ASTM A131 AH32 DH32 EH32 FH32 Shipbuilding Steel Plate
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  • Wuxi Jiangsu Hongtu Metal Technology Co., Ltd.
  • Wuxi Jiangsu Hongtu Metal Technology Co., Ltd.
  • Wuxi Jiangsu Hongtu Metal Technology Co., Ltd.

ASTM A131 AH32 DH32 EH32 FH32 Shipbuilding Steel Plate

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.

Keywords:

shipbuilding steel plate ASTM A131 AH32 DH32 EH32 FH32 Shipbuilding Steel Plate

MOQ:

1 ton

Customization:

Customized logo, Customized packaging, Graphic customization

Brief introduction of marine steel plate
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.

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

Grade AH40 steel is the impact force subjected to 0 ° C
Grade DH40 steel impact force at  -20 ° C
Grade EH40 steel impact force at -40 ° C
Grade FH40 steel impact force at -60 ° C

Shot blasting service
Shot blasting is a method used to clean or polish steel when enhanced surface finishes are required. Shot blasting is used in almost every industry we serve. Especially in shipbuilding, rail,structural fabrication and more.

Specifications range
Thickness:2.5-120mm
Width:1000-3000mm
Length: As request
 
Chemical composition and mechanical properties
Chemical Composition

Steel grade C Si Mn P S Als
Grade AH40 ≤0.18 ≤0.50 0.9-1.6 ≤0.035 ≤0.035 ≥0.015
Grade DH40 ≤0.18 ≤0.50 0.9-1.6 ≤0.035 ≤0.035 ≥0.015
Grade EH40 ≤0.18 ≤0.50 0.9-1.6 ≤0.035 ≤0.035 ≥0.015
Grade FH40 ≤0.18 ≤0.50 0.9-1.6 ≤0.035 ≤0.035 ≥0.015

 

Processing for Different Grades
Grade D, E (DH32, DH36, EH 32, EH 36)
Grade D and E series (inlcuding AH32/36, DH32, DH36, EH32, EH36) shipbuilding steel plates require good low temperature toughness and good welding performance. The production high-strength shipbuilding steel plate needs to be normalized by means of controlled rolling and controlled cooling or heat treatment processes with more complete equipment. At the same time, the internal steel purity of the supplied billets is required to be high, especially the content of S, P, N, 0 and H in the steel should be strictly controlled.

Alloy Elements Added to Improve Toughness
In order to ensure the performance of high-strength ship plates, micro-alloying technology is adopted. By adding Nb, V, Ti and other alloying elements to the steel, combined with the controlled rolling process, the grain is refined and the toughness is improved.
Direction of Development for Shipbuilding Plate
High strength, high specification, with the ship's large-scale and safety, and changes in coating specifications, the demand for ordinary A-class panels is gradually reduced, and the demand for high-strength panels is increasing, which is concentrated in large ships of 5m wide. Plate, 200-300mm thickness special thick ship board.

Warehouse Storage

The predecessor of Jiangsu Hongtu Metal Technology Co., Ltd. . founded in 2012, it belongs to Industry Bureau of Jiangsu . Aims to promote the development of Stainless / Carbon steel industry of Jiangsu . Now the main business scope of our company covers various kinds of Stainless steel and carbon steel materials , such as hot rolled / cold rolled stainless steel coils / sheet , Seamless / welded stainless steel pipe ( tube ).

 

Jiangsu Hongtu Metal Technology Co., Ltd.

 

Packing and shipping

As the leading provider of steel materials in Jiangsu , we have our own factories as follows : A seamless stainless steel pipe factory located in Wuxi . A welded stainless steel tube factory located in Wuxi . A stainless steel coil processing workshop in for Slitting , winding & unwinding of steel coils . A cold rolling seamless steel pipes in Wuxi for cold rolled seamless steel pipes . We provide the products consultation , purchase plan suggestion , logistic service ( including the shipment service , custom works , etc ).

 

Jiangsu Hongtu Metal Technology Co., Ltd.

 

Application field

We will provide you with the shortest lead time on the basis of quality and quantity;    "Integrity" is the only principle of the company, and "win-win" is the direction pursued.     We will always serve you enthusiastically and look forward to long-term cooperation with you.

 

Jiangsu Hongtu Metal Technology Co., Ltd.

Customer group photo

Jiangsu Hongtu Metal Technology Co., Ltd.

Production process

Jiangsu Hongtu Metal Technology Co., Ltd.

Qualification certificate

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