70W chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 70W

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CSA 70W

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This page is mainly introduced the 70W chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 70W,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
70W
  • Steel Garde:70W
  • Type:Special Alloy
  • Country:Canada
  • Standard:CSA
  • Application:Canada Engineering and steel structure

Cross Reference Table(Equivalent Materials):

Material Standard Country
C70W1 Germany
C70W2 DIN Germany
70WT CSA Canada
SMA570W CNS China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 932~382 σb/MPa
Yield Strength 388 σ 0.2 ≥/MPa
Elongation 49 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 782~028 -
HRC 30 -

Physical Properties

Thermal expansion 81-68 e-6/K
Thermal conductivity 51-18 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 4670-6999 째C
Density 6040-1680 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)
70W 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

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