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A572 Gr.42

Description

A572 Gr.42 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: A572 Gr.42
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel A572 Gr.42
1572
G15720
Type1
K11510
Type2
K12010
K12810
Cr.50
Cr.55
k02703

Chemical composition(mass fraction)(wt.%) of the A572 Gr.42

C
Si
Mn
P
S
Cu Ni
0.21 0.4 1.35 0.04 0.05 ≤0.2  
Mo Al Cr Nb Ti V Ce
             
N Co Pb B Other    
             
             

Mechanical Properties of steel grade A572 Gr.42

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)
158 (≥) 525 (≥) 11 33 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 422

Physical Properties of steel grade A572 Gr.42

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 -  
837 271 - 14.3 243   -  
557 - 21 12.2   324 214

Heat Treatment of steel grade A572 Gr.42

Heat treated : 1741°C - 1894°C

Technological Curves of steel grade A572 Gr.42


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