Premium DH36/AH36/EH36 Shipbuilding Steel Plates for Marine Applications
As a DNV GL/ABS/LR certified marine Shipbuilding Steel Plates Supplier, we specialize in producing DH36, AH36, and EH36 grade shipbuilding steel plates that meet the standards of international classification societies. These marine-grade hull plates are designed for extreme marine environments and have:
High strength: yield strength ≥355MPa (AH36/DH36) to ≥390MPa (EH36)
Low-temperature toughness: -20℃ impact energy ≥34J (DH36), -40℃ ≥27J (EH36)
Corrosion resistance: Copper-nickel alloy formula extends service life by 15-20 years
Shipbuilding Steel Plate Products
Thickness：6mm-150mm
Width：1500mm-3500mm
Length：6000mm-13000mm
We have sufficient inventory of shipbuilding steel plates, covering 6mm-150mm thickness, 1500mm-3500mm width, 6000mm-13000mm length, and support customized cutting to meet different shipbuilding needs. All steel plates have passed ABS, DNV, LR, BV, CCS and other international certifications, with high strength, corrosion resistance, fatigue resistance and other excellent properties, suitable for cargo ships, tankers, offshore platforms, etc. Contact us now to get the latest inventory and preferential shipbuilding steel plate quotes!
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Table of Contents
DH36/AH36/EH36 Shipbuilding Steel Plates Data Sheet
DH36/AH36/EH36 Chemical Composition (ASTM A131 Standard)
| Element | DH36 (%) | AH36 (%) | EH36 (%) |
|---|---|---|---|
| Carbon | ≤0.18 | ≤0.18 | ≤0.18 |
| Manganese | 0.90-1.60 | 0.90-1.60 | 0.90-1.60 |
| Silicon | 0.10-0.50 | 0.10-0.50 | 0.10-0.50 |
| Phosphorus | ≤0.035 | ≤0.035 | ≤0.025 |
Note: EH36 adds 0.02-0.05% niobium (Nb) to improve low-temperature toughness
DH36/AH36/EH36 Physical Properties
| Properties | DH36 | AH36 | EH36 |
|---|---|---|---|
| Density (g/cm³) | 7.85 | 7.85 | 7.85 |
| Coefficient of Thermal Expansion(10^-6/℃) | 11.5 (20-100℃) | 11.5 (20-100℃) | 11.3 (20-100℃) |
| Thermal Conductivity (W/m·K) | 48 | 48 | 45 |
| Resistivity (nΩ·m) | 230 | 230 | 245 |
| Magnetic | Ferromagnetic | Ferromagnetic | Ferromagnetic |
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DH36/AH36/EH36 Mechanical Properties
| Properties | DH36 | AH36 | EH36 | Test Standard |
|---|---|---|---|---|
| Yield Strength (MPa) | ≥355 | ≥355 | ≥390 | ASTM A370 |
| Tensile Strength (MPa) | 490-620 | 490-620 | 510-680 | ASTM A370 |
| Elongation (%) | ≥21 | ≥21 | ≥20 | ASTM E8/E8M |
| Impact Energy (-20℃) | ≥34J | – | – | ISO 148-1 |
| Impact Energy (-40℃) | – | – | ≥27J | ISO 148-1 |
| Hardness HBW | 130-180 | 130-180 | 140-190 | ASTM E10 |
| Z-Direction Performance | Z25 Qualified | Z25 Qualified | Z35 Qualified | EN 10164 |
Looking Forward to Becoming One of Your Ship Building Steel Suppliers
DH36/AH36/EH36 Equivalent Standard(ASTM/EN/JIS)
| Standard | DH36 | AH36 | EH36 |
|---|---|---|---|
| ASTM | A131 DH36 | A131 AH36 | A131 EH36 |
| EN | EN 10225 S355G7 | EN 10025 S355J2 | EN 10225 S420G2 |
| JIS | G3114 SMA570 | G3106 SM570 | G3115 SPA-H |
| GB | GB712 EH36 | GB712 AH36 | GB712 EH36 |
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Advantages of Hull Plates
Our hull plates are designed to meet the highest industry standards, ensuring durability, strength, and corrosion resistance for marine applications. Here’s why our hull plates stand out:
1. High-Quality Material
- Manufactured from premium-grade carbon steel, stainless steel, and aluminum alloys, ensuring excellent mechanical properties.
