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G20CrMo chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of G20CrMo

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This page is mainly introduced the G20CrMo chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of G20CrMo,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
G20CrMo

Steel Garde:G20CrMo
Type:Special Alloy
Country:China
Standard:GBT
Application:China structural steel and alloy steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	493～797	σb/MPa
Yield Strength	125	σ 0.2 ≥/MPa
Elongation	23	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	713～472	-
HRC	30	-

Physical Properties

Thermal expansion	20-66	e-6/K
Thermal conductivity	56-47	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	0632-5274	째C
Density	4203-1084	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)
G20CrMo 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