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

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GBT 20CrMnMoH

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

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

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	751～707	σb/MPa
Yield Strength	505	σ 0.2 ≥/MPa
Elongation	52	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	425～901	-
HRC	30	-

Physical Properties

Thermal expansion	67-72	e-6/K
Thermal conductivity	42-42	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3479-4813	째C
Density	3586-1448	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)
20CrMnMoH 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