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STC7

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STC7 STS11
#STC7

Description

Korea KS STC7 Carbide for cutting tools and STC7 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: STC7
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy STC7 KS Korea Carbide for cutting tools
STC2
STC2
STC3
STC4
STC4
STC5
STC5
STC6
STC6
STC7

Chemical composition(mass fraction)(wt.%) of the STC7

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Cu(%)
0.60-0.70 ≤0.35 ≤0.50 ≤0.030 ≤0.030 ≤0.20 ≤0.25 ≤0.30

Mechanical Properties of steel grade STC7

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)
351 (≥) 815 (≥) 42 33 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 321

Physical Properties of steel grade STC7

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 - -     0.14 -  
299 588 - 31.3 331   -  
241 - 21 43.2   341 112

Heat Treatment of steel grade STC7

Heat treated : 1369°C - 1382°C

Technological Curves of steel grade STC7

Cross Reference Table (Equivalent Grade) of STC7

Grade Standard Country Application
STC7 KS Korea Carbide for cutting tools
STC7 KS Korea Carbide for cutting tools
STC7 STS11
Available Suppliers
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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