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40CrMnMoS8-6 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 40CrMnMoS8-6

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DIN 40CrMnMoS8-6

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This page is mainly introduced the 40CrMnMoS8-6 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 40CrMnMoS8-6,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Tool Steels; Technical Conditions of Delivery

Steel Garde:40CrMnMoS8-6
Type:Tool Die Steels
Country:Germany
Standard:DIN
Standard Number:

ITEM Standard Number Descriptions

1 DIN 17350 (1980) Tool Steels; Technical Conditions of Delivery
Application:Tool Steels; Technical Conditions of Delivery

ITEM	Standard Number	Descriptions
1	DIN 17350 (1980)	Tool Steels; Technical Conditions of Delivery

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
1.2311,40CrMnMoS8-6,1.2312,P20,40CMD8	DIN	Germany

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.35	0.45
Si	0.30	0.50
Mn	1.40	1.60
P		0.030
S	0.05	0.10
Cr	1.80	2.00
Mo	0.15	0.25
V

Mechanical Properties

Tensile strength	822～655	σb/MPa
Yield Strength	633	σ 0.2 ≥/MPa
Elongation	53	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	188～663	-
HRC	30	-

Physical Properties

Thermal expansion	68-73	e-6/K
Thermal conductivity	25-79	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	2262-0362	째C
Density	3759-2126	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)
40CrMnMoS8-6 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