ASTM A182 F12 Class 2
ASTM A182 F12 Class 2 is a forging material specification for F12 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 f12 Class 2 specification.
ASTM A182 specification covers requirements such as chemical composition, mechanical properties, heat treatment and other supplementary requirements for F12 Class 2 alloy steel forgings and forged products.
Chemical Composition
| Grade Symbol | UNS Number | Alloy | Elements | Composition % |
|---|---|---|---|---|
| F12 Class 2 | K11564 | 1% chromium, 0.5% molybdenum | Carbon | 0.10 - 0.20 |
| Manganese | 0.30 - 0.80 | |||
| Phosphorus | 0.040 max | |||
| Sulfur | 0.040 max | |||
| Silicon | 0.10 - 0.60 | |||
| Chromium | 0.80 - 1.25 | |||
| Molybdenum | 0.44 - 0.65 |
Mechanical Properties
| 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 |
Fasteners
-
Bolts -
Screws -
Stud Bolts -
Nuts -
Threaded Rods -
Pins -
Washers -
Components