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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	405～348	σb/MPa
Yield Strength	296	σ 0.2 ≥/MPa
Elongation	47	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	122～450	-
HRC	30	-

Physical Properties

Thermal expansion	93-77	e-6/K
Thermal conductivity	94-53	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6938-7678	째C
Density	7987-6063	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