AH36 / DH36 Steel Plate — Marine Grade Structural Steel for Heavy Shipbuilding Performance
AH36 and DH36 steel plates are high-strength shipbuilding steel grades designed for marine hull structures, offshore platforms, and ocean-going vessels.
These steels are engineered to withstand wave impact, seawater corrosion stress, and low-temperature marine environments, making them essential materials for modern ship construction.
✔ Marine-grade high strength structural steel
✔ Excellent toughness for low-temperature seawater environments
✔ Approved for ship hull and offshore structural use
✔ Stable weldability for large-scale fabrication
As a professional AH36 DH36 steel plate supplier and exporter, we provide ABS-grade compliant materials with stable stock, competitive pricing, and global marine project supply capability.
AH36 / DH36 Steel Plate Supply (Stock, Size & Export Ready)
We supply marine grade AH36 DH36 shipbuilding steel plates for shipyards, offshore contractors, and structural fabricators.
- Standard: ASTM / ABS / BV / LR / DNV marine standards
- Grades: AH36 / DH36
- Thickness Range: 6mm – 100mm
- Width Range: 1500mm – 3500mm
- Length: 6000mm – 18000mm (custom cutting available)
- Delivery Condition: Hot Rolled / Normalized / TMCP
- Surface: Black / Shot blasted / Oiled
- MOQ: 10–25 tons
- Supply Type: Stock + Mill production + Export consolidation
AH36 / DH36 Chemical Composition
The AH36 DH36 steel chemical composition is controlled to ensure weldability, strength, and marine corrosion resistance.
- Carbon (C): ≤ 0.18%
- Silicon (Si): 0.10% – 0.50%
- Manganese (Mn): 0.90% – 1.60%
- Phosphorus (P): ≤ 0.025%
- Sulfur (S): ≤ 0.025%
- Niobium (Nb): ≤ 0.05%
- Vanadium (V): ≤ 0.10%
- Aluminum (Al): ≥ 0.015% (grain refinement)
These controlled elements improve toughness and weld integrity for marine environments.
AH36 / DH36 Mechanical Properties
The AH36 DH36 mechanical properties are optimized for ship hull structural performance under dynamic loading.
| Property | AH36 | DH36 |
|---|---|---|
| Yield Strength | ≥ 355 MPa | ≥ 355 MPa |
| Tensile Strength | 490 – 620 MPa | 490 – 620 MPa |
| Elongation | ≥ 21% | ≥ 21% |
| Impact Toughness | 0°C | -20°C |
| Service Environment | General marine | Low temperature offshore |
DH36 provides enhanced low-temperature toughness for Arctic and offshore environments.
AH36 / DH36 Steel Plate Applications
The shipbuilding AH36 DH36 steel plate is widely used in marine engineering and offshore industries:
- Ship hull structural plates
- Offshore platform structural components
- Marine deck and bottom plating
- Bulk carriers and container ships
- Oil tanker structural fabrication
- Naval and auxiliary vessels
- Ocean engineering structures
It is a core material for ABS/DNV-class certified shipbuilding projects.
Why Choose Our AH36 DH36 Steel Plate Supplier
Choosing the right shipbuilding steel supplier ensures safety, certification compliance, and long-term marine performance.
- Stable stock for urgent ship repair and construction
- Competitive export pricing for bulk marine procurement
- Full MTC certification (EN 10204 3.1 / classification certificates)
- ABS / BV / LR / DNV classification support
- Precision cutting for shipyard fabrication requirements
- Strict ultrasonic and quality inspection before shipment
- Global shipbuilding and offshore supply experience
AH36 / DH36 Steel Plate Packaging, Transportation & Shipping
We provide professional marine-grade export packaging and logistics for AH36 DH36 steel plates to ensure safe delivery for shipbuilding projects worldwide.
Packaging
- Heavy-duty steel strip bundling with reinforced edges
- Anti-rust oil coating for seawater transport protection
- Waterproof plastic film wrapping
- Wooden pallet or steel frame reinforcement (optional)
- Clear marking: grade, heat number, classification stamp, size
Transportation
- Inland truck delivery to port warehouses
- Container shipping or bulk vessel shipment based on plate size
- Reinforced loading to prevent deformation during sea transport
- Cargo insurance available for marine and offshore shipments
Shipping & Delivery
- Stock delivery: 7–15 days
- Production lead time: 20–40 days
- Global export: Southeast Asia, Europe, Middle East, South America, Africa
- Trade terms: FOB / CFR / CIF supported
We ensure safe, traceable, and classification-compliant delivery for shipbuilding projects.
AH36 / DH36 Steel Plate FAQ
1. What is the price of AH36 DH36 steel plate?
The price depends on thickness, classification requirement, quantity, and steel market conditions. We provide project-based marine steel pricing for shipyards and EPC contractors.
2. What is AH36 DH36 steel plate used for?
It is used for ship hull construction, offshore platforms, marine structures, and ocean-going vessels requiring high strength and toughness.
3. What is the difference between AH36 and DH36 steel plate?
Both have similar strength, but DH36 offers better low-temperature impact toughness, making it suitable for colder marine environments and offshore applications.
4. What is the delivery time and packaging for AH36 DH36 steel plate export orders?
Stock orders ship in 7–15 days, production orders take 20–40 days. All shipments use marine-grade export packaging with anti-rust protection and reinforced bundling suitable for ocean transport.