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SKT3

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SKD8 SKT4
#SKT3

Description

Japan JIS SKT3 Hot-work die steel and SKT3 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: SKT3
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy SKT3 JIS Japan Hot-work die steel
SKD10
SKD11
SKD12
SKD4
SKD5
SKD6
SKD61
SKD62
SKD7
SKD8

Chemical composition(mass fraction)(wt.%) of the SKT3

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Mo(％)
0.50-0.60 Max 0.35 Max 0.60 Max 0.030 Max 0.020 0.90-1.20 0.30-0.50

Mechanical Properties of steel grade SKT3

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)
771 (≥) 281 (≥) 41 22 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 243

Physical Properties of steel grade SKT3

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
14 - -     0.33 -  
519 481 - 22.3 423   -  
874 - 24 13.2   443 424

Heat Treatment of steel grade SKT3

Heat treated : 1695°C - 1576°C

Technological Curves of steel grade SKT3

Cross Reference Table (Equivalent Grade) of SKT3

Grade Standard Country Application
SKT3 JIS Japan Hot-work die steel
SKD8 SKT4
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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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