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Description

SCM440TK Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: SCM440TK
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel SCM440TK
STK50
STK500
STK51
STK540
STK55
SCM415TK
SCM418TK
SCM420TK
SCM430TK
SCM435TK

Chemical composition(mass fraction)(wt.%) of the SCM440TK

 

C
Si
Mn
P
S
Cr Ni
0.38-0.43 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 SCM440TK

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)
656 (≥) 615 (≥) 42 33 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 444

Physical Properties of steel grade SCM440TK

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
21 - -     0.32 -  
585 436 - 31.3 212   -  
467 - 32 41.2   332 334

Heat Treatment of steel grade SCM440TK

Heat treated : 1584°C - 1353°C

Technological Curves of steel grade SCM440TK


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