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SK120

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SK1 SK2
#SK120

Description

Japan JIS SK120 Carbon tool steel and SK120 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: SK120
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy SK120 JIS Japan Carbon tool steel
S6-5-3
1.3344
S2-9-1
1.3346
S2-9-2
1.3348
S18-0-1
1.3355
SK140
SK1

Chemical composition(mass fraction)(wt.%) of the SK120

C(％) Si(％) Mn(％) P(％) S(％)
1.15-1.25 0.15-0.35 0.15-0.50 Max 0.030 Max 0.030

Mechanical Properties of steel grade SK120

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)
164 (≥) 882 (≥) 12 22 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 413

Physical Properties of steel grade SK120

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
31 - -     0.34 -  
153 175 - 33.3 213   -  
476 - 44 41.2   123 344

Heat Treatment of steel grade SK120

Heat treated : 1329°C - 1667°C

Technological Curves of steel grade SK120

Cross Reference Table (Equivalent Grade) of SK120

Grade Standard Country Application
SK120 JIS Japan Carbon tool steel
SK1 SK2
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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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