ASTM A182 / A182M UNS S41026

ASTM A182 UNS S41026 is a forging material specification for 13% Chromium, 0.5% 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 UNS S41026 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 %
F6B S41026 13% chromium,
0.5% molybdenum
Carbon 0.15 max
Manganese 1.00 max
Phosphorus 0.020 max
Sulfur 0.020 max
Silicon 1.00 max
Nickel 1.00 - 2.00
Chromium 11.5 - 13.5
Molybdenum 0.40 - 0.60
Copper 0.50 max

Mechanical Properties

Property Value
Tensile Strength, min, ksi [MPa] 110-135 [760-930]
Yield Strength, min, ksi [MPa] 90 [620]
Elongation in 2 in. [50mm] or 4D, min, % 16
Reduction or Area, min, % 45
Brinell Hardness Number, HBW 235-285