ASTM A131 AH32 DH32 EH32 FH32 Shipbuilding Steel Plate

Classification :

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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Shipbuilding Steel Plate

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. 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

warehouse storage

The annual output of the factory is 400,000 tons, and the current inventory is more than 100,000 tons, which can greatly save the purchasing time of customers and ensure the production cycle and product quality of customers. We are a quality partner for domestic and foreign customers. At present, there are 14 steel production lines for processing, bending, coating, heat treatment, cutting, drilling, chamfering, conditioning, surface treatment and 13 sets of processing equipment.

Packing and shipping

Our main products are: carbon steel plate, carbon steel pipe, carbon steel coil, stainless steel plate, stainless steel coil, stainless steel profile, galvanized plate, galvanized coil, color coated steel coil, ppgi/ppgl and a wide range of high quality steel products.

Customer visit

Li Cheng (Shandong) Metal Materials Co., LTD. has the right to import and export, and its products are exported to more than 20 countries in Asia, Africa, Europe, North America and other regions. Complete processing equipment, perfect quality assurance system, well received by customers.We are willing to first-class technology, first-class equipment, first-class service wholeheartedly and friends from all walks of life sincere cooperation!

Cooperation Case

Applicable to construction, petroleum, chemical, electric power, metallurgy, urban gas, heat pipe network, Bridges, railways, vehicles, ships and other industrial fields and construction, infrastructure and other engineering fields. Complete testing equipment, strong technical force, can implement GB, ASTM, JIS, DIN and other standards.

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Shipbuilding Steel Plate