ASTM A182 F911 is a forging material specification for F911 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 f911 specification.

ASTM A182 specification covers requirements such as chemical composition, mechanical properties, heat treatment and other supplementary requirements for F911 alloy steel forgings and forged products.

Chemical Composition

Grade Symbol UNS Number Alloy Elements Composition %
F911 K91061 9% chromium, 1% molybdenum,
0.2% vanadium plus columbium and nitrogen
Carbon 0.09 - 0.13
Manganese 0.30 - 0.60
Phosphorus 0.020 max
Sulfur 0.010 max
Silicon 0.10 - 0.50
Nickel 0.40 max
Chromium 8.5 - 9.5
Molybdenum 0.90 - 1.10
Columbium 0.060 - 0.10
Tungsten 0.90 - 1.10
Aluminium 0.02 max
Nitrogen 0.04 - 0.09
Vanadium 0.18–0.25
Boron 0.0003 - 0.006
Titanium 0.01 max
Zirconium 0.01 max

Mechanical Properties

PropertyValue
Tensile Strength, min, ksi [MPa] 90 [620]
Yield Strength, min, ksi [MPa] 64 [440]
Elongation in 2 in. [50mm] or 4D, min, % 18
Reduction or Area, min, % 40
Brinell Hardness Number, HBW 187-248

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