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M3 Class1

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M2 hight C T11313
#M3-Class1

Description

USA ASTM M3 Class1 Molybdenum series High-speed tool steel and M3 Class1 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: M3 Class1
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy M3 Class1 ASTM USA Molybdenum series High-speed tool steel
T6
T12006
T12008
T15
T12015
M1
T11301
M2
T11302
M2 hight C

Chemical composition(mass fraction)(wt.%) of the M3 Class1

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Mo(％) V(%) W(%)
1.00～1.10 0.20～0.45 0.15～0.40 ≤0.030 ≤0.030 3.75～4.50 4.75～6.50 2.25～2.75 5.00～6.75

Mechanical Properties of steel grade M3 Class1

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)
137 (≥) 889 (≥) 12 14 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 212

Physical Properties of steel grade M3 Class1

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
31 - -     0.22 -  
947 895 - 23.3 122   -  
932 - 23 33.2   212 434

Heat Treatment of steel grade M3 Class1

Heat treated : 1685°C - 1239°C

Technological Curves of steel grade M3 Class1

Cross Reference Table (Equivalent Grade) of M3 Class1

Grade Standard Country Application
M3 Class1 ASTM USA Molybdenum series High-speed tool steel
M2 hight C T11313
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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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