- Compliance with international standards such as ABS, DNV, BV, LR, and CCS for shipbuilding applications.
2. Superior Corrosion Resistance
- Specially treated to withstand saltwater environments and harsh marine conditions.
- Options for galvanized or coated surfaces to enhance longevity.
3. Excellent Strength & Toughness
- High tensile strength and impact resistance to endure high pressure and extreme weather conditions at sea.
- Optimized thickness and composition to maintain structural integrity.
4. Precision Manufacturing
- Advanced rolling and heat treatment processes ensure uniform thickness, smooth surfaces, and minimal defects.
- Custom cutting and shaping available to fit specific ship designs.
5. Cost-Effective & Reliable
- Competitive pricing without compromising on quality.
- Reduced maintenance costs due to superior durability.
6. Wide Range of Applications
- Suitable for various marine structures, including cargo ships, tankers, offshore platforms, and naval vessels.
- Available in custom sizes and thicknesses to meet project requirements.
7. Fast & Efficient Supply
- Large inventory and quick delivery to ensure timely project completion.
- Global shipping with secure packaging to prevent damage during transportation.
Looking for reliable shipbuilding steel plate for your shipbuilding needs? Contact us today for pricing, availability, and customization options!
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Application of Sheet Metal Hull
1. Hull Structure Construction
Bottom plate: 12-40mm thick EH36 steel plate
Side outer plate: laser cut into arc-shaped plate (accuracy ±1.5mm)
Deck: anti-slip treatment (Rz=50-80μm)
2. Special Ship Cases
LNG carrier: EH36 steel plate for -165℃ cryogenic storage tank
Icebreaker: DH36 double-layer hull structure design
RoRo ship: AH36 high-precision flatness (≤3mm/㎡)
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China Shipbuilding Steel Plates FAQ
What is Shipbuilding Steel?
Shipbuilding steel is a high-strength, corrosion-resistant structural steel used in constructing ships, offshore platforms, and marine structures. It must withstand harsh marine environments and meet international classification standards (e.g., ABS, DNV, LR, BV, CCS).
What Kind of Steel is Used in Shipbuilding?
Common types include:
Carbon Steel (e.g., A36, AH36, DH36) – High strength and cost-effective.
Stainless Steel – Used for specific corrosion-prone areas.
Aluminum Alloys – Lightweight for high-speed vessels.
How to Choose Thickness for Hull Plates?
Based on ship type and classification rules.
Small boats: 6-12mm, large ships: 15-50mm.
Higher thickness in critical areas like the keel and bottom.
Follow standards like ABS, DNV, or BV for specific ship designs.
What is the Difference Between AH36 and DH36 Steel?
Both are high-strength shipbuilding steels with a yield strength of 355 MPa.
AH36: Used in normal temperature conditions.
DH36: Has better toughness and is used in low-temperature environments.
Contact Us For China Shipbuilding Steel Plates Prices
Our hull steel plates are manufactured through strict production processes and have superior properties such as high strength, corrosion resistance, and impact resistance. They are widely used in shipbuilding fields such as cargo ships, tankers, offshore platforms, and warships.
All products comply with international certification standards such as ABS, DNV, BV, LR, and CCS to ensure long-term service in harsh marine environments. At the same time, we provide customized sizes, fast delivery, and high-quality after-sales service to help you reduce costs and improve project efficiency. Contact us now to get the latest ship plate quotes and professional purchasing advice!
Huaxiao Metal Products
As a global steel supplier and manufacturer, Huaxiao offers a wide range of steel products for all your needs. Explore some of our most popular steel products.
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