ASTM A182 / A182M UNS S31266

ASTM A182 UNS S31266 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 S31266 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 %
F58 S31266 24 chromium, 20
nickel, 6 molybdenum,
2 tungsten with
nitrogen 		Carbon 0.030 max
Manganese 2.00 - 4.00
Phosphorus 0.035 max
Sulfur 0.020 max
Silicon 1.00 max
Nickel 21.00 - 24.00
Chromium 23.00 - 25.00
Molybdenum 5.2 - 6.2
Copper 1.00 - 2.50
Tungsten 1.50 - 2.50
Nitrogen 0.35 - 0.60

Mechanical Properties

Property Value
Tensile Strength, min, ksi [MPa] 109 [750]
Yield Strength, min, ksi [MPa] 61 [420]
Elongation in 2 in. [50mm] or 4D, min, % 35
Reduction or Area, min, % 50
Brinell Hardness Number, HBW --

Products