ASTM A182 / A182M UNS K30736

ASTM A182 UNS k30736 is a forging material specification for 20% Nickel, 8% Chromium 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 K30736 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 %
F24 K30736

2.25% chromium, 1% molybdenum,

0.25% vanadium plus titanium and boron

Carbon 0.05 - 0.10
Manganese 0.30 - 0.70
Phosphorus 0.020 max
Sulfur 0.010 max
Silicon 0.15 - 0.45
Chromium 2.20 - 2.60
Molybdenum 0.90 - 1.10
Titanium 0.06 - 0.10
Nitrogen 0.12 max
Vanadium 0.20 - 0.30
Aluminium 0.020 max
Boron 0.0015 - 0.0070

Mechanical Properties

Property Value
Tensile Strength, min, ksi [MPa] 85 [585]
Yield Strength, min, ksi [MPa] 60 [415]
Elongation in 2 in. [50mm] or 4D, min, % 20
Reduction or Area, min, % 40
Brinell Hardness Number, HBW 248 max