Aluminum 3003-H14: General-Purpose Weldable Manganese Alloy
ASTM B209 · Published: 2026-06-03 · Updated: July 2026
Aluminum 3003 is the most widely used general-purpose aluminum alloy — approximately 20% stronger than 1100 pure aluminum with excellent workability and weldability. It is the standard material for cooking utensils, chemical equipment, storage...
Aluminum 3003 is the most widely used general-purpose aluminum alloy — approximately 20% stronger than 1100 pure aluminum with excellent workability and weldability. It is the standard material for cooking utensils, chemical equipment, storage tanks, roofing, and builder's hardware.
Quick Facts
| Category | Aluminum Alloy |
| Standard | ASTM B209 |
| Density | 2.73 g/cm³ |
| Yield Strength | 145 MPa |
| Tensile Strength | 150-200 MPa |
Global Equivalents & Cross-Reference
Related Materials
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Frequently Asked Questions
Is 3003 heat-treatable?
No, 3003 is a non-heat-treatable alloy. Its strength is achieved through work hardening (cold rolling). The H14 temper indicates strain-hardened to half-hard condition. Annealing will reduce strength to the O-temper level (~110 MPa tensile).
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