STD1

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STD1

Korea KS STD1 Carbide for cutting tools and STD1 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Category Type Steel Grade Standard Country Application
Steel Grades Tool Steel And Hard Alloy STD1 KS Korea Carbide for cutting tools
STS3
STS3
STS31
STS31
STS93
STS94
STS94
STS95
STS95
STD1


Chemical composition(mass fraction)(wt.%) of the STD1

C(％) Si(％) Mn(％) Cr(％) Ni(％) V(%)
1.80-2.40 ≤0.40 ≤0.60 12.00-15.00 ＜0.50 ≤0.30



Mechanical Properties of steel grade STD1

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)
981 (≥) 329 (≥) 31 12 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 342

Physical Properties of steel grade STD1

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 – –     0.24 –  
466 462 – 11.3 432   –  
265 – 24 12.2   242 331

Heat Treatment of steel grade STD1

Heat treated : 1872°C – 1425°C

Technological Curves of steel grade STD1

Cross Reference Table (Equivalent Grade) of STD1

Grade Standard Country Application
STD1 KS Korea Carbide for cutting tools
STD1 KS Korea Carbide for cutting tools
STD11 KS Korea Carbide for cutting tools
STD11 KS Korea Carbide for cutting tools
STD12 KS Korea Carbide for cutting tools
STD12 KS Korea Carbide for cutting tools