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SK65

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TC70 SK7
#SK65

Description

Japan JIS SK65 Carbon tool steel and SK65 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: SK65
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy SK65 JIS Japan Carbon tool steel
SK90
TC90
SK85
SK5
SK80
TC80
SK75
SK6
SK70
TC70

Chemical composition(mass fraction)(wt.%) of the SK65

C(％) Si(％) Mn(％) P(％) S(％)
0.60-0.70 0.15-0.35 0.15-0.50 Max 0.030 Max 0.030

Mechanical Properties of steel grade SK65

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)
133 (≥) 752 (≥) 23 14 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 313

Physical Properties of steel grade SK65

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
21 - -     0.33 -  
838 648 - 13.3 143   -  
466 - 43 21.2   433 344

Heat Treatment of steel grade SK65

Heat treated : 1267°C - 1315°C

Technological Curves of steel grade SK65

Cross Reference Table (Equivalent Grade) of SK65

Grade Standard Country Application
SK65 JIS Japan Carbon tool steel
TC70 SK7
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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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