ASTM A182 / A182M F304LN

ASTM A182 F304LN is a forging material specification for F304LN grade stainless 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 grade F304LN specification.

ASTM A182 specification covers requirements such as chemical composition, mechanical properties, heat treatment and other supplementary requirements for 304LN stainless steel forgings and forged products.

Chemical Composition

Grade Symbol UNS Number Alloy Elements Composition %
F304LN S30453 18 chromium, 8 nickel,
modified with nitrogen 304LNG
Carbon 0.030 max
Manganese 2.00 max
Phosphorus 0.045 max
Sulfur 0.030 max
Silicon 1.00 max
Nickel 8.0 - 10.5
Chromium 18.0 - 20.0
Nitrogen 0.10 - 0.16

Mechanical Properties

Property Value
Tensile Strength, min, ksi [MPa] 75 [515]
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 --