1.Application Potential:
A662/A662M specification covers manganese-silicon carbon steel plates for use in welded boilers and other pressure vessels.This standard covers steel A662GrA and A662GrC.These plates are widely used in the fabrication of boilers and pressure vessels in industries such as shipbuilding, petrochemical and manufacturing.
2.Chemical Composition and Mechnical Property:
Chemical composition
Grade
|
Standard
|
C
|
Mn
|
S
|
P
|
Si
|
A662GrA
|
A662/A662M
|
0.17
|
0.84-1.46
|
0.035
|
0.035
|
0.13-0.45
|
A662GrC
|
A662/A662M
|
0.24
|
0.92-1.72
|
0.035
|
0.035
|
0.13-0.55
|
Mechnical Property
Grade
|
Tensile strength, ksi [MPa]
|
Yield strength, min,A ksi [MPa]
|
Elongation in 8 in. [200 mm], min, %B
|
Elongation in 2 in. [50 mm], min, %B
|
A662GrA
|
58–78 [400–540]
|
40 [275]
|
20
|
23
|
A662GrC
|
70–90 [485–620]
|
43 [295]
|
18
|
22
|
3.A662GrA,A662GrC have different strength levels as 400-540MPa and 485-620MPa separately,where the main difference between them exist.For more Supplementary requirements such as S1. Vacuum Treatment,S2. Product Analysis and so on,do not hesitate to contact us,we will do our best to satisfy you.
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