AB/AQ70 Steel plate ABS AQ70 Z35 manufacturer


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The main products list.

ABS Grade AQ70 Steel pipe, ABS Grade AQ70 steel plate,ABS Grade AQ70 steel, rebar,ABS Grade AQ70 flat steel, ABS Grade AQ70 square steel,ABS Grade AQ70 hexagonal steel, ABS Grade AQ70 hot steel coil, ABS Grade AQ70cold rolled steel coil, ABS Grade AQ70 pattern steel coil, ABS Grade AQ70 strip steel.


Gangsteel produced and exported AB/AQ70 Steel plate, ABS Grade AQ70 Z35 offshore drilling platform steel plate, flat bar, machined parts, parts.


ABS Grade AQ70 Detail productive technology in the following:


  1. Adopt standard: ABS (American Bureau of shipping)
  2. AQ70 fields:
    AQ70 is a super high strength quenched and tempered steel grade. It used in offshore drilling platform, Shipping marine engineering and Hull Structural project.
  3. AQ70 Chemical composition:


Grade C % max Si % max Mn % max P % max S % max
AB/AQ70 +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. AQ70 Mechanical Property:


Grade Yield Strength Tensile Strength Elongation Impact Energy
ABS AQ70 MPa (min) MPa % (min) 0 degree J
   690 770-940 14 69


  1. Heat : Quenched and tempered, Normalized, TMCP
  2. Tolerance: The 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 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 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/AQ70 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/AQ70 Steel plate|ABS Grade AQ70 Z35 manufacturer