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Description

SZAC340 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: SZAC340
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel SZAC340
SGC D2
SGC D3
SGC D4
SGC H
SZAH340
SZAH400
SZAH440
SZAH490
SZAH540
SZAH C

Chemical composition(mass fraction)(wt.%) of the SZAC340

 

 

C
Si
Mn
P
S
Cr Ni
0.25  No provisions 1.7 0.2  0.05    
Mo Al Cu Nb Ti V Ce
             
N Co Pb B Other    
             
             

Mechanical Properties of steel grade SZAC340

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)
333 (≥) 251 (≥) 32 14 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 132

Physical Properties of steel grade SZAC340

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
43 - -     0.14 -  
521 855 - 23.3 242   -  
337 - 22 33.2   113 413

Heat Treatment of steel grade SZAC340

Heat treated : 1197°C - 1264°C

Technological Curves of steel grade SZAC340


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