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 520~164 σb/MPa
Yield Strength 096 σ 0.2 ≥/MPa
Elongation 42 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 926~857 -
HRC 30 -

Physical Properties

Thermal expansion 07-92 e-6/K
Thermal conductivity 86-88 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1001-1467 째C
Density 3243-4729 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