Marine Aluminum Products for Shipbuilding and Offshore
Shenzhen Chinalcometal provides a full range of marine-grade aluminum products for shipbuilding, offshore platforms, and marine engineering, engineered for excellent corrosion resistance, high strength, lightweight construction, and long-term durability in harsh seawater environments. Our products are widely used in ship hulls, decks, superstructures, piping, structural parts, and marine hardware. We supply products in alloys including 5083, 5086, 5052, 5456, 6061, and 6082, all meeting international standards such as ASTM, EN, ISO, as well as major classification society certifications (ABS, DNV, LR, BV, CCS).
Our Marine Aluminum Product Range:
Marine Aluminum Plate
Alloys: 5083, 5086, 5052, 5456, 6061, 6082
Tempers: H111/H116/H321/H32/H34/T6/T651
Marine Aluminum Tube
Alloys: 5083, 5086, 5052, 6061, 6082
Tempers: H112/HO/H32/T6/T651
Marine Aluminum Bar (Round, Flat, Square)
Alloys: 5083, 5086, 5052, 6061, 6082
Tempers: H112/HO/H32/T6/T651
Marine Aluminum Welding Wire
Alloys: ER5356, ER5183, ER5556, ER4043
Marine Aluminum Standards
| Product | EN Standard | ASTM Standard | Other |
|---|---|---|---|
| Plate | EN 485-2, EN 573-3 | ASTM B209 | DNV / Lloyd’s Register / American Bureau of Shipping / Bureau Veritas / China Classification Society |
| Tube | EN 755-8 | ASTM B241 / B210 | ISO 6361 |
| Bar | EN 755-2 | ASTM B211 | ISO 6361 |
| Welding Wire | EN 755-9 | AWS A5.10 | AWS A5.10 / ISO 18273 |
| Transition Joint | EN 1999 | – | Project-specific |
Mill test certificates available: EN 10204 3.1 / 3.2
Marine Aluminum Plate
Marine Aluminum Plate for Shipbuilding & Offshore Structures
Marine aluminum plate is widely used in ship hulls, decks, superstructures, and offshore platforms due to its excellent corrosion resistance, high strength-to-weight ratio, and weldability.
Available Alloys & Tempers
5086 H116 / H321
5052 H32 / H34
5456 H116 / H321
6061 T6 / T651
6082 T6 / T651
Standards & Size Range
| Alloy | Standard | Typical Tempers | Size Range |
|---|---|---|---|
| 5083 | ASTM B928 / B209 EN 485 / EN 573 ABS, DNV, LR EN 10204 3.1 / 3.2 | H111, H116, H321 | Thickness: 3–200 mm Width: 100–3000 mm Length: 100–12,000 mm |
| 5086 | — | H111, H116, H321 | — |
| 5052 | — | H32, H34 | — |
| 5456 | — | H116, H321 | — |
| 6061 | — | T6, T651 | — |
| 6082 | — | T6, T651 | — |
Mechanical Properties
| Alloy | Temper | Yield Strength (MPa) | Tensile Strength (MPa) | Elongation (%) |
|---|---|---|---|---|
| 5083 | H116 | ≥215 | 305–345 | ≥12 |
| 5086 | H116 | ≥200 | 290–330 | ≥12 |
| 5052 | H32 | ≥193 | 228–276 | ≥12 |
| 6061 | T6 | ≥240 | 260–310 | ≥8 |
| 6082 | T6 | ≥250 | 290–340 | ≥8 |
Detailed Usage & Machined Parts
Hull shell plating (side shell, bottom plating)
Main and secondary decks
Watertight and non-watertight bulkheads
Superstructure panels (bridge, accommodation blocks)
Hatch covers and access plates
Engine room flooring and protective plates
Marine Aluminum Tube
Marine Aluminum Tube for Piping & Structural Applications
Marine aluminum tubes provide excellent seawater corrosion resistance, lightweight construction, and reliable performance in offshore environments.
