5083 Aluminum Tube Supplier — Marine-Grade Pipe & Tube (OD 6–300 mm) | H116 / H321 / O | ASTM B210 / EN 573 | Mill Test Certificates | MOQ 500 kg | Quote in 24h
5083 Aluminum Tubes — Marine-Grade Pipe & Tube Supplier
HXM Aluminum supplies 5083 aluminum tubes and pipes for marine, offshore, pressure vessel and cryogenic applications. 5083 is the benchmark marine-grade alloy, combining high strength, excellent saltwater corrosion resistance and outstanding weldability. We stock and produce OD 6–300 mm seamless and welded tubes in tempers O, H111, H112, H116 and H321, with cut-to-length and chamfered ends. Request a quote or WhatsApp us for 5083 tube pricing and delivery.
5083 Aluminum Tube Specifications
| Property | Value / Range |
|---|---|
| Alloy | 5083 (AlMg4.5Mn, EN AW-5083, A95083) |
| Product forms | Round tube, round pipe, square/rectangular tube on request |
| Outer diameter (OD) | 6 mm – 300 mm (custom up to 500 mm) |
| Wall thickness | 0.5 mm – 30 mm |
| Length | 1000 mm – 12000 mm; cut-to-length available |
| Temper | O, H111, H112, H116, H321 |
| Standards | ASTM B210, ASTM B241, EN 573-3, EN 755-8, GB/T 4437 |
| Density | 2.66 g/cm³ |
| Surface | Mill finish, anodized-ready, polished |
| End finish | Plain, deburred, chamfered, threaded on request |
| MOQ | 500 kg per size; mixed load negotiable |
| Lead time | 7 – 25 days (stock sizes ships in 3 – 5 days) |
5083 Aluminum Tube Chemical Composition (%)
| Element | Min | Max |
|---|---|---|
| Mg | 4.00 | 4.90 |
| Mn | 0.40 | 1.00 |
| Fe | — | 0.40 |
| Si | — | 0.40 |
| Cu | — | 0.10 |
| Zn | — | 0.25 |
| Cr | 0.05 | 0.25 |
| Ti | — | 0.15 |
| Al | Remainder | Remainder |
Mechanical Properties of 5083 Aluminum Tube by Temper
| Temper | Tensile (MPa) | Yield (MPa) | Elongation % | Typical Use |
|---|---|---|---|---|
| O | 270 – 345 | 115 – 165 | 20 – 26 | Bending, forming |
| H111 | 275 – 350 | 125 – 175 | 18 – 24 | Welded piping |
| H112 | 285 – 360 | 135 – 185 | 16 – 22 | Marine structural tube |
| H116 | 305 – 380 | 215 – 270 | 12 – 18 | Marine hull, saltwater service |
| H321 | 305 – 385 | 220 – 275 | 10 – 16 | High-strength marine plate/tube |
5083 Aluminum Tube OD & Wall Thickness Tolerances
| OD Range | OD Tolerance | Wall Thickness Tolerance |
|---|---|---|
| 6 – 20 mm | ± 0.15 mm | ± 0.10 mm |
| 20 – 50 mm | ± 0.25 mm | ± 0.12 mm |
| 50 – 100 mm | ± 0.40 mm | ± 0.15 mm |
| 100 – 200 mm | ± 0.60 mm | ± 0.20 mm |
| > 200 mm | ± 1.00 mm or per agreement | ± 0.25 mm or per agreement |
Tighter tolerances available for precision mechanical and hydraulic applications. Send your drawing for a tailored quote.
5083 Aluminum Tube Equivalent Grades & Standards
| Standard / Region | Designation |
|---|---|
| ASTM | B210 (drawn seamless), B241 (seamless pipe) |
| EN | EN AW-AlMg4.5Mn0.7 / EN 573-3 / EN 755-8 |
| UNS | A95083 |
| GB | 5A05 / GB/T 4437 |
| Marine certifications | Mill cert, EN 10204 3.1, chemical & mechanical test report |
5083 vs 5086 vs 5052 Aluminum Tube: Which One to Choose?
| Property | 5083 Tube | 5086 Tube | 5052 Tube |
|---|---|---|---|
| Mg content | 4.0 – 4.9% | 3.5 – 4.5% | 2.2 – 2.8% |
| Tensile strength | 270 – 385 MPa | 240 – 450 MPa | 170 – 305 MPa |
| Marine corrosion | Excellent | Excellent | Very good |
| Weldability | Excellent | Excellent | Excellent |
| Best for | High-strength marine pipe | Welded marine structures | General forming, fluid lines |
For general-purpose tubes and bending, see 5052 aluminum tubes; for the same 5000-series family overview, visit 5052 alloy hub.
