A299GrA,A299 GRADE A,A299 Gr.A,A299 Gr A STEEL PLATE

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A299GrA,A299 GRADE A,A299 Gr.A,A299 Gr A STEEL PLATE
Unitedsteel mill produce super thickness plate for 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.

A299 Grade A Chemical Composition
Grade The Element Max (%)
C Si Mn P S Mo
A299 GR.A 0.28-0.30  
0.84 -1.62 0.035 0.035 -
Grade A299 Grade A Mechanical Property
Thickness Yield Tensile Elongation
A299 GR.A mm Min Mpa Mpa Min  %
t≦50 275-290 515-655 19
50<t≦200 275-290 515-655 19
Equivalent steel grade of A299 Grade A
Europe Belgium Germany France Italy Sweden India Japan U.K
    T St E 255   Fe 360 2 KG        
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