ASTM A182 F12 Class 1 is a forging material specification for F12 Class 1 grade alloy steel and is used for manufacturing bare forgings or forged and machined products for applications involving high temperature service. Boltport Fasteners offers forged bolts, screws, nuts, studs, threaded rods and similar fasteners or bolting parts in astm a182 f12 Class 1 specification.

ASTM A182 specification covers requirements such as chemical composition, mechanical properties, heat treatment and other supplementary requirements for F12 Class 1 alloy steel forgings and forged products.

Chemical Composition

Grade Symbol UNS Number Alloy Elements Composition %
F12 Class 1 K11562 1% chromium,
0.5% molybdenum
Carbon 0.05 - 0.15
Manganese 0.30 - 0.60
Phosphorus 0.045 max
Sulfur 0.045 max
Silicon 0.50 max
Chromium 0.80 - 1.25
Molybdenum 0.44 - 0.65

Mechanical Properties

PropertyValue
Tensile Strength, min, ksi [MPa] 60 [415]
Yield Strength, min, ksi [MPa] 32 [220]
Elongation in 2 in. [50mm] or 4D, min, % 20
Reduction or Area, min, % 45
Brinell Hardness Number, HBW 121-174

Fasteners

  • AISI 4140 Bolts
    Bolts
  • AISI 4140 Screws
    Screws
  • AISI 4140 Stud Bolts
    Stud Bolts
  • AISI 4140 Nuts
    Nuts
  • AISI 4140 Threaded Rods
    Threaded Rods
  • AISI 4140 Pins
    Pins
  • AISI 4140 Washers
    Washers
  • AISI 4140 Components
    Components