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G20Cr2Mn2Mo chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of G20Cr2Mn2Mo

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GBT G20Cr2Mn2Mo

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This page is mainly introduced the G20Cr2Mn2Mo chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of G20Cr2Mn2Mo,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
G20Cr2Mn2Mo

Steel Garde:G20Cr2Mn2Mo
Type:Special Alloy
Country:China
Standard:GBT
Application:China structural steel and alloy steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	703～594	σb/MPa
Yield Strength	693	σ 0.2 ≥/MPa
Elongation	87	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	879～450	-
HRC	30	-

Physical Properties

Thermal expansion	68-78	e-6/K
Thermal conductivity	72-62	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4223-1037	째C
Density	5306-4444	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)
G20Cr2Mn2Mo 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