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

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CSA 70AT

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

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 676~219 σb/MPa
Yield Strength 667 σ 0.2 ≥/MPa
Elongation 96 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 520~308 -
HRC 30 -

Physical Properties

Thermal expansion 34-39 e-6/K
Thermal conductivity 02-95 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2046-2676 째C
Density 3549-0250 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)
70AT 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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