GCr4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of GCr4

Location » Home » Grades > Special Alloy > GCr4

GBT GCr4

Profile

This page is mainly introduced the GCr4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of GCr4,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
GCr4
  • Steel Garde:GCr4
  • Type:Special Alloy
  • Country:China
  • Standard:GBT
  • Application:China structural steel and alloy steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 693~816 σb/MPa
Yield Strength 682 σ 0.2 ≥/MPa
Elongation 57 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 442~259 -
HRC 30 -

Physical Properties

Thermal expansion 30-07 e-6/K
Thermal conductivity 85-55 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8126-6655 째C
Density 2407-3258 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)
GCr4 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

Hot keywords:GCr4
Previous: 30W4Cr2VA
Next: GCr15