7Cr17 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 7Cr17

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GBT 7Cr17

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This page is mainly introduced the 7Cr17 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 7Cr17,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
7Cr17
  • Steel Garde:7Cr17
  • Type:Special Alloy
  • Country:China
  • Standard:GBT
  • Application:Martensitic Steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
07Cr17Ni12Mo2 GBT China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 652~535 σb/MPa
Yield Strength 818 σ 0.2 ≥/MPa
Elongation 02 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 430~467 -
HRC 30 -

Physical Properties

Thermal expansion 33-10 e-6/K
Thermal conductivity 88-19 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 5700-3396 째C
Density 4297-5660 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)
7Cr17 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