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M43

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T11342 T11343
#M43

Description

USA ASTM M43 Molybdenum series High-speed tool steel and M43 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: M43
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy M43 ASTM USA Molybdenum series High-speed tool steel
T11333
SS440
M34
T11334
M36
T11336
M41
T11341
M42
T11342

Chemical composition(mass fraction)(wt.%) of the M43

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Mo(％) V(%) W(%) Co(%)
1.15-1.25 0.15-0.65 0.20-0.40 ≤0.030 ≤0.030 3.50-4.25 7.50-8.50 1.50-1.75 2.25-3.00 7.75-8.75

Mechanical Properties of steel grade M43

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)
825 (≥) 659 (≥) 44 32 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 434

Physical Properties of steel grade M43

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 -  
677 239 - 41.3 422   -  
738 - 42 14.2   132 141

Heat Treatment of steel grade M43

Heat treated : 1539°C - 1131°C

Technological Curves of steel grade M43

Cross Reference Table (Equivalent Grade) of M43

Grade Standard Country Application
M43 ASTM USA Molybdenum series High-speed tool steel
SCM435H CNS China China Taiwan Structural steel
SUM43 CNS China China Taiwan Structural steel
SNCM431 CNS China China Taiwan Structural steel
SNCM439 CNS China China Taiwan Structural steel
SCM430 CNS China China Taiwan Structural steel
SCM432 CNS China China Taiwan Structural steel
SCM435 CNS China China Taiwan Structural steel
T11342 T11343
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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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