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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	680～582	σb/MPa
Yield Strength	691	σ 0.2 ≥/MPa
Elongation	07	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	364～633	-
HRC	30	-

Physical Properties

Thermal expansion	52-71	e-6/K
Thermal conductivity	29-30	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1938-6120	째C
Density	5774-9691	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