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ISO 40CrMoV4 6Application:High temperature bainite and martensite steel ISO standard internal combustion engine
CategoryTypeSteel gradeStandardCountry
Grades Special Alloy ISO 40CrMoV4 6ISOISO

Chemical composition%of the ladle analysis of gradeISO 40CrMoV4 6

C(%)Si(%)Mn(%)P(%)S(%)Cr(%)Mo(%)V(%)
0.36-0.440.15-0.350.45-0.85Max 0.03Max 0.030.90-1.200.55-0.750.25-0.35
High temperature bainite and martensite steel ISO standard internal combustion engine
Mechanical properties of gradeISO 40CrMoV4 6
Proof strength
Rp0.2(MPa)
Tensile strength
Rm(MPa)
Impact energy
KV(J)
Elongation at fracture
A(%)
Reduction in cross section on fracture
Z(%)
As-Heat-Treated ConditionBrinell hardness(HBW)
244(≥)136(≥)443114Solution and Aging,Annealing,Ausaging,Q+T,etc133
Physical properties of gradeISO 40CrMoV4 6
PropertyDensity
kg/dm3
Temperature T
°C/F
Specific heat
J/kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
853(≥)651(≥)141324Solution and Aging,Annealing,Ausaging,Q+T,etc221
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0)N/mm2
Creep rupture strength
(10000h)
(Rp1,0)N/mm2
471364849
ISO 40CrMoV4 6Range of products
Product typeProductsDimensionProcessesDeliver Status
Plates/SheetsPlates/Sheets0.08-200mm(T)*W*LForging,hot rolling and cold rollingAnnealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting
Steel BarRound Bar,Flat Bar,Square BarΦ8-1200mm*LForging,hot rolling and cold rolling,CastBlack,Rough Turning,Shot Blasting,
Coil/StripSteel Coil/Steel Strip0.03-16.0x1200mmCold-Rolled&Hot-RolledAnnealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting
Pipes/TubesSeamless Pipes/Tubes,Welded Pipes/TubesOD:6-219mm x WT:0.5-20.0mmHot extrusion,Cold Drawn,WeldedAnnealed,Solution and Aging,Q+T,ACID-WASHED
Cross Reference Table(Equivalent Grade)
GradeStandardCountryApplication
40CrMoV4-6ISOISO
Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
1.7711ISOISO
Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
40CrMoV4-6ISOISO
Wrought steels for use at elevated temperatures in engines

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