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M50

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M62 T11350
#M50

Description

USA ASTM M50 The middle of high-speed tool steel and M50 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: M50
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy M50 ASTM USA The middle of high-speed tool steel
M43
T11343
M44
T11344
M46
T11346
M47
T11347
M48
M62

Chemical composition(mass fraction)(wt.%) of the M50

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Mo(％) V(%)
0.78-0.88 0.20-0.60 0.15-0.45 MAX 0.030 MAX 0.030 3.75-4.50 3.90-4.75 0.80-1.25

Mechanical Properties of steel grade M50

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)
442 (≥) 199 (≥) 22 21 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 444

Physical Properties of steel grade M50

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
21 - -     0.11 -  
522 592 - 21.3 334   -  
358 - 34 31.2   132 441

Heat Treatment of steel grade M50

Heat treated : 1534°C - 1476°C

Technological Curves of steel grade M50

Cross Reference Table (Equivalent Grade) of M50

Grade Standard Country Application
M50 ASTM USA The middle of high-speed tool steel
M62 T11350
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