AISI440B chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of AISI440B

AISI AISI440B

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This page is mainly introduced the AISI440B chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of AISI440B,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
S44002

Cross Reference Table(Equivalent Materials):

Material Standard Country
A 276 S44002 SAE USA
A 314 S44002 SAE USA
A 473 S44002 SAE USA
A 580 S44002 SAE USA
S44002 AISI USA

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.75  0.95
Si   1
Mn   1
P   0.04
Cr 16.0  18.0
Mo   0.75

Mechanical Properties

Tensile strength 884~704 σb/MPa
Yield Strength 165 σ 0.2 ≥/MPa
Elongation 83 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 656~949 -
HRC 30 -

Physical Properties

Thermal expansion 46-78 e-6/K
Thermal conductivity 10-17 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2019-1115 째C
Density 3618-0597 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)
AISI440B Stainless Steels 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