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SKS7

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SKS51 SKS81
#SKS7

Description

Japan JIS SKS7 Alloy tool steel - Tool steel and SKS7 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: SKS7
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy SKS7 JIS Japan Alloy tool steel - Tool steel
SK70
TC70
SK65
SK7
SK60
SKS11
SKS2
SKS21
SKS5
SKS51

Chemical composition(mass fraction)(wt.%) of the SKS7

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) V(%) W(%)
1.10-1.20 Max 0.35 Max 0.50 Max 0.030 Max 0.030 0.20-0.50 Max 0.20 2.00-2.50

Mechanical Properties of steel grade SKS7

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)
251 (≥) 449 (≥) 33 44 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical Properties of steel grade SKS7

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
11 - -     0.13 -  
723 321 - 11.3 444   -  
457 - 21 11.2   212 321

Heat Treatment of steel grade SKS7

Heat treated : 1839°C - 1244°C

Technological Curves of steel grade SKS7

Cross Reference Table (Equivalent Grade) of SKS7

Grade Standard Country Application
SKS7 JIS Japan Alloy tool steel - Tool steel
SKS7M JIS Japan Cold rolled special steel strip
SKS51 SKS81
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Jiangyou Longhai Special Steel Co.,Ltd.

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