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Description

S340MC Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: S340MC
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel S340MC
1.3543
X89CrMoV18-1
1.3549
80MoCrV42-16
1.3551
X82WMoCrV6-5-2
1.3553
S315MC
1.0972
1.0974

Chemical composition(mass fraction)(wt.%) of the S340MC

 

 

C
Si
Mn
P
S
Cr Ni
0.12  0.50  1.30  0.030  0.030     
Mo Al Cu Nb Ti V Ce
   0.015%    0.09%  0.22    
N Co Pb B Other    
             
             

Mechanical Properties of steel grade S340MC

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)
963 (≥) 412 (≥) 21 14 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 422

Physical Properties of steel grade S340MC

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 - -     0.32 -  
271 133 - 11.3 113   -  
938 - 32 31.2   431 121

Heat Treatment of steel grade S340MC

Heat treated : 1674°C - 1718°C

Technological Curves of steel grade S340MC


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