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Shipbuilding Plates (ABS, AH36, DH36) Philippines
What sets high-strength shipbuilding plates like AH36, DH36, and EH36 steel plate apart is their remarkable ability to deliver equivalent strength with reduced thickness when compared to general strength steel. This advantage becomes particularly crucial in high-stress areas of ships, where minimizing weight while maintaining strength is paramount.
Such innovative materials play a pivotal role in ensuring the structural integrity and durability of modern maritime vessels, contributing to the safety and efficiency of marine transport systems.
Shipbuilding Plate Standards from Different Countries
- ABS (American Bureau of Shipping)
- R (Lloyd’s Register of Shipping)
- RS (India Register of Shipping
- BV (Bureau Veritas)
- NK (Nippon Kaiji Kyokai)
- RINA (Registro Italiano Navale)
- CCS (China Classification Society)
- LR (Lloyd’s Register of Shipping)
- DNV (Det Norske Veritas)
- RINA (Registro Italiano Navale)
- GL (Germanischer Lloyd)
- HR (Hellenic Register of Shipping)
General Grades:
- Grade A: Designed to withstand impact forces at normal temperatures (20°C).
- Grade B: Engineered for impact resistance at 0°C.
- Grade D: Crafted to withstand impact forces at -20°C.
- Grade E: Engineered for impact resistance even at frigid temperatures of -40°C.
High-Strength Shipbuilding Steel Plate Grades: AH32, DH32, and EH32; AH36, DH36, and EH36; and AH40, DH40, and EH40.
It’s essential to note that the impact values remain consistent across all grades of steel. However, for high-strength hull structure steel plates, certain preheating requirements must be met. When dealing with plate thicknesses exceeding 30mm or when working on angle and butt joints, preheating to temperatures ranging from 120-150°C is necessary before welding.
For plates with thicknesses less than or equal to 30mm and ambient temperatures below 5°C, preheating to 75°C is recommended. When working in conditions below 0°C, preheating within the range of 75-100°C ensures the integrity of the welds. These guidelines are essential to maintain the structural strength and durability of shipbuilding materials, ensuring the safety and reliability of maritime vessels in diverse operating conditions.
| Thickness Range: | 5 mm -150 mm |
| Width Range: | 1500 mm – 3900 mm |
| Length Range: | 6 m, 12 m, coils |
| Elements | c | Mn | Ai | Si | P | S |
|---|---|---|---|---|---|---|
| AH32 | <0.18 | 0.7~1.60 | >0.015 | >0.10~0.50 | <0.04 | <0.04 |
| DH32 | <0.18 | 0.90~1.60 | >0.015 | >0.10~0.50 | <0.04 | <0.04 |
| EH32 | <0.18 | 0.90~1.60 | >0.015 | >0.10~0.50 | <0.04 | <0.04 |
| AH36 | <0.18 | 0.7~1.60 < |
>0.015 | >0.10~0.50 | <0.04 | <0.04 |
| DH36 | <0.18 | 0.90~1.60 | >0.015 | >0.10~0.50 | <0.04 | <0.04 |
| EH36 | <0.18 | 0.90~1.60 | >0.015 | >0.10~0.50 | <0.04 | <0.04 |
SHIPBUILDING PLATE Processing for Different Grades
Grade A and B
suitability for specific temperature ranges ensures that they perform reliably in diverse marine environments, contributing to the structural integrity and safety of vessels at sea.
Grade D, E (DH32, DH36, EH 32, EH 36)
Alloy Elements Added to Improve Toughness
Direction of Development for Shipbuilding Plate
These specialized panels are predominantly sought after in the construction of broad vessels, typically exceeding 5 meters in width, often requiring substantial shipboard plates with thickness ranging from 200 to 300mm. This shift reflects the industry’s commitment to meeting elevated safety standards and accommodating the evolving requirements of modern, robust maritime structures.




Why should I choose shipbuilding steel, like AH36 or DH36 over steel for my coastal real estate in the Philippines?
Shipbuilding steel is a choice for coastal areas like Subic, Batangas or the Davao Gulf. This is because it can handle air and water well. Regular A36 steel can corrode quickly in these areas.
Shipbuilding steel has manganese and silicon which makes it stronger. It also resists corrosion better. This means you won’t have to spend a lot on maintenance over time. Your waterfront structures, boardwalks and coastal warehouses will last longer.
Does shipbuilding steel meet the requirements of the National Structural Code of the Philippines?
Yes it does. The code mainly uses ASTM standards for buildings. It also allows for strength low-alloy steels if they meet the necessary mechanical properties.
Shipbuilding steel like AH36 is often stronger than steel. You can use it for projects if you get a certificate from the Bureau of Philippine Standards. This ensures it meets safety and seismic regulations.
How will the Luzon Economic Corridor expansion affect the availability of marine-grade steel?
The Luzon Economic Corridor expansion by 2026 has increased demand for steel in the Subic-Clark-Batangas area. Local companies like SteelAsia are producing steel. However high-quality shipbuilding plates are still mostly imported.
To avoid delays in your construction projects you should order your steel 12 to 16 weeks in advance. This protects your budget from price fluctuations in the import market. These fluctuations can be as high as 10-15%.
Can I use shipbuilding steel for the floors or mezzanines of warehouses?
Yes you can. Shipbuilding steel grades like DH36 are very tough. They can withstand loads and impacts.
It is perfect for floors and mezzanines that support machinery, forklifts or high-density storage. The high fatigue strength of steel prevents it from sagging or cracking under stress. This is unlike lower-grade steels.
Will using marine-grade steel improve my construction project's Green Building or Resiliency rating?
Yes it will. The Tatak Pinoy initiative and the Build More movement emphasize disaster resilience. Using shipbuilding steel increases a building’s service life. This is a factor in sustainable construction.
By reducing the need for repairs and heavy anti-corrosion treatments you can make your project more environmentally friendly. It also becomes more compliant with ESG standards in the Philippines.
What is ABS Steel?
ABS Steel is carbon steel certified by the American Bureau of Shipping. It is often used for ships and offshore oil rigs. It is also specified for projects in the Philippines, especially those near the coast. ABS-certified steel, like ABS Grade A or AH36 undergoes rigorous testing.
Why should I require ABS Steel for my project?
If you are building high-value assets, like cold storage facilities or automated logistics hubs, in high-risk areas requiring ABS-certified steel ensures the material can withstand conditions. Using ABS-certified steel can also lower your insurance premiums. It can increase the resale value of your property. This is because it serves as proof that the building was constructed with high-quality materials.
Shipbuilding Steel Plate Supplier Prices
VSteel Metal Asia’s dedicated team ensures service excellence and customer satisfaction, delivering high-quality steel products at competitive prices for projects nationwide.
Looking for a reliable Ship Building Steel Plate supplier? Look no further. VSteel Metal Asia serves as a prominent distributor of Ship Building Steel Plates (ABS, AH36, DH36, and many more) within the Philippines.
Our competitive Ship Building Steel Plate prices are aligned with the current Philippine market rates, specifically, Metro Manila, Metro Cebu, and Metro Davao thereby ensuring a fair and transparent trade experience with us.
Reach out to us directly for any inquiries or assistance needed.

