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40CrMnMo chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 40CrMnMo

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This page is mainly introduced the 40CrMnMo chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 40CrMnMo,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
40CrMnMo

Steel Garde:40CrMnMo
Type:Special Alloy
Country:China
Standard:GBT
Application:China structural steel and alloy steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
40CrMnMo7	DIN	Germany
40CrMnMoS8-6	DIN	Germany
40CrMnMo8	AFNOR	France
40CrMnMo8	AFNOR	France
40CrMnMo7	UNE	Spain

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	391～336	σb/MPa
Yield Strength	901	σ 0.2 ≥/MPa
Elongation	31	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	606～267	-
HRC	30	-

Physical Properties

Thermal expansion	05-78	e-6/K
Thermal conductivity	23-89	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6949-7347	째C
Density	5536-8233	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)
40CrMnMo 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