ASTM A182 Grade F51/S31803

ASTM A182 Grade F51 Threaded Rods, ASTM A182 Grade F51 Bolts, ASTM A182 Grade F51 Studs, ASTM A182 Grade F51 Screws, ASTM A182 Grade F51 Nuts Supplier in Mumbai, India.

ASTM A182 F51 is a forging material specification for 51-grade stainless steel that is used to make naked forgings or forged and machined products for high-temperature applications. Astm a182 f51 forged bolts, screws, nuts, studs, threaded rods, and similar fasteners or bolting parts are available from Resistant Metal Alloys.

For 51 stainless steel forgings and forged products, the ASTM A182 specification covers chemical composition, mechanical characteristics, heat treatment, and various extra requirements.

Chemical Composition

Identification Symbol UNS Number Grade Elements Composition %
F51 S31803 22 chromium, 5.5
nickel, modified with
nitrogen
Carbon 0.030 max
Manganese 2.00 max
Phosphorus 0.030 max
Sulfur 0.020 max
Silicon 1.00 max
Nickel 4.5 - 6.5
Chromium 21.00 - 23.00
Molybdenum 2.5 - 3.5
Nitrogen 0.08 - 0.20

Mechanical Properties

Property Value
Tensile Strength, min, ksi [MPa] 90 [620]
Yield Strength, min, ksi [MPa] 65 [450]
Elongation in 2 in. [51mm] or 4D, min, % 25
Reduction or Area, min, % 45
Brinell Hardness Number, HBW --