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.
AISI440B

Cross Reference Table(Equivalent Materials):

Material Standard Country
A 276 S44003 SAE USA
A 314 S44003 SAE USA
A 473 S44003 SAE USA
A 580 S44003 SAE USA
S44003 AISI USA
SUS 440B JIS Japan
STS440B KS Korea
440B CNS China
ASTM440B ASTM USA

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.75  0.95
Si   1.00
Mn   1.00
P   0.04
S   0.03
Cr 16.00  18.00
Mo   0.75

Mechanical Properties

Tensile strength 758~591 σb/MPa
Yield Strength 239 σ 0.2 ≥/MPa
Elongation 65 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 287~338 -
HRC 30 -

Physical Properties

Thermal expansion 99-32 e-6/K
Thermal conductivity 25-73 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2089-9227 째C
Density 5014-1023 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