T8 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of T8

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T8

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This page is mainly introduced the T8 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of T8,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:T8
  • Type:Special Alloy
  • Country:China
  • Application:Carbon tool steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
T8Mn China
GT88 AFNOR France
GT88 AFNOR France
CT85 SS Sweden
CT85 SS Sweden
T8MoNiCrlZ5 STAS/SR Romania

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 527~449 σb/MPa
Yield Strength 896 σ 0.2 ≥/MPa
Elongation 04 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 258~277 -
HRC 30 -

Physical Properties

Thermal expansion 68-64 e-6/K
Thermal conductivity 04-29 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 4548-0573 째C
Density 4280-7985 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)
T8 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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