Relative Solderability of Aluminum & Aluminum Alloys

TYPICAL ALLOYS
(All Tempers)

1100 or higher purity, 1350(EC), 3003, Alclad 3003, Alclad 3004, 5005, Alclad 6061, 6951

3004, 5050, Alclad 4056, 5457, 6053, 6061, 6063, 6070, 6101, 6151, 7005

5052, 5056, 5083, 5086, 5154, 5454, 5456

2011, 2014, Alclad 2014, 2017, 2018, 2024, Alclad 2024, 2219, 4032, 7075, Alclad 7075

RELATIVE SOLDERABILITY

Excellent to good

Good to fair

Inferior (due to surface film)

Very poor to not recommended (due to penetration and cracking)