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GL AH36 Shipbuilding Steel Plate
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.
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GL AH36 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. 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
| Element | Grade A | Grade B | Grade D | Grade E | Grade CS |
| Deoxidation and Thickness(t) in mm | |||||
| t>2.0 in(50mm) | t>2.0 in(50mm) | t>1.0 in(50mm) | |||
| C | 0.21 | 0.21 | 0.21 | 0.18 | 0.16 |
| Mn min | 2.5XC | 0.60 | 0.60 | 0.70 | 1.00 |
| Si | 0.50 | 0.35 | 0.10-0.35 | 0.10-0.35 | 0.10-0.35 |
| P | 0.035 | 0.035 | 0.035 | 0.035 | 0.035 |
| S | 0.035 | 0.035 | 0.035 | 0.035 | 0.035 |
| Ni | - | - | - | - | |
| Cr | - | - | - | - | - |
| Mo | - | - | - | - | - |
| Cu | - | - | - | - | - |
| C+Mn/6 | 0.40 | 0.40 | 0.40 | 0.40 | 0.40 |
Chemical Requirement for Higher-Strength Structural Steel
| Element | Chemical composition(heat analysis% max | |
| AH/DH/EH32 AH/DH/EH36 and AH/DH/EH40 | FH32/36/40 | |
| C | 0.18 | 0.16 |
| Mn | 0.90-1.60 | 0.90-1.60 |
| Si | 0.10-0.50 | 0.10-0.50 |
| P | 0.035 | 0.025 |
| S | 0.035 | 0.025 |
| Al min | 0.015 | 0.015 |
| Cb | 0.02-0.05 | 0.02-0.05 |
| V | 0.05-0.10 | 0.05-0.10 |
| Ti | 0.02 | 0.02 |
| Cu | 0.35 | 0.35 |
| Cr | 0.20 | 0.20 |
| Ni | 0.40 | 0.40 |
| Mo | 0.08 | 0.08 |
| N | - | 0.009 |
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 % |
| Ordinary strength | 58-75(400-520) | 34(235) | 21 | 24 |
| A B D E CS | ||||
| Higher strength | ||||
| AH32 DH32 EH32 FH32 | 64-85(440-590) | 46(315) | 19 | 22 |
| AH36 DH36 EH36 FH36 | 71-90(190-620) | 51（355） | 19 | 22 |
| AH40 DH40 EH40 FH40 | 74-94（510-650） | 57（390） | 19 | 22 |
Factory video
Shandong Mingding Supply Chain Management Service Co., Ltd. was established in 2013, focusing on the production, processing and trade of metal materials. We have a professional team to provide quality service, we sincerely welcome customers at home and abroad to visit our company for guidance and long-term cooperation.
Warehouse storage
The company has the most advanced production equipment and automatic control system, to ensure the most reliable product quality. In addition, we also have a professional international trade and logistics team. With quality products and excellent service, we have established a large number of long-term customers all over the world.
Packing and delivery
To better ensure the safety of your goods, professional, environmentally friendly, convenient and efficient packaging services will be provided.
Production Technology
Our main products include high quality carbon steel, stainless steel products,galvanized steel products, aluminum and copper. We can also provide cutting, punching, bending, polishing, shearing, wire drawing and other related service.
Honor
Application
Our company is set production processing and trade as one. The company has the most advanced production equipment and automatic control system, to ensure reliable product quality and sufficient supply capacity. Our main products are stainless steel, silicon steel, galvanized steel, carbon steel, aluminum products and other series. Applicable to engineering, coal mining, shipping, aviation, boiler, machinery, military and other fields. We sincerely welcome customers from all over the world to visit our company to discuss long-term cooperation.
Architectural field
Architectural field
Automotive field
Automotive field
Aviation field
Aviation field
Chemical industry field
Chemical industry field
FAQ
How do you package the product?
The inner layer is covered with waterproof paper, packed in iron and secured by fumigated wooden brackets. It can effectively protect products from corrosion in the process of sea sample transportation.
Are the products inspected before shipment?
Of course. All our products go through strict quality tests before they are packed. Those that fail will be destroyed.
Can I visit your factory?
Of course. We welcome customers from all over the world to visit our factory.
What certifications have your products passed?
We have ISO 9001, SGS, EWC and other certifications.
Can you provide samples?
Of course, we can send samples all over the world. Our samples are free of charge, but the customer needs to bear the Courier charge
What is the loading port?
Normally, we ship from Shanghai, Tianjin, Qingdao and Ningbo ports. You can choose other ports according to your needs.
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Add：Shan Gang Building, 61-11 South Gongye Road, Jinan Area, China (Shandong) Pilot Free Trade Zone
MD Steel
Message
info@mingdingsteel.com
+8615553113555