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W108 Extra

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W310 Standard W109 Extra
#W108

Description

USA SAE SAE J 437 (1970), SAE J 438 (1970), W108 Extra Tool Die Steels Tool and die steels and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

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

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

C Si Mn Cr V
0.70 -0.85 0.10 -0.40 0.10 -0.40 ≤ ≥ ≤ ≥

Mechanical Properties of steel grade W108 Extra

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)
545 (≥) 444 (≥) 31 44 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 142

Physical Properties of steel grade W108 Extra

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
22 - -     0.42 -  
358 412 - 42.3 143   -  
769 - 44 32.2   234 132

Heat Treatment of steel grade W108 Extra

Heat treated : 1441°C - 1854°C

Technological Curves of steel grade W108 Extra

Cross Reference Table (Equivalent Grade) of W108 Extra

Grade Standard Country Application
AISI W108 Commercial
SAE W108 Commercial
ASTM W108 Standard
ASTM W108 Extra
ASTM W108 Special

Relevant standard of W108 Extra

SAE J 437 (1970) Selection and heat treatment of tool and die steels SAE-J-437-(1970).pdf
SAE J 438 (1970) Tool and die steels SAE-J-438-(1970).pdf
W310 Standard W109 Extra
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Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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