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M6

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T11304 T11306
#M6

Description

USA ASTM M6 Molybdenum series High-speed tool steel and M6 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: M6
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy M6 ASTM USA Molybdenum series High-speed tool steel
T11301
M2
T11302
M2 hight C
M3 Class1
T11313
M3 Class2
T11323
M4
T11304

Chemical composition(mass fraction)(wt.%) of the M6

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Mo(％) V(%) W(%) Co(%)
0.75～0.85 0.20～0.45 0.15～0.40 ≤0.030 ≤0.030 3.75～4.50 4.50～5.50 1.30～1.70 3.75～4.75 11.0～13.0

Mechanical Properties of steel grade M6

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)
125 (≥) 685 (≥) 34 24 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 332

Physical Properties of steel grade M6

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
13 - -     0.11 -  
685 338 - 13.3 313   -  
874 - 44 33.2   434 113

Heat Treatment of steel grade M6

Heat treated : 1222°C - 1418°C

Technological Curves of steel grade M6

Cross Reference Table (Equivalent Grade) of M6

Grade Standard Country Application
M6 ASTM USA Molybdenum series High-speed tool steel
M62 ASTM USA Molybdenum series High-speed tool steel
M61 AISI USA Powder metallurgy high-speed tool steel
SNCM616 CNS China China Taiwan Structural steel
SNCM625 CNS China China Taiwan Structural steel
SNCM630 CNS China China Taiwan Structural steel
SACM645 CNS China China Taiwan Structural steel
T11304 T11306
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