Applications of 5083 Aluminum Tubes
- Marine piping and hydraulic lines
- Boat hulls, decks and railings
- Offshore platform structural tubes
- Pressure vessels and cryogenic tanks
- Desalination and chemical processing equipment
- Defense and naval superstructures
Welding & Fabrication Guidance for 5083 Tube
| Parameter | Recommendation |
|---|---|
| Recommended filler | ER5356 or ER5556 for matching strength |
| Shielding gas | Argon or argon-helium mix |
| Preheat | Generally not required for sections < 25 mm |
| Post-weld heat treatment | Not required |
| Bending | O temper recommended; minimum bend radius ≥ 2× OD |
| Machining | Use sharp carbide tools; avoid work hardening |
See our aluminum welding guide for detailed filler-wire selection and parameter tables.
Packaging, Inspection & Delivery
5083 tubes are bundled by OD/wall, capped at both ends, wrapped with VCI film and waterproof paper, then loaded into plywood crates or steel racks for ocean freight. Each shipment includes mill test certificate (MTC), chemical and mechanical reports, and EN 10204 3.1 on request. Third-party inspection (SGS, BV, TÜV) can be arranged.
Related Aluminum Tubes & Bars
Browse related marine-grade and structural products:
- 5052 aluminum tubes — medium-strength tubes for general forming
- 5086 aluminum tubes — same marine family in tube form
- 7005 aluminum tubes — high-strength weldable extrusions
- 5083 aluminum round bar — solid rod for high-load marine parts
- 5052 vs 5083 marine guide — alloy selection for saltwater projects
Frequently Asked Questions
What is 5083 aluminum tube used for?
5083 aluminum tube is used for marine piping, boat hulls, offshore platform structures, pressure vessels, cryogenic tanks and chemical processing equipment that require high strength and saltwater corrosion resistance.
What OD and wall thickness ranges do you offer?
We supply 5083 aluminum tube with OD from 6 mm to 300 mm and wall thickness from 0.5 mm to 30 mm. Larger sizes and special profiles are available on request.
Is 5083 tube suitable for marine use?
Yes. 5083 is a marine-grade alloy. Tempers H116 and H321 are specifically selected for saltwater service because they resist intergranular corrosion and stress corrosion.
What tempers are available for 5083 aluminum tubes?
Common tempers are O, H111, H112, H116 and H321. O temper is best for bending, while H116/H321 are preferred for structural marine applications.
What is the MOQ for 5083 aluminum tubes?
MOQ is 500 kg per size. Mixed loads and trial orders are negotiable.
How long is the lead time?
Stock sizes ship in 3 – 5 days; production and cutting typically take 7 – 25 days depending on quantity and specifications.
Can 5083 tube be welded?
Yes. 5083 has excellent weldability. Use ER5356 or ER5556 filler wire with argon shielding gas. Post-weld heat treatment is not required.
What filler wire should I use for 5083 tube?
ER5356 is the standard choice for most 5083 welds. ER5556 is used when higher weld strength is required.
How does 5083 tube compare to 5086 tube?
5083 offers higher as-welded strength and is the first choice for heavy marine structures. 5086 is slightly more formable and economical for lighter welded frames.
How does 5083 tube compare to 5052 tube?
5083 is stronger and more corrosion-resistant in saltwater, making it better for marine and offshore. 5052 is easier to form and is ideal for general fluid lines and decorative parts.
What certificates do you provide?
We provide Mill Test Certificate (MTC), chemical composition report, mechanical test report and EN 10204 3.1 on request.
How do I request a quote?
Send us your required OD, wall thickness, temper, quantity and destination port. We will reply within 24 hours by email or WhatsApp.
Ready to Order 5083 Aluminum Tubes?
Send us OD, wall thickness, temper, quantity and destination port. HXM Aluminum delivers marine-certified 5083 tubes worldwide.
