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

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

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

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
20CrNiMoH	GBT	China
G20CrNiMo	GBT	China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	217～469	σb/MPa
Yield Strength	404	σ 0.2 ≥/MPa
Elongation	96	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	686～498	-
HRC	30	-

Physical Properties

Thermal expansion	46-93	e-6/K
Thermal conductivity	65-05	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	0134-3512	째C
Density	4503-3664	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)
20CrNiMo 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