T7 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of T7

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T7

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This page is mainly introduced the T7 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of T7,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

The performance characteristics of carbon steel and use

  • Steel Garde:T7
  • Type:Special Alloy
  • Country:China
  • Application:Carbon tool steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 594~901 σb/MPa
Yield Strength 661 σ 0.2 ≥/MPa
Elongation 38 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 346~345 -
HRC 30 -

Physical Properties

Thermal expansion 62-09 e-6/K
Thermal conductivity 70-94 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7241-3180 째C
Density 9193-6975 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)
T7 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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