ASTM A182 F22 CLASS 3

ASTM A182 F22 CLASS 3 is a forging material specification for F22 CLASS 3 grade stainless 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 F22 CLASS 3 specification.

ASTM A182 specification covers requirements such as chemical composition, mechanical properties, heat treatment and other supplementary requirements for 22 CLASS 3 stainless 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