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Description

St44-2 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: St44-2
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel St44-2
S235JR
S235JR
RSt37-2
1.0038
1.0114
St37-3U
S235J0
S235J2
1.0117
S275JR

Chemical composition(mass fraction)(wt.%) of the St44-2

 

C
Si
Mn
P
S
Cr Ni
0.21    1.50  0.035  0.035     
Mo Al Cu Nb Ti V Ce
     0.55        
N Co Pb B Other    
 0.012       houdu ≤40
tuoyang         N
   
             

Mechanical Properties of steel grade St44-2

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)
783 (≥) 478 (≥) 34 23 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 323

Physical Properties of steel grade St44-2

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
14 - -     0.23 -  
772 545 - 33.3 221   -  
488 - 33 14.2   333 133

Heat Treatment of steel grade St44-2

Heat treated : 1645°C - 1892°C

Technological Curves of steel grade St44-2


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