ASTM A182 UNS S31725
ASTM A182 UNS S31725 is a forging material specification for S31725 grade stainless steel and is used for manufacturing bare forgings or forged and machined products for applications involving high temperature service. Boltport Fasteners offers forged bolts, screws, nuts, studs, threaded rods and similar fasteners or bolting parts in astm a182 UNS S31725 specification.
ASTM A182 specification covers requirements such as chemical composition, mechanical properties, heat treatment and other supplementary requirements for S31725 stainless steel forgings and forged products.
Chemical Composition
| Identification Symbol | UNS Number | Grade | Elements | Composition % |
|---|---|---|---|---|
| F47 | S31725 | 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 |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength, min, ksi [MPa] | 75 [525] |
| Yield Strength, min, ksi [MPa] | 30 [205] |
| Elongation in 2 in. [50mm] or 4D, min, % | 40 |
| Reduction or Area, min, % | 50 |
| Brinell Hardness Number, HBW | -- |
Fasteners
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Bolts -
Screws -
Stud Bolts -
Nuts -
Threaded Rods -
Pins -
Washers -
Components