Aluminum 5052-H32: Marine-Grade Weldable Aluminum Alloy
ASTM B209 · Published: 2026-06-03 · Updated: July 2026
Aluminum 5052-H32 is a non-heat-treatable Al-Mg alloy with excellent corrosion resistance in marine environments — superior to 6061. It is the standard material for boat hulls, fuel tanks, pressure vessels, and electronic enclosures where...
Aluminum 5052-H32 is a non-heat-treatable Al-Mg alloy with excellent corrosion resistance in marine environments — superior to 6061. It is the standard material for boat hulls, fuel tanks, pressure vessels, and electronic enclosures where formability and welding are primary requirements.
Quick Facts
| Category | Aluminum Alloy |
| Standard | ASTM B209 |
| Density | 2.68 g/cm³ |
| Yield Strength | 193 MPa |
| Tensile Strength | 228 MPa |
Global Equivalents & Cross-Reference
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Frequently Asked Questions
Can 5052 be anodized?
Yes, but 5052 anodizes to a slightly grayer appearance than 6061. For decorative anodizing where appearance is critical, 6061 or 6063 are preferred. 5052 is chosen when corrosion resistance and formability are the primary criteria.
References & International Standards
- ASTM International. Standard Specifications for Steel & Metal Alloys. astm.org
- International Organization for Standardization (ISO). Metallic Materials — Cross-Reference Database. iso.org
- American Iron and Steel Institute (AISI). Steel Grade Designations & Equivalents. steel.org
- European Committee for Standardization (CEN). EN Steel Standards & Numbering System. cencenelec.eu