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SKD12

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SKD11 SKD4
#SKD12

Description

Japan JIS SKD12 Cold Work Die Steel and SKD12 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: SKD12
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy SKD12 JIS Japan Cold Work Die Steel
SKS44
SKS3
SKS31
SKS93
SKS94
SKS95
SKD1
SKD2
SKD10
SKD11

Chemical composition(mass fraction)(wt.%) of the SKD12

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Mo(％) V(%)
0.95-1.05 0.10-0.40 0.40-0.80 Max 0.030 Max 0.030 4.80-5.50 0.90-1.20 0.15-0.35

Mechanical Properties of steel grade SKD12

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)
778 (≥) 532 (≥) 42 21 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 413

Physical Properties of steel grade SKD12

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
42 - -     0.21 -  
722 713 - 31.3 413   -  
284 - 14 24.2   332 343

Heat Treatment of steel grade SKD12

Heat treated : 1695°C - 1946°C

Technological Curves of steel grade SKD12

Cross Reference Table (Equivalent Grade) of SKD12

Grade Standard Country Application
SKD12 JIS Japan Cold Work Die Steel
SKD11 SKD4
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Jiangyou Longhai Special Steel Co.,Ltd.
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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