ASTM A182 F347 is a forging material specification for 347 grade stainless steel that is used to make naked forgings, as well as forged and machined products, for high-temperature applications. Astm a182 f347 forged bolts, screws, nuts, studs, threaded rods, and similar fasteners or bolting parts are available from Resistant Metal Alloys.
The ASTM A182 specification for 347 stainless steel forgings and forged products covers chemical composition, mechanical qualities, heat treatment, and other extra requirements.
| Identification Symbol | UNS Number | Grade | Elements | Composition % |
|---|---|---|---|---|
| F347 | S34700 | 18 chromium, 8 nickel modified with columbium 347 |
Carbon | 0.08 max |
| Manganese | 2.00 max | |||
| Phosphorus | 0.045 max | |||
| Sulfur | 0.030 max | |||
| Silicon | 1.00 max | |||
| Nickel | 9.00 - 13.00 | |||
| Chromium | 17.00 - 20.00 |
| Property | Value |
|---|---|
| Tensile Strength, min, ksi [MPa] | 71 [490] |
| Yield Strength, min, ksi [MPa] | 31 [215] |
| Elongation in 2 in. [50mm] or 4D, min, % | 35 |
| Reduction or Area, min, % | -- |
| Brinell Hardness Number, HBW | -- |