5083 Aluminum Square Bar
GNEE's 5083 aluminum square bar is a widely used aluminum-magnesium alloy known for its excellent corrosion resistance and weldability, making it suitable for ship structures, pressure vessels, and cryogenic equipment. Key characteristics include:
Excellent corrosion resistance
Good weldability
Medium strength
5383 Aluminum Square Bar
The 5383 aluminum square bar is an enhanced version of 5083, offering higher strength and hardness while retaining outstanding corrosion resistance. It is ideal for applications requiring superior material performance. Key features include:
Higher strength
Greater hardness
Excellent low-temperature performance
Why Choose GNEE's 5083 and 5383 Aluminum Square Bars?
GNEE's aluminum square bars strictly adhere to the quality standards of leading international classification societies, including CCS, DNV, NK, ABS, BV, LR, and KR.
5083 & 5383 O H112 Marine Aluminum Square Bars
GNEE implements comprehensive international quality management systems for the shipbuilding industry, ensuring that its 5083 and 5383 aluminum square bars deliver exceptional seawater corrosion resistance, weldability, and impact resistance. These bars meet the stringent performance requirements of marine and shipbuilding applications.
Specifications of 5083 Aluminum Square Bars
Cross-Section Dimensions: Side lengths typically range from 10mm to 220mm. Larger custom sizes are available upon request.
Length Specifications: Standard lengths include 3000mm, 4000mm, and 6000mm, with custom lengths from 1000mm to 12000mm supported.
Temper Conditions: Available in O (annealed), H112 (strain hardened + partially annealed), H116 (strain hardened + stabilized), and H321 (strain hardened + partially annealed) to suit different processing and application needs.
Standards: Compliant with ASTM B221, ASME SB211, GB/T 3191, JIS H4040, and other international and national standards.
Specifications of 5383 Aluminum Square Bars
Cross-Section Dimensions: Similar to 5083, generally ranging from 10mm to 220mm, with larger sizes available on request.
Length Specifications: Standard lengths include 3000mm, 4000mm, and 6000mm, with custom lengths provided based on requirements.
Temper Conditions: Offered in O, H112, H116, and H321 tempers to meet various application scenarios.
Standards: Compliant with ASTM B221, ASME SB211, and GB/T 3191, and certified by classification societies such as DNV, ABS, and LR.
Chemical composition of 5083 5383 alloy
| Chemical | 5083 element % | 5383 element % |
| 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 |
Property of 5083 5383 aluminum square bar
| Alloy | Temper | Inscribed circle diameter of square bar (mm) | Tensile Strength (N/mm²) | Yield Strength (N/mm²) | Elongation /% | |
| A | A50 mm | |||||
| Not less than | ||||||
| 5083 | O | ≤12.50 | 270-350 | 110 | - | 14 |
| >12.50-200.00 | 270 | 12 | - | |||
| H112 | ≤12.50 | 270 | 125 | - | 12 | |
| >12.50-200.00 | 12 | - | ||||
| 5383 | O | ≤12.50 | 290 | 145 | - | 17 |
| >12.50-50.00 | 17 | - | ||||
| H112 | ≤12.50 | 310 | 190 | - | 13 | |
| >12.50-50.00 | 13 | - | ||||
Tolerance of 5083 5383 aluminum square bar
Dimensional Tolerances for 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 | 2.0-3.0mm | 1.5-2.5mm |
Comparison of Different Standard Tolerances
The following table compares the tolerances of 5083 and 5383 aluminum square bars under different standards:
| Tolerance Item | ISO 6362-5:2022 | ASTM B221-21 | High Precision Standard |
| Side Length ≤ 50mm | ±0.40 mm | ±0.50 mm | ±0.25 mm |
| Side Length > 50mm | ±0.50 mm | ±0.60 mm | ±0.30 mm |
| Straightness | 3 mm/m | 4 mm/m | 2 mm/m |
| Corner Radius | 2.0-3.0mm | 2.0-3.5mm | 1.5-2.5mm |
