Higher strength- Grade AH, DH ,EH and FH witha specified minimum yield point of
46 ksi(315Mpa),51ksi(350Mpa) or 57 ksi(390Mpa) Shapes and bars are normally
available as Grade A,AH32,and AH36.Other grades may be furnished by agreement
between purchaser and the manufacturer.

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Brief introduction of marine steel plate AH/DH/EH32

Marine steel plate refers to structural steel used in ship building. It is considered a marine grade and must be able to resist corrosive effects that are common in a water environment. To achieve this, special alloying elements are added to these grades in order to defend agaist corrosion.While most carbon steel is not suited for marine environments, there are several marine grade carbon steels that have been approved by the different societies for shipbuilding applications.

Structural steel for ship hulls is divided into strength classes according to its minimum yield strength: general strength structural steel and high strength structural steel. Maine steel plate refers to hot rolled steel plate produced in accordance with the requirements of the classication society for the construction of ship hull structures. The general strength steel s of the China Classification Society are divided into four quality grades: A B D and E.

There are 9 main classification societies in worldwide.
A.B.S   American Bureau of Shipping
B.V.     Bureau Veritas
C.C.S.   China Classification Society
D.N.V Det Norske Veritas
G.L.   Germanischer Lloyd
K.R.    Korean Register of Shipping
L.R.    Lloyd’s Register of Shipping
N.K.    Nippon Kaiji Kyokai
R.I.N.A Registro Italiano Navale
Higher strength- Grade AH, DH ,EH and FH witha specified minimum yield point of 46 ksi(315Mpa),51ksi(350Mpa) or 57 ksi(390Mpa)
Shapes and bars are normally available as Grade A,AH32,and AH36.Other grades may be furnished by agreement between purchaser and the manufacturer.

Shipbuilding is central to America’s identity and American ingenuity shines in its submarines, yachts, cruise ships, and aircraft carriers. Great ships start with high-quality marine grade steel plate and Gnee is proud to supply the American shipbuilding industry with marine and offshore steel that’s corrosion-resistant and tough, demonstrating decreased brittleness, even in cold temperatures, and increased strength to resist force trauma and vibration. All of our marine grade plate meets the standards set by ABS (American Bureau of Shipbuilding), ASTM, and API (American Petroleum Institute). We’re a trusted supplier of marine & offshore steel plate across world and service shipbuilders

Specifications range
Thickness:2.5-120mm
Width:1000-3000mm
Length: As request

Chemical composition and mechanical properties

Chemical Requirement for Higher-Strength Structural Steel

	AH32/DH32/EH32
C	0.18
Mn	0.90-1.60
Si	0.10-0.50
P	0.035
S	0.035
Al min	0.015
Cb	0.02-0.05
V	0.05-0.10
Ti	0.02
Cu	0.35
Cr	0.20
Ni	0.40
Mo	0.08
N	-

Tensile Requirement for Ordinary-Strength and Higher-Strength Structural Steel

Grade	Tensile Strength ksi(Mpa)	Yield Strength min ksi(Mpa)	Elongation in 8 in (200mm) %	Elongation in 2 in (50mm) min %
Higher strength
AH32 DH32 EH32 FH32	71-90(190-620)	51（355（	19	22

CUSTOMER TRANSACTION

Always adhere to the tenet of high quality, low cost, fast pace and excellent service. Shandong Chengshun Metal Materials Co., Ltd. is willing to cooperate sincerely with friends from all walks of life at home and abroad for common development.

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Factory Appearance

Shandong Chengshun Metal Materials Co., Ltd. is located in Jinan City, Shandong Province. It is a comprehensive company dealing in high-quality steel products, with a superior geographical location and very convenient transportation. The company has a complete and scientific quality system, and has been recognized by the industry for its integrity, strength and product quality.

Packing and shipping

Mainly exported to Europe, Southeast Asia, South Africa, the Middle East, Latin America and other countries and regions, the products are favored by Chinese and foreign users.

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PRODUCTION WORKSHOP

Shipbuilding Steel Plate