AH420 steel plate introduction: CCS/NV/GL420 is Marine and offshore engineering structural steel, divided into A, D, E, F four quality grades, namely AH420, DH420.EH420, FH420, H is high strength building materials, 420 is the lower yield strength.
AH420 steel plate implementation standard: GB711-2011 This standard is used in the manufacture of oceangoing, coastal and inland river navigation area sailing ships, fishing boats and Marine engineering structures with a thickness of not more than 150mm steel plate.
AH420 steel plate delivery status: hot mechanical rolling (TMCP), quenching and tempering (tempering and tempering), hot mechanical rolling + tempering (TMCP+T).
AH420 steel plate size, shape, weight and allowable deviation: the size, shape, weight and allowable deviation of the AH420 steel plate should comply with the provisions of GB/T709, the thickness of the deviation is -0.30mm.
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