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

Location » Home » Grades > Special Alloy > AISI 440B

AISI AISI 440B

Profile

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 257~280 σb/MPa
Yield Strength 960 σ 0.2 ≥/MPa
Elongation 32 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 893~327 -
HRC 30 -

Physical Properties

Thermal expansion 57-65 e-6/K
Thermal conductivity 20-10 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 5854-6877 째C
Density 2862-2551 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