ASTM A182 / A182M F321H

ASTM A182 F321H is a forging material specification for 321H 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 F321H specification.

ASTM A182 specification covers requirements such as chemical composition, mechanical properties, heat treatment and other supplementary requirements for 321H stainless steel forgings and forged products.

Chemical Composition

Identification Symbol UNS Number Alloy Elements Composition %
F321H S32109 18 chromium, 8 nickel,
modified with titanium
321H
Carbon 0.04 - 0.10
Manganese 2.00 max
Phosphorus 0.045 max
Sulfur 0.030 max
Silicon 1.00 max
Nickel 9.00 - 12.00
Chromium 17.00 - 19.00

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 ...