Available Alloys & Tempers
5086 H112 / HO
5052 O / H32
6061 T6 / T6511
6082 T6 / T6511
Standards & Size Range
| Alloy | Standard | Typical Tempers | Size Range |
|---|---|---|---|
| 5083 | ASTM B210 / B241 EN 755 / 754 GB/T 4437 ABS, DNV, LR EN 10204 3.1 / 3.2 | H112, HO | OD: 6–360 mm Wall Thickness: 1–40 mm Length: 1–30 m |
| 5086 | — | H112, HO | — |
| 5052 | — | H32, HO | — |
| 6061 | — | T6, T6511 | — |
| 6082 | — | T6, T6511 | — |
Mechanical Properties
| Alloy | Temper | Yield Strength (MPa) | Tensile Strength (MPa) | Elongation (%) |
|---|---|---|---|---|
| 5083 | H112 | ≥145 | 275–330 | ≥14 |
| 5052 | H32 | ≥193 | 228–276 | ≥12 |
| 6061 | T6 | ≥240 | 260–310 | ≥8 |
| 6082 | T6 | ≥250 | 290–340 | ≥8 |
Typical Machined & Fabricated Parts
Hydraulic oil lines and cooling pipes
Seawater and freshwater piping systems
Mast structures and antenna supports
Handrails, guardrails, and safety barriers
Frame tubes for lifeboats and gangways
Structural truss tubes for offshore platforms
Marine Aluminum Bar (Round / Flat / Square)
Marine Aluminum Bar for Marine Hardware & Structural Parts
Marine aluminum bars offer excellent machinability, corrosion resistance, and mechanical strength for marine components.
Available Alloys & Tempers
5086 H112 / HO
5052 O / H32
6061 T6 / T6511
6082 T6 / T6511
Standards & Size Range
| Alloy | Standard | Typical Tempers | Size Range |
|---|---|---|---|
| 5083 | ASTM B221 EN 755 GB/T 3191 ABS, DNV, LR EN 10204 3.1 / 3.2 | H112, HO | Round bar: Ø1–600 mm Flat bar: 3–350 mm thickness Square bar: 6–150 mm Length: 1–30 m |
| 5086 | — | H112, HO | — |
| 5052 | — | H32, HO | — |
| 6061 | — | T6, T6511 | — |
| 6082 | — | T6, T6511 | — |
Mechanical Properties
| Alloy | Temper | Yield Strength (MPa) | Tensile Strength (MPa) | Elongation (%) |
|---|---|---|---|---|
| 5083 | H112 | ≥145 | 275–330 | ≥14 |
| 6061 | T6 | ≥240 | 260–310 | ≥8 |
| 6082 | T6 | ≥250 | 290–340 | ≥8 |
| 5052 | H32 | ≥193 | 228–276 | ≥12 |
Detailed Usage & Machined Parts
Structural stiffeners and frames
Brackets and mounting bases
Shaft sleeves and spacers
Winch and pulley components
Engine and pump support blocks
Deck equipment bases and adapters
Marine Aluminum Welding Wire
Marine Aluminum Welding Wire for Shipbuilding & Offshore Welding
Marine aluminum welding wire ensures high joint strength, corrosion resistance, and crack resistance in marine environments.
Available Alloys
ER5183
ER5556
ER4043
Standards & Size Range
| Alloy | Standard | Size Range |
|---|---|---|
| ER5356 | AWS A5.10 EN ISO 18273 ABS, DNV, LR EN 10204 3.1 / 3.2 | Diameter: 0.8–5.0 mm Form: Spool / Coil |
| ER5183 | — | — |
| ER5556 | — | — |
| ER4043 | — | — |
Mechanical Properties
| Alloy | Tensile Strength (MPa) | Elongation (%) |
|---|---|---|
| ER5356 | ≥240 | ≥17 |
| ER5183 | ≥270 | ≥15 |
| ER5556 | ≥290 | ≥12 |
| ER4043 | ≥170 | ≥12 |
Detailed Usage & Machined / Welded Parts
Hull plate welding and panel joining
Deck and bulkhead seam welding
Repair of corrosion-damaged sections
Offshore platform structural joints
Aluminum pipe and tube connections
Superstructure and railing assembly




