A299 Gr B STEEL PLATE
A299 /A299M covers manganese, silicon carbon steel plate for used in welded boiler and others pressure vessels in steel grade A299 Grade A and A299 Grade B.
ASTM A299 plates in 50 mm and under in thickness are normally supplied in the as-rolled condition. Plates may be ordered normalized or stress relieved, or both. Plates over 50 mm in thickness shall be normalized.
STEEL DIMENSION:
Thickness: 6MM to 300MM,
Width: 1500mm to 4050mm,
Length: 3000mm to 15000mm
Gnee steel is specialized in supplying ASTM steel plate in A299 Gr.B. For more information of grade A299 Grade B steel plates, please check them in following:
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A299 Grade BChemical Composition |
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Grade |
The Element Max (%) |
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C |
Si |
Mn |
P |
S |
Mo |
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A299 GR.B |
0.28-0.30 |
0.13-0.45 |
0.84 -1.62 |
0.035 |
0.035 |
– |
Carbon Equivalent: Ceq = 【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%
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Grade |
A299 Grade BMechanical Property |
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Thickness |
Yield |
Tensile |
Elongation |
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A299 GR.B |
mm |
Min Mpa |
Mpa |
Min % |
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t≦50 |
310-325 |
550-690 |
19 |
|
|
50<t≦200 |
310-325 |
550-690 |
19 |
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