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40CrMnMo7 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 40CrMnMo7

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DIN 40CrMnMo7

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This page is mainly introduced the 40CrMnMo7 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 40CrMnMo7,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Heat resistant materials for the extrusion processing of aluminum and aluminum alloys

Steel Garde:40CrMnMo7
Type:Tool Die Steels
Country:Germany
Standard:DIN

Standard Number:

ITEM	Standard Number	Descriptions
1	SE 201 (1992)	Materials for tubes and tools for the extrusion processing of copper and copper alloys
2	SE 202 (1995)	Heat resistant materials for the extrusion processing of aluminum and aluminum alloys

Application:Heat resistant materials for the extrusion processing of aluminum and aluminum alloys

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.35	0.45
Si	0.20	0.40
Mn	1.30	1.60
P		0.035
S		0.035
Cr	1.80	2.10
Mo	0.15	0.25
V

Mechanical Properties

Tensile strength	565～510	σb/MPa
Yield Strength	991	σ 0.2 ≥/MPa
Elongation	28	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	812～718	-
HRC	30	-

Physical Properties

Thermal expansion	84-91	e-6/K
Thermal conductivity	22-15	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4283-7105	째C
Density	0161-5109	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)
40CrMnMo7 Tool Die Steels	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