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Description

Japan JIS T12A Carbide for cutting tools and T12A Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: T12A
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy T12A JIS Japan Carbide for cutting tools
ST15E
ST15E
ST20E
ST25E
ST25E
ST30E
ST30E
ST40E
ST40E
T12A

Chemical composition(mass fraction)(wt.%) of the T12A

Mechanical Properties of steel grade T12A

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)
492 (≥) 823 (≥) 11 34 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 313

Physical Properties of steel grade T12A

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 - -     0.41 -  
693 621 - 21.3 124   -  
319 - 32 24.2   112 133

Heat Treatment of steel grade T12A

Heat treated : 1893°C - 1666°C

Technological Curves of steel grade T12A

Cross Reference Table (Equivalent Grade) of T12A

Grade Standard Country Application
T12A JIS Japan Carbide for cutting tools
T12A JIS Japan Carbide for cutting tools

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