Aluminum 5052-H32: Marine-Grade Weldable Aluminum Alloy

ASTM B209 · Published: 2026-06-03 · Updated: July 2026

Quick Reference

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

CategoryAluminum Alloy
StandardASTM B209
Density2.68 g/cm³
Yield Strength193 MPa
Tensile Strength228 MPa

Global Equivalents & Cross-Reference

Alternative Standard / GradeAction
EN AW-5052 Compare
JIS A5052P Compare
AlMg2.5 Compare

Related Materials

🧮 Material Weight Calculator

Calculate the weight based on this material's density: 2.68 g/cm³

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