Alloy series
3xxx Series — Aluminium–Manganese
The workhorse non-heat-treatable series. 20% stronger than 1xxx, still very formable.
30033004300531053A21
Properties
3xxx — Traits and Typical Uses
| Common grades | 3003 · 3004 · 3005 · 3105 · 3A21 |
|---|---|
| Key traits | Good formability & weldability · Better strength than 1xxx · Excellent corrosion resistance · Non-heat-treatable |
| Typical uses | Roofing · Siding · Beverage can body · Heat exchanger · Cooking utensil |
| Heat treatable | No — strengthened by work hardening (H tempers) |
Choose
How 3xxx Compares
Choose 3xxx when
Roofing · Siding · Beverage can body · Heat exchanger · Cooking utensil
Think again if
You need heat-treated strength or a structural extrusion — go to 6xxx.
Not Sure Between Two Grades?
Send the end use and the environment, and we will say which one we would run — including when the answer is "neither".
Ask for a Grade Recommendation