ASTM A182 / A182M UNS K12822

ASTM A182 UNS K12822 is a forging material specification for carbon molybdenum alloy steel and is used for manufacturing bare forgings or forged and machined products for applications involving high temperature service. Ferrobend offers forged flanges, fittings, valves bodies, fasteners, plates, bars, rings and similar pressure parts in astm a182 grade K12822 specification.

ASTM A182 specification covers requirements such as chemical composition, mechanical properties, heat treatment and other supplementary requirements for 1 stainless steel forgings and forged products.

Chemical Composition

Grade Symbol UNS Number Alloy Elements Composition %
F1 K12822 Carbon - Molybdenum Carbon 0.28 max
Manganese 0.60 - 0.90
Phosphorus 0.045 max
Sulfur 0.045 max
Silicon 0.15 - 0.35
Molybdenum 0.44 – 0.65

Mechanical Properties

Property Value
Tensile Strength, min, ksi [MPa] 71 [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 143–192