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20CrMo chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 20CrMo

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GBT 20CrMo

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This page is mainly introduced the 20CrMo chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 20CrMo,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
20CrMo

Steel Garde:20CrMo
Type:Special Alloy
Country:China
Standard:GBT
Application:China structural steel and alloy steel

Relevant products:

1.4120 / X20CrMo...

X20CrMo13 / 1.41...

X20CrMoV12-1(1.492...

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
X20CrMo13	DIN	Germany
X20CrMoWV12-1	DIN	Germany
ISO X20CrMoNiNbV11 1	ISO	ISO
ML20CrMoA	GBT	China
G20CrMo	GBT	China
EN X20CrMoV12-1	EN	Euronorm
EN X20CrMoWV12-1	EN	Euronorm
EN 20CrMoVTiB4-10	EN	Euronorm

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	270～216	σb/MPa
Yield Strength	646	σ 0.2 ≥/MPa
Elongation	43	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	719～045	-
HRC	30	-

Physical Properties

Thermal expansion	90-92	e-6/K
Thermal conductivity	98-11	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4295-0723	째C
Density	3224-2614	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)
20CrMo 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