ASTM A182 / A182M UNS S31254

ASTM A182 UNS S31254 is a forging material specification for 13% Chromium (410) 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 UNS S31254 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

Identification Symbol UNS Number Alloy Elements Composition %
F44 S31254 20 chromium, 18
nickel, 6 molybdenum,
low carbon
Carbon 0.020 max
Manganese 1.00 max
Phosphorus 0.030 max
Sulfur 0.10 max
Silicon 0.80 max
Nickel 17.5 - 18.5
Chromium 19.5 - 20.5
Molybdenum 6.00 - 6.5
Copper 0.50 - 1.00
Nitrogen 0.18 - 0.25

Mechanical Properties

Property Value
Tensile Strength, min, ksi [MPa] 94 [650]
Yield Strength, min, ksi [MPa] 44 [300]
Elongation in 2 in. [50mm] or 4D, min, % 35
Reduction or Area, min, % 50
Brinell Hardness Number, HBW --