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

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GBT 20CrNiMoH

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

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

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	215～315	σb/MPa
Yield Strength	471	σ 0.2 ≥/MPa
Elongation	91	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	255～550	-
HRC	30	-

Physical Properties

Thermal expansion	48-72	e-6/K
Thermal conductivity	94-74	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8248-3684	째C
Density	1743-9554	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)
20CrNiMoH 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