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M2

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T11301 T11302
#M2

Description

USA ASTM M2 Molybdenum series High-speed tool steel and M2 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: M2
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy M2 ASTM USA Molybdenum series High-speed tool steel
T12004
T5
T12005
T6
T12006
T12008
T15
T12015
M1
T11301

Chemical composition(mass fraction)(wt.%) of the M2

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Mo(％) V(%) W(%)
0.78～0.88 0.20～0.45 0.15～0.40 ≤0.030 ≤0.030 3.75～4.50 4.50～5.50 1.75～2.20 5.50～6.75

Mechanical Properties of steel grade M2

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)
114 (≥) 565 (≥) 22 44 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 331

Physical Properties of steel grade M2

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
32 - -     0.24 -  
622 636 - 12.3 224   -  
678 - 42 23.2   322 222

Heat Treatment of steel grade M2

Heat treated : 1227°C - 1971°C

Technological Curves of steel grade M2

Cross Reference Table (Equivalent Grade) of M2

Grade Standard Country Application
SM2CrNi3MoAl1S China Plastic mould with flat steel
SM2Cr13 China Plastic mould with flat steel
M2 ASTM USA Molybdenum series High-speed tool steel
M2 hight C ASTM USA Molybdenum series High-speed tool steel
CPM Rex M2HCHS AISI USA Powder metallurgy high-speed tool steel
Stellite 98M2 Stellite alloy
M20 JIS Japan Carbide for cutting tools
BM2 UK Carbide for cutting tools
BM2 UK Carbide for cutting tools
erralium255 UNS USA Dual-phase steel
erralium255 UNS USA Dual-phase steel
SUSXM27 JIS Japan ferritic stainless steels
SUSXM27② JIS Japan ferritic stainless steel
08X21H6M2T Austenitic - Martensitic steel
08X16H13M2Б Austenitic
03X17H14M2 ГОСТ Russia Austenitic
08X17H13M2T ГОСТ Russia Austenitic
10X17H13M2T ГОСТ Russia Austenitic
08X16H13M2Б ГОСТ Russia Austenitic steel
STSXM27 KS Korea Ferritic Steel
T11301 T11302
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