AISI 440B chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of AISI 440B

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AISI AISI 440B

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This page is mainly introduced the AISI 440B chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of AISI 440B,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
AISI 440B
  • Steel Garde:AISI 440B
  • Type:Special Alloy
  • Country:USA
  • Standard:AISI
  • Application:Martensitic special steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 253~862 σb/MPa
Yield Strength 946 σ 0.2 ≥/MPa
Elongation 82 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 540~563 -
HRC 30 -

Physical Properties

Thermal expansion 15-16 e-6/K
Thermal conductivity 31-92 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 4833-0414 째C
Density 6185-2724 kg/m3
Resistivity 0.50-0.60 Ohm.mm2/m
     

Heat Treatment Regime

Annealing

Quenching

Tempering

Normalizing

Q & T

Size Availability

Steel Grade Specification Processing range(mm)
AISI 440B Special Alloy Round Bar and Hollow Bar Φ1 to Φ2000
Square and Flat Steel Φ10 to Φ100
Plate and Sheet 0.08-800(Thickness)*10-1500(Width)*Length
Tube or Pipe OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
Coil and Strip Steel THK:0.1mm Width:1500mm
Forged Ring/Cylindrical/Disk

Technical specification/standard for download