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Description

SCM418TK Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: SCM418TK
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel SCM418TK
STK30
STK400
STK41
STK490
STK50
STK500
STK51
STK540
STK55
SCM415TK

Chemical composition(mass fraction)(wt.%) of the SCM418TK

 

C
Si
Mn
P
S
Cr Ni
0.16-0.21 0.15-0.35 0.6-0.85 0.03 0.03 0.9-1.2 ≤0.25
Mo Al Cu Nb Ti V Ce
0.15-0.3   ≤0.3        
N Co Pb B Other    
             
             

Mechanical Properties of steel grade SCM418TK

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)
343 (≥) 613 (≥) 33 32 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 324

Physical Properties of steel grade SCM418TK

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
34 - -     0.43 -  
752 737 - 33.3 443   -  
768 - 13 13.2   143 412

Heat Treatment of steel grade SCM418TK

Heat treated : 1533°C - 1425°C

Technological Curves of steel grade SCM418TK


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