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

JIS SUS 440C

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This page is mainly introduced the SUS 440C chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS 440C,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Cold finished stainless steel bars

Cross Reference Table(Equivalent Materials):

Material Standard Country
SUS 440C JIS Japan
SUS 440C JIS Japan
SUS 440C JIS Japan

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.95  1.20
Si   1.00
Mn   1.00
P   0.04
S   0.03
Cr 16.00  18.00
Ni   0.60
Mo   0.75
N  

Mechanical Properties

Tensile strength 697~072 σb/MPa
Yield Strength 992 σ 0.2 ≥/MPa
Elongation 36 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 062~071 -
HRC 30 -

Physical Properties

Thermal expansion 97-25 e-6/K
Thermal conductivity 27-17 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0054-8385 째C
Density 9125-0246 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)
SUS 440C 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