ASTM A182 UNS K31835

ASTM A182 UNS K31835 is a forging material specification for K31835 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 UNS K31835 specification.

ASTM A182 specification covers requirements such as chemical composition, mechanical properties, heat treatment and other supplementary requirements for K31835 alloy steel forgings and forged products.

Chemical Composition

Grade Symbol UNS Number Alloy Elements Composition %
F22V K31835 2.25% chromium,
1% molybdenum,
0.25% vanadium		 Carbon 0.11 – 0.15
Manganese 0.30 – 0.60
Phosphorus 0.015
Sulfur 0.010
Silicon 0.10
Nickel 0.25
Chromium 2.00 – 2.50
Molybdenum 0.90 – 1.10
Columbium 0.07
Titanium 0.030
Copper 0.20
Vanadium 0.25 – 0.35
Boron 0.002
Calcium 0.015

Mechanical Properties

Property Value
Tensile Strength, min, ksi [MPa] 85-110 [585-780]
Yield Strength, min, ksi [MPa] 60 [415]
Elongation in 2 in. [50mm] or 4D, min, % 18
Reduction or Area, min, % 45
Brinell Hardness Number, HBW 174-237

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