ASTM A182 Grade F44 (S31254)

ASTM A182 Grade F44 Screws, ASTM A182 Grade F44 Bolts, ASTM A182 Grade F44 Threaded Rods, ASTM A182 Grade F44 Studs, ASTM A182 Grade F44 Nuts Supplier in Mumbai, India.

ASTM A182 F44 is a forging material specification for 44-grade stainless steel that is used to make naked forgings or forged and machined products for high-temperature applications. ASTM A182 f44 forged bolts, screws, nuts, studs, threaded rods, and similar fasteners or bolting parts are available from Resistant Metal Alloys.

For 44 stainless steel forgings and forged products, the ASTM A182 specification covers chemical composition, mechanical characteristics, heat treatment, and various supplemental requirements.

Chemical Composition

Identification Symbol UNS Number Grade Elements Composition %
F44 S31254 20 chromium, 18
nickel, 6 molybdenum,
low carbon
Carbon 0.020 max
Manganese 1.00 max
Phosphorus 0.030 max
Sulfur 0.10 max
Silicon 0.80 max
Nickel 17.5 - 18.5
Chromium 19.5 - 20.5
Molybdenum 6.00 - 6.5
Copper 0.50 - 1.00
Nitrogen 0.18 - 0.25

Mechanical Properties

Property Value
Tensile Strength, min, ksi [MPa] 94 [650]
Yield Strength, min, ksi [MPa] 44 [300]
Elongation in 2 in. [50mm] or 4D, min, % 35
Reduction or Area, min, % 50
Brinell Hardness Number, HBW --