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ST40E

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ST40E T12A
#ST40E

Description

Japan JIS ST40E Carbide for cutting tools and ST40E Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: ST40E
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy ST40E JIS Japan Carbide for cutting tools
ST10E
ST10E
ST15E
ST15E
ST20E
ST25E
ST25E
ST30E
ST30E
ST40E

Chemical composition(mass fraction)(wt.%) of the ST40E

W(%) Other(%)
77 TiC+Ta(Nb)C:11.5,Co+Ni:11.5

Mechanical Properties of steel grade ST40E

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)
437 (≥) 238 (≥) 34 33 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 314

Physical Properties of steel grade ST40E

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
12 - -     0.41 -  
836 678 - 22.3 411   -  
823 - 11 41.2   234 134

Heat Treatment of steel grade ST40E

Heat treated : 1549°C - 1275°C

Technological Curves of steel grade ST40E

Cross Reference Table (Equivalent Grade) of ST40E

Grade Standard Country Application
ST40E JIS Japan Carbide for cutting tools
ST40E JIS Japan Carbide for cutting tools
ST40E T12A
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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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