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A299 Grade B steel plate, A299GrB boiler pressure vessel steel plate
ASTM A299 Grade B boiler steel plate with minimum yield strength above 325 Mpa,and tensile strength within 550-690 Mpa .A299 is suggested that all the plates to be done ultrasonic test and PWHT for improving steel properity and safety when using in high pressure situiations in yard.
Steel Grade:A299 Grade B Steel Standard: ASTM A299/A299M
Thickness:6mm-450mm Width:1200mm-4200mm
Length:3000mm-18000mm Surface Treatment:Shot blasting and painting or coated
Chemical Composition and Mechanical Property:
|
Grade |
Chemical Composition(%) |
||||
|
C |
Mn≥ |
Si |
P |
S |
|
|
A299 Grade B
(A299GRB)
|
0.30 |
0.84-1.62 |
0.13-0.45 |
0.035 |
0.035 |
|
Grade |
Mechanical Property |
|
|||
|
Tensile Strength(MPa) |
Yield Strength(MPa) |
% Elongation in 2 in.(50mm) min |
Impacting Test Temperature(°C) |
|
|
|
A299 Grade B
(A299GRB)
|
550-690 |
310 |
19 |
-20,40,-60 |
|
we are a professional ASME SA299 and ASTM A299 steel stockist and supplier. We can supply different product type and steel grades like A299 Grade A,A299 Grade B steel.