AB/DQ56 Steel plate ABS Grade DQ56 Z35


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The main products list.

ABS Grade DQ56 Steel pipe, ABS Grade DQ56 steel plate,ABS Grade DQ56 round steel, ,ABS Grade DQ56 flat steel, ABS Grade DQ56 square steel,ABS Grade DQ56 hexagonal steel, ABS Grade DQ56 hot rolled steel coil, ABS Grade DQ56cold rolled steel coil, ABS Grade DQ56 pattern steel coil, ABS Grade DQ56 strip steel.


Gangsteel produced and exported AB/DQ56 Steel plate, ABS Grade DQ56 Z35 offshore drilling platform steel plate, flat bar, machined parts, cutting parts.


ABS Grade DQ56 Detail productive in the following:


  1. Adopt : ABS (American Bureau of shipping)
  2. DQ56 fields:
    DQ56 is a super high strength quenched and steel grade. It used in offshore drilling platform, Shipping marine engineering and Hull Structural project.
  3. DQ56 Chemical composition:


Grade C % max Si % max Mn % max P % max S % max
AB/DQ56 +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. DQ56 Mechanical Property:


Grade Yield Strength Tensile Strength Elongation Impact Energy
ABS DQ56 MPa (min) MPa % (min) -20 degree J
   550 670-835 16 55


  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. Delivery time: 35-40days
  2. AB/EQ43 are Used for making hulls, offshore oil production 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 highest grade (E690) has good weldability, good fatigue resistance, lamellar tear resistance, and good internal quality and cold formability.


Gangsteel has much experience in super high strength hull structural steel plate, if you have any need in ABS/DQ56 steel plate; please feel free to contact us. We will give our mill competitive price on the base of delivery.


Other super strength steel grade in Gangsteel factory:








AB/DQ56 Steel plate|ABS Grade DQ56 Z35 manufacturer