1.Application Potential:
A299/A299M specification covers manganese-silicon carbon steel plates for use in welded boilers and other pressure vessels.This standard covers steel A299GrA and A299GrB.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
|
A299GrA
|
A299/A299M
|
0.30
|
0.84-1.62
|
0.035
|
0.035
|
0.13-0.45
|
A299GrB
|
A299/A299M
|
0.30
|
0.84-1.62
|
0.035
|
0.035
|
0.13-0.45
|
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
|
A299GrA
|
75–95 [515–655]
|
40 [275]
|
16
|
16
|
A299GrB
|
80–100 [550–690]
|
45 [310]
|
19
|
19
|
3.A299GrA,A299GrB have different strength levels as 515-655MPa and 550-690MPa 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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