5052 Aluminum Sheet 6.35mm Thickness for Structural Components – High-Strength, Corrosion-Resistant Material for Demanding Applications | Gwangyang Aluminum (GYAL)
Introduction: Engineered for Structural Excellence
When structural integrity, corrosion resistance, and lightweight performance are non-negotiable, 5052 aluminum sheet in 6.35mm (¼ inch) thickness stands as a premier choice for engineers and fabricators worldwide. This versatile alloy delivers the ideal balance of strength, formability, and durability required for demanding structural applications across marine, automotive, industrial, and architectural sectors.
Gwangyang Aluminum (GYAL), a leading South Korean manufacturer, produces premium 5052 aluminum sheet with thicknesses ranging from 0.3mm to 6.35mm, offering exceptional flexibility for everything from thin-gauge components to robust structural parts. With an annual production capacity of 120,000 tons and state-of-the-art facilities spanning 50,000 sq.m., GYAL is a trusted global supplier for OEMs and fabricators worldwide.
Why 5052 Aluminum for Structural Components?
5052 aluminum alloy belongs to the 5000-series Al-Mg family, with magnesium content of approximately 2.2–2.8%. This composition provides a unique combination of properties that make it ideal for structural applications:
1. High Strength-to-Weight Ratio
With a density of approximately 2.68 g/cm³—roughly one-third that of steel—5052 aluminum delivers exceptional strength without the weight penalty of traditional materials. In H32 temper, 5052 achieves tensile strength of 210–260 MPa and yield strength of ≥130 MPa. This remarkable strength-to-weight ratio allows for lighter structural designs that reduce overall load and improve energy efficiency.
2. Superior Corrosion Resistance
5052 aluminum is renowned for its outstanding resistance to corrosion, particularly against seawater and marine atmospheres. The alloy passes ASTM B117 salt-spray testing for 480 hours, making it ideal for coastal infrastructure, shipbuilding, and marine equipment that face constant saltwater exposure. This corrosion resistance significantly extends service life compared to steel alternatives.
3. Excellent Weldability and Formability
5052 aluminum offers excellent weldability, compatible with TIG and MIG welding processes without compromising mechanical properties. Its good formability allows for bending, stamping, and fabrication into complex structural shapes. The H32 temper in particular provides predictable bending behavior, especially when grain direction and inside bend radius are controlled.
4. High Fatigue Strength
5052 aluminum exhibits medium to high fatigue strength, ensuring structural reliability and durability even under harsh working conditions. This makes it particularly suitable for components subject to cyclic loading, such as marine hulls, automotive frames, and industrial machinery.
5. Non-Magnetic and Non-Heat Treatable
5052 aluminum is non-magnetic and non-heat treatable, with good workability that simplifies fabrication processes.

6.35mm Thickness: The Structural Sweet Spot
At 6.35mm (¼ inch), 5052 aluminum sheet provides the ideal balance of strength, rigidity, and formability for structural applications. This thickness offers:
Exceptional load-bearing capacity – Suitable for primary structural components
Excellent weldability – Compatible with standard welding processes
Superior corrosion resistance – Ideal for harsh environments
Reduced weight compared to steel – Up to 66% lighter than equivalent steel plates
Cost-effective fabrication – Easy to cut, drill, and form
Key Applications of 6.35mm 5052 Structural Sheet
Marine & Shipbuilding
Boat hulls, decks, and superstructures
Marine hardware and offshore structures
Shipbuilding components requiring saltwater resistance
Automotive & Transportation
Structural parts, frames, and reinforcement beams
Truck trailers and railway components
Fuel tanks and chassis components
Industrial & General Engineering
Storage tanks and pressure vessels
Machinery parts and equipment frames
Structural panels and fabrication projects
Architecture & Construction
Building facades and wall cladding
Structural panels for commercial buildings
Roofing sheets and exterior cladding
Technical Specifications – 5052 Aluminum Sheet 6.35mm
| Parameter | Specification |
|---|---|
| Alloy | 5052 (Al-Mg) |
| Temper | H32, H34, H112 (H32 most common for structural) |
| Thickness | 6.35 mm (0.25 inch) |
| Width | 900 – 1,525 mm |
| Length | 1,000 – 6,100 mm (customizable) |
| Tensile Strength (H32) | 210 – 260 MPa |
| Yield Strength (H32) | ≥130 MPa |
| Elongation | ≥10% |
| Hardness (Brinell) | 61 HB |
| Density | 2.68 g/cm³ |
| Corrosion Resistance | ASTM B117: 480+ hours salt spray |
| Standards | ASTM B209, EN, JIS |
| Certifications | IATF 16949:2016, ISO 9001:2015 |
Why Choose Gwangyang Aluminum as Your 5052 Supplier?
