ASTM A182 F11 Class 2 is a forging material specification for F11 Class 2 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 f11 Class 2 specification.
ASTM A182 specification covers requirements such as chemical composition, mechanical properties, heat treatment and other supplementary requirements for F11 Class 2 alloy steel forgings and forged products.
Grade Symbol | UNS Number | Alloy | Elements | Composition % |
---|---|---|---|---|
F11 Class 2 | K11572 | 1.25% chromium, 0.5% molybdenum |
Carbon | 0.10 - 0.20 |
Manganese | 0.30 - 0.80 | |||
Phosphorus | 0.040 max | |||
Sulfur | 0.040 max | |||
Silicon | 0.50 - 1.00 | |||
Chromium | 1.00 - 1.50 | |||
Molybdenum | 0.44 - 0.65 |
Property | Value |
---|---|
Tensile Strength, min, ksi [MPa] | 70 [485] |
Yield Strength, min, ksi [MPa] | 40 [275] |
Elongation in 2 in. [50mm] or 4D, min, % | 20 |
Reduction or Area, min, % | 30 |
Brinell Hardness Number, HBW | 143-207 |