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40CrMoV4-6 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 40CrMoV4-6

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ISO 40CrMoV4-6

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This page is mainly introduced the 40CrMoV4-6 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 40CrMoV4-6,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Wrought steels for use at elevated temperatures in engines

Steel Garde:40CrMoV4-6
Type:Stainless Steels
Country:International
Standard:ISO
Standard Number:

ITEM Standard Number Descriptions

1 ISO/TR 4956 Wrought steels for use at elevated temperatures in engines
Metallographic Structure:Bainite
Application:Wrought steels for use at elevated temperatures in engines

ITEM	Standard Number	Descriptions
1	ISO/TR 4956	Wrought steels for use at elevated temperatures in engines

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
40CrMoV4-6	AFNOR	France
1.7711	AFNOR	France

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.36	0.44
Si	0.15	0.35
Mn	0.45	0.85
P		0.030
S		0.030
Cr	0.90	1.20
Mo	0.55	0.75
Ni
V	0.25	0.35

Mechanical Properties

Tensile strength	728～440	σb/MPa
Yield Strength	342	σ 0.2 ≥/MPa
Elongation	64	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	241～547	-
HRC	30	-

Physical Properties

Thermal expansion	51-65	e-6/K
Thermal conductivity	00-89	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3231-5719	째C
Density	4229-2099	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)
40CrMoV4-6 Stainless 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