1. Certified Quality & International Standards
Gwangyang Aluminum is proudly certified to IATF 16949:2016 (automotive quality management) and ISO 9001:2015 (Quality Management System). Our 5052 alloy strictly adheres to ASTM B209 standards, ensuring consistent quality, reliability, and performance. Every order includes certified Mill Test Reports (MTRs) that trace material properties back to ASTM B209 specifications.
2. End-to-End Manufacturing Control
As an integrated manufacturer, Gwangyang controls the entire production process—from melting and casting to precision rolling and finishing. Our advanced facility houses hot and cold rolling mills, annealing furnaces, tension leveling machines, and slitting lines. This end-to-end control guarantees batch-to-batch consistency and reliable material properties.
3. Massive Production Capacity
With an annual production capacity of 120,000 tons, Gwangyang is equipped to fulfill large and recurring OEM orders without delay. Our strategic location in Gwangyang-Si, Jeollanam-Do, Korea, ensures timely delivery to global markets.
4. Factory-Direct Pricing & Customization
As a direct manufacturer and exporter, Gwangyang eliminates unnecessary intermediaries, translating to more competitive pricing. We offer flexible customization according to customer specifications, including custom lengths, widths, and tempers.
5. Global Export Experience
Gwangyang serves clients worldwide with just-in-time (JIT) delivery capabilities. Our products are trusted in demanding sectors across marine, automotive, construction, and industrial engineering.
Conclusion
For engineers, fabricators, and procurement professionals seeking a reliable, high-performance material for structural components, 5052 aluminum sheet 6.35mm thickness from Gwangyang Aluminum delivers the strength, corrosion resistance, and weldability that demanding applications require. With IATF 16949 and ISO 9001 certification, factory-direct pricing, and global export capabilities, Gwangyang Aluminum is your trusted partner for structural aluminum solutions.
Contact Gwangyang Aluminum today for a quotation, technical data sheets, or to discuss your custom specifications.
FAQ – 5052 Aluminum Sheet 6.35mm for Structural Components
Q1: What is the typical tensile strength of 5052 H32 aluminum sheet at 6.35mm thickness?
A: 5052 H32 aluminum sheet typically offers tensile strength of 210–260 MPa and yield strength of ≥130 MPa, providing excellent structural integrity for demanding applications.
Q2: Is 6.35mm 5052 aluminum sheet suitable for marine environments?
A: Yes. 5052 aluminum is renowned for its outstanding resistance to seawater and marine atmospheres. It passes ASTM B117 salt-spray testing for 480 hours, making it ideal for boat hulls, decks, and offshore structures.
Q3: Can 6.35mm 5052 aluminum sheet be welded?
A: Yes. 5052 aluminum offers excellent weldability, compatible with TIG and MIG welding processes without compromising mechanical properties.
Q4: What certifications does Gwangyang Aluminum hold?
A: Gwangyang Aluminum is certified to IATF 16949:2016 (automotive quality management) and ISO 9001:2015 (Quality Management System). Our 5052 alloy strictly adheres to ASTM B209 standards.
Q5: What is the maximum width available for 6.35mm 5052 aluminum sheet?
A: Gwangyang offers 5052 aluminum sheet in widths from 900 mm to 1,525 mm. Custom widths may be available upon request.
Q6: How does 5052 aluminum compare to steel for structural applications?
A: 5052 aluminum is approximately one-third the weight of steel (density 2.68 vs 7.85 g/cm³) while offering excellent corrosion resistance and good weldability. This lightweight advantage reduces structural load and improves energy efficiency.
Q7: What is the minimum order quantity for 6.35mm 5052 aluminum sheet?
A: Please contact Gwangyang Aluminum’s sales team for current MOQ information, as it may vary based on specifications and order volume.
Q8: Can Gwangyang supply 6.35mm 5052 sheet in custom lengths?
A: Yes. Gwangyang offers custom lengths from 1,000 mm to 6,100 mm to minimize waste and optimize your production process.
Q9: What industries commonly use 6.35mm 5052 aluminum sheet?
A: Common industries include marine & shipbuilding, automotive & transportation, industrial & general engineering, and architecture & construction.
Q10: Does Gwangyang provide mill test reports with shipments?
A: Yes. Every order includes certified Mill Test Reports (MTRs) that trace the material’s properties back to ASTM B209 specifications.

Gwangyang Aluminum Industry Co., Ltd.
Phone: +82 (0)61-762-6699
Email: gwangyangaluminum@gmail.com
Website: www.gyal.co.kr
Address: 266 Sepungsandan Road, Gwangyang-Eub, Gwangyang-Si, Jeollanam-Do, Republic of Korea















