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STD12

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STD12 STD4
#STD12

Description

Korea KS STD12 Carbide for cutting tools and STD12 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: STD12
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy STD12 KS Korea Carbide for cutting tools
STS93
STS94
STS94
STS95
STS95
STD1
STD1
STD11
STD11
STD12

Chemical composition(mass fraction)(wt.%) of the STD12

C(％) Si(％) Mn(％) Cr(％) Ni(％) Mo(％) V(%)
0.95-1.05 ≤0.40 0.60-0.90 4.50-5.50 ＜0.50 0.80-1.20 0.20-0.50

Mechanical Properties of steel grade STD12

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)
477 (≥) 275 (≥) 33 32 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 412

Physical Properties of steel grade STD12

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
13 - -     0.44 -  
711 676 - 41.3 132   -  
589 - 14 44.2   424 133

Heat Treatment of steel grade STD12

Heat treated : 1877°C - 1681°C

Technological Curves of steel grade STD12

Cross Reference Table (Equivalent Grade) of STD12

Grade Standard Country Application
STD12 KS Korea Carbide for cutting tools
STD12 KS Korea Carbide for cutting tools
STD12 STD4
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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