GL AH40 Shipbuilding Steel

shipbuilding steel GL AH40 is produced in plates, sheets, angles, H beams, bulb flats, and L angles with high quality. Shanghai Katalor can supply thousands tons of shipbuilding plate GL AH40 with GL agency endorsed and stamped every month, and transported to domestic shipyards to use and export to overseas shipyards.

Classification society GL is short for Germanischer Lloyd. As an independent classification society, GL was created to evaluate the quality of ships and deliver the results to stakeholders. GL’s first international ship classification register from 1868 reports 273 classed ships. By 1877, the number had grown tenfold. The surveyor network extended rapidly as a result. The DNV GL Group became operational on September 12, 2013 after the merger of DNV and GL. Now the DNV GL Group operates in over 100 countries.

Grade GL AH40 is the hull structural steel, shipbuilding steel, marine steel. GL Grade AH40 marine steel plates have good toughness properties, higher strength, strong corrosion-resistance, the processing properties, and welding properties. Shipbuilding steel plate GL Grade AH40 is mainly used in about zero centigree ocean situation. GL AH40 hull steel plate is done low temperature impacting test when rolling in our steel mill.

GL AH40 Shipbuilding Steel Chemical Requirements (%)

C max	Mn	Si	P max	S max	Al max.	Cb	V	Ti max.	Cu max.	Cr max.	Ni max.	Mo max.
0.18	0.90-1.60	0.10-0.50	0.035	0.035	0.015	0.02-0.05	0.05-0.10	0.02	0.35	0.20	0.40	0.08

GL AH40 Shipbuilding Steel Tensile Requirements

Yield Strength (MPa) min.	Tensile Strength (MPa)	Elongation in 8 in. min. %	Elongation in 2 in. min. %
390	510-650	19	22

GL AH40 Shipbuilding Steel Plates Specification:

Thickness: 4mm to 260mm,
Width: 1200mm to 4000mm
Length: 3000mm to 18000mm.

GL AH40 plates packing: GL AH40 marine steel plate is normally wrapped by plastic film and waterproof paper, and then fastened on wooden pallet or as you request.