AB/FQ43 Steel plate ABS Grade FQ43 Z35 manufacturer


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The main products list.

ABS Grade FQ43 Steel pipe, ABS Grade FQ43 steel plate,ABS Grade FQ43 round steel, rebar,ABS Grade FQ43 flat steel, ABS Grade FQ43 square steel,ABS Grade FQ43 hexagonal steel, ABS Grade FQ43 hot rolled steel coil, ABS Grade FQ43cold rolled steel coil, ABS Grade FQ43 pattern steel coil, ABS Grade FQ43 strip steel.

Gangsteel produced and exported AB/FQ43 Steel plate, ABS Grade FQ43 Z35 offshore drilling platform steel plate, flat bar, machined parts, cutting parts.

ABS Grade FQ43 Detail productive technology in the following:


  1. Adopt standard: ABS (American Bureau of shipping)
  2. FQ43 application fields:
    FQ43 is a super high strength quenched and tempered steel grade. It used in offshore drilling platform, Shipping marine engineering and Hull Structural project.
  3. FQ43 Chemical composition:


Grade C % max Si % max Mn % max P % max S % max
AB/FQ43 +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. FQ43 Mechanical Property:


Grade Yield Strength Tensile Strength Elongation Impact Energy
ABS FQ43 MPa (min) MPa % (min) 0 degree J
AB/FQ43  420 530-680 18 41


  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/FQ43 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/FQ43 Steel plate|ABS Grade FQ43 Z35 manufacturer