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40CrMnMo8 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 40CrMnMo8

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AFNOR 40CrMnMo8

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This page is mainly introduced the 40CrMnMo8 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 40CrMnMo8,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Steel Garde:40CrMnMo8
Type:Special Alloy
Country:France
Standard:AFNOR
Application:Carbide for cutting tools

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
40CrMnMo8	AFNOR	France

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	726～878	σb/MPa
Yield Strength	700	σ 0.2 ≥/MPa
Elongation	59	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	653～607	-
HRC	30	-

Physical Properties

Thermal expansion	11-37	e-6/K
Thermal conductivity	17-38	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8116-1110	째C
Density	6736-6952	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)
40CrMnMo8 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