ASTM A182 / A182M UNS S31651

ASTM A182 UNS S31651 is a forging material specification for 25% Chromium, 20% Nickel 310HG 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 S31651 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 %
F316N S31651 18 chromium, 8 nickel,
modified with molybdenum and
nitrogen 316NG 		Carbon 0.02 max
Manganese 2.00 max
Phosphorus 0.04 max
Sulfur 0.03 max
Silicon 1.00 max
Nickel 23.00 - 28.00
Chromium 19.00 - 23.00
Molybdenum 4.00 - 5.00
Columbium 1.00 - 2.00
Titanium 0.10 max

Mechanical Properties

Property Value
Tensile Strength, min, ksi [MPa] 80 [550]
Yield Strength, min, ksi [MPa] 35 [240]
Elongation in 2 in. [50mm] or 4D, min, % 30E
Reduction or Area, min, % 50F

Products