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Description

Mo7-3-2 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: Mo7-3-2
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel Mo7-3-2
E460K2
E590K2
1.0644
E730K2
1.8893
1.7216
30CrMo4
1.6563
41NiCr
1.6563

Chemical composition(mass fraction)(wt.%) of the Mo7-3-2

C
Si
Mn
P
S
Cr Ni
0.38-0.44  0.30  0.60-0.90  0.025  0.025  0.70-0.90 1.65-2.00 
Mo Al Cu Nb Ti V Ce
0.15-0.30    0.25         
N Co Pb B Other    
             
             

 

Mechanical Properties of steel grade Mo7-3-2

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)
283 (≥) 749 (≥) 43 13 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 132

Physical Properties of steel grade Mo7-3-2

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
31 - -     0.44 -  
986 996 - 41.3 421   -  
428 - 13 33.2   222 334

Heat Treatment of steel grade Mo7-3-2

Heat treated : 1449°C - 1376°C

Technological Curves of steel grade Mo7-3-2


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