ASTM A182 / A182M UNS S34800

ASTM A182 UNS S34800 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 S34800 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 %
F348 S34800 18 chromium, 8 nickel
modified with
columbium
348 		Carbon 0.08 max
Manganese 2.00 max
Phosphorus 0.045 max
Sulfur 0.030 max
Silicon 1.00 max
Nickel 9.00 - 13.00
Chromium 17.00 - 20.00
Cobalt 0.20 max
tantalum 0.10 max

Mechanical Properties

Property Value
Tensile Strength, min, ksi [MPa] 75 [515]C
Yield Strength, min, ksi [MPa] 30 [205]
Elongation in 2 in. [50mm] or 4D, min, % 30
Reduction or Area, min, % 50
Brinell Hardness Number, HBW --

Products