ASTM A182 F304 is the standard "18/8" stainless steel; it is the most versatile and widely used stainless steel, available in a wider range of products, forms and finishes than any other stainless steel. It has excellent forming and welding properties. The balanced austenitic structure of grade 304 allows it to be severely deep drawn without intermediate annealing, which makes this grade dominant in the manufacture of drawn stainless steel parts such as sinks, hollowware and cookware. For these applications it is common to use a special variant of "304DDQ" (deep drawn quality).
Grade 304 is easily braked or rolled into a variety of parts for applications in industry, construction and transport. grade 304 also has excellent welding properties. Post-weld annealing is not required when welding thin sections.
Chemical Composition of ASTM A182 F304 Coupling
| 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 | – |
Mechanical Properties of ASTM A182 F304 Coupling
| 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 % |
Equivalent Grades of ASTM A182 F304 Coupling
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| SS 304 | 1.4301 | S30400 | SUS 304 | 304S31 | 08Х18Н10 | Z7CN18-09 | X5CrNi18-10 |
Application
Oil
Gas
Pipeline
Chemical
Cement Industries
Ship Building Industries
