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

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GBT 20MnMoBH

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

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

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	814～861	σb/MPa
Yield Strength	166	σ 0.2 ≥/MPa
Elongation	00	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	284～637	-
HRC	30	-

Physical Properties

Thermal expansion	80-40	e-6/K
Thermal conductivity	39-15	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6321-5808	째C
Density	9655-5470	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)
20MnMoBH 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