ASTM A182 F904L is a forging material specification for stainless steel of the 904L grade that is used to make naked forgings or forged and machined products for high-temperature applications. Astm a182 f904l forged bolts, screws, nuts, studs, threaded rods, and similar fasteners or bolting parts are available from Resistant Metal Alloys.
The ASTM A182 specification for 904L stainless steel forgings and forged products covers chemical composition, mechanical qualities, heat treatment, and other extra requirements.
Identification Symbol | UNS Number | Grade | Elements | Composition % |
---|---|---|---|---|
F904L | N08904 | 21 chromium, 26 nickel, 4.5 molybdenum |
Carbon | 0.02 max |
Manganese | 2.00 max | |||
Phosphorus | 0.04 max | |||
Sulfur | 0.03 max | |||
Silicon | 1.00 max | |||
Nickel | 23.00 - 28.00 | |||
Chromium | 19.00 - 23.00 | |||
Molybdenum | 4.00 - 5.00 | |||
Copper | 1.00 - 2.00 | |||
Nitrogen | 0.10 max |
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 | -- |