45Cr chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 45Cr

Location » Home » Grades > Special Alloy > 45Cr

GBT 45Cr

Profile

This page is mainly introduced the 45Cr chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 45Cr,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
45Cr
  • Steel Garde:45Cr
  • Type:Special Alloy
  • Country:China
  • Standard:GBT
  • Application:China structural steel and alloy steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 273~885 σb/MPa
Yield Strength 882 σ 0.2 ≥/MPa
Elongation 01 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 486~465 -
HRC 30 -

Physical Properties

Thermal expansion 62-47 e-6/K
Thermal conductivity 75-41 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1596-5808 째C
Density 8004-3334 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)
45Cr 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:45Cr
Previous: 40Cr
Next: 50Cr