Aluminum 3003-H14: General-Purpose Weldable Manganese Alloy

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

Quick Reference

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

CategoryAluminum Alloy
StandardASTM B209
Density2.73 g/cm³
Yield Strength145 MPa
Tensile Strength150-200 MPa

Global Equivalents & Cross-Reference

Alternative Standard / GradeAction
EN AW-3003 Compare
JIS A3003P Compare
AlMn1Cu Compare

Related Materials

🧮 Material Weight Calculator

Calculate the weight based on this material's density: 2.73 g/cm³

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