ASTM A182 UNS K21001
ASTM A182 UNS K21001 is a forging material specification for K21001 grade alloy 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 K21001 specification.
ASTM A182 specification covers requirements such as chemical composition, mechanical properties, heat treatment and other supplementary requirements for K21001 alloy steel forgings and forged products.
Chemical Composition
| Grade Symbol | UNS Number | Alloy | Elements | Composition % |
|---|---|---|---|---|
| F36 | K21001 | 1.15% nickel, 0.65% copper, molybdenum, and columbium | Carbon | 0.10 - 0.17 |
| Manganese | 0.80 - 1.20 | |||
| Phosphorus | 0.030 max | |||
| Sulfur | 0.025 max | |||
| Silicon | 0.25 - 0.50 | |||
| Nickel | 1.00 - 1.30 | |||
| Chromium | 0.30 max | |||
| Molybdenum | 0.25 - 0.50 | |||
| Columbium | 0.015–0.045 | |||
| Nitrogen | 0.020 max | |||
| Aluminium | 0.050 max | |||
| Copper | 0.50 - 0.80 | |||
| Vanadium | 0.02 max |
Mechanical Properties
| Property | Value | |
|---|---|---|
| Class | 1 | 2 |
| Tensile Strength, min, ksi [MPa] | 90 [620] | 95.5 [660] |
| Yield Strength, min, ksi [MPa] | 64 [440] | 66.5 [460] |
| Elongation in 2 in. [50mm] or 4D, min, % | 15 | 15 |
| Reduction or Area, min, % | -- | -- |
| Brinell Hardness Number, HBW | 252 max | 252 max |
Fasteners
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Bolts -
Screws -
Stud Bolts -
Nuts -
Threaded Rods -
Pins -
Washers -
Components