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M33

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T11330 T11333
#M33

Description

USA ASTM M33 Molybdenum series High-speed tool steel and M33 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: M33
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy M33 ASTM USA Molybdenum series High-speed tool steel
T11304
M6
T11306
M7
T11307
M10
T11310
M10 Hight C
M30
T11330

Chemical composition(mass fraction)(wt.%) of the M33

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Mo(％) V(%) W(%) Co(%)
0.85～0.92 0.15～0.50 0.15～0.40 ≤0.030 ≤0.030 3.50～4.00 9.00～10.0 1.00～1.35 1.30～2.10 7.75～8.75

Mechanical Properties of steel grade M33

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)
525 (≥) 959 (≥) 14 12 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 324

Physical Properties of steel grade M33

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 - -     0.34 -  
331 824 - 42.3 214   -  
452 - 14 21.2   114 423

Heat Treatment of steel grade M33

Heat treated : 1473°C - 1685°C

Technological Curves of steel grade M33

Cross Reference Table (Equivalent Grade) of M33

Grade Standard Country Application
M33 ASTM USA Molybdenum series High-speed tool steel
T11330 T11333
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Jiangyou Longhai Special Steel Co.,Ltd.

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