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Description

STK30 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: STK30
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel STK30
STC52A
STC510B
STC52B
STC540
STC55
STC590A
STC60A
STC590B
STC60B
STK290

Chemical composition(mass fraction)(wt.%) of the STK30

 

C
Si
Mn
P
S
Cr Ni
      0.05 0.05    
Mo Al Cu Nb Ti V Ce
             
N Co Pb B Other    
             
             

Mechanical Properties of steel grade STK30

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)
257 (≥) 229 (≥) 24 22 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 341

Physical Properties of steel grade STK30

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
11 - -     0.22 -  
128 616 - 14.3 314   -  
152 - 21 31.2   211 331

Heat Treatment of steel grade STK30

Heat treated : 1333°C - 1616°C

Technological Curves of steel grade STK30


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