40CrMoV4-6 Stainless Steels to NF EN 10269

40CrMoV4-6 - Specification & Application

  • NF EN 10269 - Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties

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

Chemical composition(wt.%) of 40CrMoV4-6 grade: to NF EN 10269

Elements Min.(≥) Max.(≤) Similar Remarks
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

40CrMoV4-6 - Detail

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

Mechanical properties of grade 40CrMoV4-6 NF EN 10269

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 Condition Brinell hardness (HBW)
373 (≥) 472 (≥) 11 14 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 432

Physical properties of grade 40CrMoV4-6 NF EN 10269

Property Density
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
227 (≥) 757 (≥) 34 41 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 432
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
418 427 452

Equivalent Products

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