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SK85

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TC90 SK5
#SK85

Description

Japan JIS SK85 Carbon tool steel and SK85 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: SK85
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy SK85 JIS Japan Carbon tool steel
SK120
SK2
TC120
SK105
SK3
TC105
SK95
SK4
SK90
TC90

Chemical composition(mass fraction)(wt.%) of the SK85

C(％) Si(％) Mn(％) P(％) S(％)
0.80-0.90 0.15-0.35 0.15-0.50 Max 0.030 Max 0.030

Mechanical Properties of steel grade SK85

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)
341 (≥) 812 (≥) 11 11 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 122

Physical Properties of steel grade SK85

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 - -     0.43 -  
811 642 - 24.3 234   -  
183 - 12 42.2   144 332

Heat Treatment of steel grade SK85

Heat treated : 1487°C - 1485°C

Technological Curves of steel grade SK85

Cross Reference Table (Equivalent Grade) of SK85

Grade Standard Country Application
SK85 JIS Japan Carbon tool steel
TC90 SK5
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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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