This page provides SAE J 437 (1970), SAE J 438 (1970), W6 datasheet, W6 mechanical properties, chemical element W6, technical specifications of W6 steel material properties. W6 performance specifications.

Category Class Grade Standard Country Application
Steel GradesTool Die Steels W6 SAE USA Tool and die steels
Datasheet for:Steel Grades:Tool Die Steels:W6

Chemical composition(mass fraction)(wt.%) of the W6

Elements Min.(≥) Max.(≤)
C 0.95 1.10
Si 0.10 0.40
Mn 0.10 0.40
Cr 0.15 0.30
V 0.15 0.35

Mechanical properties / Mechanische Eigenschaften / Caracteristiques mecaniques of grade W6

Rp0.2 (MPa)
Rm (MPa)
KV/Ku (J)
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
779 (≥) 983 (≥) 31 33 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 411
Modulus of elasticity
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
Specific thermal capacity
Specific electrical resistivity
(Ω mm²/m)
Poisson’s coefficient, ν
31 - -     0.31 -  
413 927 - 23.3 441   -  
733 - 22 21.2   122 143
Heat treated : 1699°C - 1138°C
The material does not have direct Metallography properties.
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
Tool and die steels
75CrMoNiW6-7 DIN Germany
Alloyed CrMoNiW steel
Relevant standard
Standard No. Description Download
SAE J 437 (1970) Selection and heat treatment of tool and die steels
SAE J 438 (1970) Tool and die steels
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SAE J 437 (1970), SAE J 438 (1970), W6 can be supplied as steel plate/ sheet, round steel bar, steel tube/pipe, steel stripe, steel billet, steel ingot, steel wire rods. electroslag, forged ring/ block,etc.
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