AB/AQ63 Steel plate ABS Grade AQ63 Z35 manufacturer


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The main products list.

ABS Grade AQ63 Steel pipe, ABS Grade AQ63 steel plate,ABS Grade AQ63 round steel, rebar,ABS Grade AQ63 flat steel, ABS Grade AQ63 square steel,ABS Grade AQ63 hexagonal steel, ABS Grade AQ63 hot rolled steel coil, ABS Grade AQ63cold rolled steel coil, ABS Grade AQ63 pattern steel coil, ABS Grade AQ63 strip steel.


Gangsteel produced and exported AB/AQ63 Steel plate, ABS Grade AQ63 Z35 offshore drilling platform steel plate, flat bar, machined parts, cutting parts.


ABS Grade AQ63 Detail productive in the following:


  1. Adopt standard: ABS (American Bureau of shipping)
  2. AQ63 application fields:
    AQ63 is a super high strength and tempered steel grade. It used in offshore drilling platform, Shipping marine engineering and Hull Structural project.
  3. AQ63 Chemical composition:


Grade C % max Si % max Mn % max P % max S % max
AB/AQ63 +QT 0.18 0.80 1.70 0.025 0.015
AL % min Nb % max V% max Ti % max Ni % max
0.018 0.06 0.12 0.05 2.0
Cu % max Cr % max Mo% max N% max 0% max
0.05 1.50 0.70 0.015 30


  1. AQ63 Mechanical Property:


Grade Yield Strength Strength Elongation Impact Energy
ABS AQ63 MPa (min) MPa % (min) 0 degree J
AB/AQ63  620 720-890 15 62


  1. Heat Treatment: Quenched and tempered, Normalized, TMCP
  2. Tolerance: The thickness tolerance is -+0.3mm
  3. Size: Thick: 8mm-300mm, width: 1500mm-4000mm, length: 3000mm-18000mm


  1. time: 35-40days
  2. AB/EQ43 are Used for making hulls, offshore oil drilling platforms, platform pipe joints and other structural parts, hull structures, marine machinery and main hulls, drilling rigs, pile boots, pile legs, racks, semicircular plates, etc. of marine drilling platforms and oil production platforms Manufacturing.

The AB/EQ43 manufacturer with the most complete specifications, the largest thickness (315mm), and the grade (E690) has good weldability, good fatigue resistance, lamellar tear resistance, and good internal and cold formability.


Gangsteel has much experience in super high strength hull structural steel plate, if you have any need in ABS/AQ63 steel plate; please feel free to contact us. We will give our mill competitive price on the base of faster delivery.


Other super strength steel grade in Gangsteel factory:








AB/AQ63 Steel plate|ABS Grade AQ63 Z35 manufacturer