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Description

Korea KS STS2 Carbide for cutting tools and STS2 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: STS2
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy STS2 KS Korea Carbide for cutting tools
STC4
STC5
STC5
STC6
STC6
STC7
STC7
STS11
STS11
STS2

Chemical composition(mass fraction)(wt.%) of the STS2

C(%) Si(%) Mn(%) Cr(%) V(%) W(%)
1.00-1.10 ≤0.35 ≤0.50 0.50-1.00 <0.20 1.00-1.50

Mechanical Properties of steel grade STS2

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)
976 (≥) 475 (≥) 33 44 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 424

Physical Properties of steel grade STS2

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
24 - -     0.12 -  
358 156 - 33.3 133   -  
756 - 42 43.2   343 333

Heat Treatment of steel grade STS2

Heat treated : 1838°C - 1692°C

Technological Curves of steel grade STS2

Cross Reference Table (Equivalent Grade) of STS2

Grade Standard Country Application
STS2 KS Korea Carbide for cutting tools
STS2 KS Korea Carbide for cutting tools
STS21 KS Korea Carbide for cutting tools
STS21 KS Korea Carbide for cutting tools
STS201 KS Korea KS standard austenite stainless steel bars(KS D3706-1992)
STS 202 KS Korea KS standard austenite stainless steel bars(KS D3706-1992)

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