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M34

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SS440 T11334
#M34

Description

USA ASTM M34 Molybdenum series High-speed tool steel and M34 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: M34
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy M34 ASTM USA Molybdenum series High-speed tool steel
M7
T11307
M10
T11310
M10 Hight C
M30
T11330
M33
T11333
SS440

Chemical composition(mass fraction)(wt.%) of the M34

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Mo(％) V(%) W(%) Co(%)
0.85-0.92 0.20-0.45 0.15-0.40 ≤0.030 ≤0.030 3.50-4.00 7.75-9.20 1.90-2.30 1.40-2.10 7.75-8.75

Mechanical Properties of steel grade M34

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)
191 (≥) 497 (≥) 34 43 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical Properties of steel grade M34

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
23 - -     0.14 -  
863 472 - 12.3 432   -  
158 - 12 23.2   313 222

Heat Treatment of steel grade M34

Heat treated : 1851°C - 1642°C

Technological Curves of steel grade M34

Cross Reference Table (Equivalent Grade) of M34

Grade Standard Country Application
M34 ASTM USA Molybdenum series High-speed tool steel
BM34① UK Carbide for cutting tools
BM34① UK Carbide for cutting tools
SS440 T11334
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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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