Why Choose GNEE's 5083 and 5383 Aluminum Square Bars?
GNEE's aluminum square bars adhere to the highest global quality standards, including certifications from major classification societies such as
China Classification Society (CCS)
Det Norske Veritas (DNV)
Nippon Kaiji Kyokai (NK)
American Bureau of Shipping (ABS)
Bureau Veritas (BV)
Lloyd's Register (LR)
Korean Register (KR)
GNEE fully implements international quality management systems for the shipbuilding industry to ensure our 5083 and 5383 aluminum square bars deliver exceptional performance in corrosion resistance, weldability, and impact resistance, meeting the rigorous standards of marine and shipbuilding applications.
Specifications of 5083 and 5383 Aluminum Square Bars
5083 Aluminum Square Bar
Cross-Section Dimensions: Typically ranges from 10mm to 220mm. Custom sizes may be available.
Length Specifications: Standard lengths are 3000mm, 4000mm, and 6000mm, with options up to 12000mm as needed.
Temper Conditions: Supplied in O (annealed), H112 (strain hardened + partially annealed), H116 (strain hardened + stabilized), and H321 (strain hardened + partially annealed).
Standards: Complies with ASTM B221, ASME SB211, GB/T 3191, JIS H4040, and more.
5383 Aluminum Square Bar
Cross-Section Dimensions: Ranges from 10mm to 220mm, with custom options available.
Length Specifications: Standard lengths are 3000mm, 4000mm, and 6000mm, with flexibility for custom sizes.
Temper Conditions: Supplied in O (annealed), H112 (strain hardened + partially annealed), H116 (strain hardened + stabilized), and H321 (strain hardened + partially annealed).
Standards: Conforms to ASTM B221, ASME SB211, GB/T 3191, and is certified by DNV, ABS, LR, etc.
Chemical Composition of 5083 and 5383 Alloy
| Element | 5083 (%) | 5383 (%) |
|---|---|---|
| Si | 0.40 | 0.25 |
| Fe | 0.40 | 0.25 |
| Cu | 0.10 | 0.20 |
| Mn | 0.40–1.00 | 0.70–1.00 |
| Mg | 4.00–4.90 | 4.0–5.20 |
| Cr | 0.05–0.25 | 0.25 |
| Zr | - | - |
| Zn | 0.25 | 0.40 |
| Ti | 0.15 | 0.15 |
| Al | Remainder | Remainder |
Mechanical Properties of 5083 and 5383 Aluminum Square Bars
| Alloy | Temper | Inscribed Circle Diameter (mm) | Tensile Strength (N/mm²) | Yield Strength (N/mm²) | Elongation (%) |
|---|---|---|---|---|---|
| 5083 | O | ≤12.50 | 270–350 | 110 | 14 |
| >12.50–200.00 | 270 | 12 | - | ||
| H112 | ≤12.50 | 270 | 125 | 12 | |
| >12.50–200.00 | 270 | 12 | - | ||
| 5383 | O | ≤12.50 | 290 | 145 | 17 |
| >12.50–50.00 | 290 | 17 | - | ||
| H112 | ≤12.50 | 310 | 190 | 13 | |
| >12.50–50.00 | 310 | 13 | - |
Dimensional Tolerances of 5083 and 5383 Aluminum Square Bars
| Tolerance Item | Standard Tolerance | High Precision Tolerance |
|---|---|---|
| Side Length ≤ 50mm | ±0.40 mm | ±0.25 mm |
| Side Length > 50mm | ±0.50 mm | ±0.30 mm |
| Straightness | 3 mm/m | 2 mm/m |
| Angular Tolerance | ±0.5° | ±0.3° |
| Corner Radius | 2.0–3.0 mm | 1.5–2.5 mm |
GNEE offers these aluminum square bars in both standard and high-precision tolerances to meet specific application needs, ensuring excellent mechanical properties and dimensional accuracy.
