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Description

Japan JIS SKD6 Hot-work die steel and SKD6 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: SKD6
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy SKD6 JIS Japan Hot-work die steel
SKS93
SKS94
SKS95
SKD1
SKD2
SKD10
SKD11
SKD12
SKD4
SKD5

Chemical composition(mass fraction)(wt.%) of the SKD6

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Mo(%) V(%)
0.32-0.42 0.80-1.20 Max 0.50 Max 0.030 Max 0.020 4.50-5.50 1.00-1.50 0.30-0.50

Mechanical Properties of steel grade SKD6

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)
554 (≥) 671 (≥) 42 44 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 121

Physical Properties of steel grade SKD6

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
34 - -     0.34 -  
622 784 - 21.3 434   -  
881 - 24 42.2   134 433

Heat Treatment of steel grade SKD6

Heat treated : 1776°C - 1787°C

Technological Curves of steel grade SKD6

Cross Reference Table (Equivalent Grade) of SKD6

Grade Standard Country Application
SKD6 JIS Japan Hot-work die steel
SKD61 JIS Japan Hot-work die steel
SKD62 JIS Japan Hot-work die steel

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