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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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AFNOR 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.
Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties

Steel Garde:40CrMoV4-6
Type:Stainless Steels
Country:France
Standard:AFNOR
Standard Number:

ITEM Standard Number Descriptions

1 NF EN 10269 Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
Application:Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties

ITEM	Standard Number	Descriptions
1	NF EN 10269	Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties

Cross Reference Table(Equivalent Materials):

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

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.36	0.44
Si		0.40
Mn	0.45	0.85
P		0.030
S		0.030
Cr	0.90	1.20
Ni
Mo	0.50	0.65
Al		0.015
V	0.20	0.35

Mechanical Properties

Tensile strength	680～819	σb/MPa
Yield Strength	768	σ 0.2 ≥/MPa
Elongation	63	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	116～008	-
HRC	30	-

Physical Properties

Thermal expansion	41-68	e-6/K
Thermal conductivity	57-34	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5837-3516	째C
Density	2490-0198	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