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ASTM CM-2

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UNS T90813 ASTM CO-1
#ASTM # # #CM-2

Description

ASTM CM-2 Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel: ASTM CM-2
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel ASTM CM-2
ASTM CA-2
UNS T90102
ASTM CD-2
UNS T90402
ASTM CD-5
UNS T90405
ASTM CH-12
UNS T90812
ASTM CH-13
UNS T90813

Chemical composition(mass fraction)(wt.%) of the ASTM CM-2

C
≤		 Si
≤		 Mn
≤		 P
≤		 S
≤		 Cr Ni
 0.78-0.8  1.0 0.75  0.03   0.03  3.75-4.5 ≤0.25 
Mo Al W Nb Ti V Ce
4.5-5.5    5.5-6.75      1.25-2.2   
N Co Pb B Other    
  ≤ 0.25          
             

Mechanical Properties of steel grade ASTM CM-2

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)
451 (≥) 472 (≥) 33 32 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 222

Physical Properties of steel grade ASTM CM-2

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
24 - -     0.22 -  
845 681 - 41.3 334   -  
179 - 43 44.2   143 323

Heat Treatment of steel grade ASTM CM-2

Heat treated : 1467°C - 1652°C

Technological Curves of steel grade ASTM CM-2

Cross Reference Table (Equivalent Grade) of ASTM CM-2

Grade Standard Country Application
ASTM 1030 ASTM USA General use carbon steel bar
ASTM 1005 ASTM USA General use carbon steel bar
ASTM 1006 ASTM USA General use carbon steel bar
ASTM 1008 ASTM USA General use carbon steel bar
ASTM 1010 ASTM USA General use carbon steel bar
ASTM 1013 ASTM USA General use carbon steel bar
ASTM 1015 ASTM USA General use carbon steel bar
ASTM 1016 ASTM USA General use carbon steel bar
ASTM 1017 ASTM USA General use carbon steel bar
ASTM 1018 ASTM USA General use carbon steel bar
ASTM 1019 ASTM USA General use carbon steel bar
ASTM 1020 ASTM USA General use carbon steel bar
ASTM 1021 ASTM USA General use carbon steel bar
ASTM W1-A ASTM USA Carbon tool steel
ASTM A182 F55 ASTM USA Super Duplex
ASTM 431 ASTM USA Martensitic special steel
ASTM 440A ASTM USA Martensitic special steel
ASTM 440B ASTM USA Martensitic special steel
ASTM 440C ASTM USA Martensitic special steel
ASTM 501 ASTM USA Martensitic special steel
UNS T90813 ASTM CO-1
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