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Description

Japan JIS ST15E Carbide for cutting tools and ST15E Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: ST15E
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy ST15E JIS Japan Carbide for cutting tools
G10E
H1
H1
H2
H2
H3
H3
ST10E
ST10E
ST15E

Chemical composition(mass fraction)(wt.%) of the ST15E

W(%) Other(%)
74.5 TiC+Ta(Nb)C:18,Co+Ni:7.5

Mechanical Properties of steel grade ST15E

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)
412 (≥) 372 (≥) 34 13 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 442

Physical Properties of steel grade ST15E

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 - -     0.24 -  
297 956 - 41.3 433   -  
922 - 42 22.2   234 413

Heat Treatment of steel grade ST15E

Heat treated : 1395°C - 1744°C

Technological Curves of steel grade ST15E

Cross Reference Table (Equivalent Grade) of ST15E

Grade Standard Country Application
ST15E JIS Japan Carbide for cutting tools
ST15E JIS Japan Carbide for cutting tools

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