ASTM A182 F22 Class 3
ASTM A182 F22 Class 3 is a forging material specification for F22 Class 3 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 f22 Class 3 specification.
ASTM A182 specification covers requirements such as chemical composition, mechanical properties, heat treatment and other supplementary requirements for F22 Class 3 alloy steel forgings and forged products.
Chemical Composition
| Grade Symbol | UNS Number | Alloy | Elements | Composition % |
|---|---|---|---|---|
| F22 Class 3 | K21590 | chromium-molybdenum | Carbon | 0.05 - 0.15 |
| Manganese | 0.30 - 0.60 | |||
| Phosphorus | 0.040 | |||
| Sulfur | 0.040 | |||
| Silicon | 0.50 | |||
| Chromium | 2.00 - 2.50 | |||
| Molybdenum | 0.87 - 1.13 |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength, min, ksi [MPa] | 75 [515] |
| Yield Strength, min, ksi [MPa] | 45 [310] |
| Elongation in 2 in. [50mm] or 4D, min, % | 20 |
| Reduction or Area, min, % | 30 |
| Brinell Hardness Number, HBW | 156-207 |
Fasteners
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Bolts -
Screws -
Stud Bolts -
Nuts -
Threaded Rods -
Pins -
Washers -
Components