W108 Special

This page provides SAE J 437 (1970), SAE J 438 (1970), W108 Special datasheet, W108 Special mechanical properties, chemical element W108 Special, technical specifications of W108 Special steel material properties. W108 Special performance specifications.

Category Class Grade Standard Country Application
Steel GradesTool Die Steels W108 Special SAE USA Tool and die steels
Datasheet for:Steel Grades:Tool Die Steels:W108 Special

Chemical composition(mass fraction)(wt.%) of the W108 Special

Elements Min.(≥) Max.(≤)
C 0.70 0.85
Si 0.10 0.40
Mn 0.10 0.40
Cr - -
V - -

Mechanical properties / Mechanische Eigenschaften / Caracteristiques mecaniques of grade W108 Special

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
379 (≥) 439 (≥) 41 22 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 321
Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
32 - -     0.21 -  
134 647 - 32.3 311   -  
851 - 43 33.2   141 113
Heat treated : 1198°C - 1118°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
W108 Commerial UNS USA
Water quenching tool steel
W108 Standard SAE USA
Tool and die steels
W108 Extra SAE USA
Tool and die steels
W108 Special SAE USA
Tool and die steels
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
Contact Suppliers with your enquiries for W108 Special any of the shape and size.

Haihong International Trade (HK) CO., Limited

Stainless Steel, Special Steel, Compressor Blading, Turbine Blading, Superalloy Supplier.
SAE J 437 (1970), SAE J 438 (1970), W108 Special 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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