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 645~837 σb/MPa
Yield Strength 103 σ 0.2 ≥/MPa
Elongation 37 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 593~962 -
HRC 30 -

Physical Properties

Thermal expansion 54-72 e-6/K
Thermal conductivity 66-11 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1106-3476 째C
Density 4392-6436 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