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Description

STC38 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: STC38
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel STC38
SGLC DD
SG255
SG26
SG295
SG30
SG325
SG33
SG365
SG37
STC370

Chemical composition(mass fraction)(wt.%) of the STC38

 

C
Si
Mn
P
S
Cr Ni
0.25 0.35 0.3-0.9 0.04 0.04    
Mo Al Cu Nb Ti V Ce
             
N Co Pb B Other    
             
             

Mechanical Properties of steel grade STC38

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)
593 (≥) 513 (≥) 13 14 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 343

Physical Properties of steel grade STC38

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 - -     0.33 -  
152 741 - 32.3 144   -  
452 - 32 21.2   224 422

Heat Treatment of steel grade STC38

Heat treated : 1243°C - 1663°C

Technological Curves of steel grade STC38


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