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Description

St52-3U Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: St52-3U
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel St52-3U
1.0143
St44-3U
S275J0
1.0145
S275J2
1.0145
S275J2
1.0045
S355JR
1.0553

Chemical composition(mass fraction)(wt.%) of the St52-3U

C
Si
Mn
P
S
Cr Ni
0.20  0.55  1.60  0.030  0.030     
Mo Al Cu Nb Ti V Ce
     0.55        
N Co Pb B Other    
≤0.012       houdu ≤ 30
tuoyang    N
   
             

Mechanical Properties of steel grade St52-3U

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)
195 (≥) 844 (≥) 12 14 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical Properties of steel grade St52-3U

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
41 - -     0.31 -  
482 892 - 44.3 223   -  
593 - 32 44.2   223 322

Heat Treatment of steel grade St52-3U

Heat treated : 1945°C - 1861°C

Technological Curves of steel grade St52-3U


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