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A40

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#A40

Description

Japan JIS A40 Carbide for cutting tools and A40 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: A40
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy A40 JIS Japan Carbide for cutting tools
E5
Z01
Z01
Z10
Z10
Z20
Z20
Z30
A1
A1

Chemical composition(mass fraction)(wt.%) of the A40

W(%) Other(%)
77.7 TiC+Ta(Nb)C: 7.3,Co+Ni:15

Mechanical Properties of steel grade A40

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)
764 (≥) 225 (≥) 21 23 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 234

Physical Properties of steel grade A40

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
44 - -     0.12 -  
394 631 - 12.3 234   -  
889 - 14 44.2   344 413

Heat Treatment of steel grade A40

Heat treated : 1365°C - 1199°C

Technological Curves of steel grade A40

Cross Reference Table (Equivalent Grade) of A40

Grade Standard Country Application
A40 JIS Japan Carbide for cutting tools
A40 STAS/SR Romania Structural steel
HA400 AS Australia Australia Structural steel
SMA400AW CNS China China Taiwan Structural steel
SMA400BW CNS China China Taiwan Structural steel
SMA400CW CNS China China Taiwan Structural steel
SMA400AP CNS China China Taiwan Structural steel
SMA400BP CNS China China Taiwan Structural steel
SMA400CP CNS China China Taiwan Structural steel
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