Aluminium Alloy 3105

Technical Data Sheet


Chemical Composition Limits
Weight% Al Si Fe Cu Mn Mg Cr Ti Zn Others
3105 Bal 0.60 max 0.70 max 0.30 max 0.30/0.80 0.20 / 0.8 0.20 max 0.10 max 0.40 max 0.050 each
0.15 Total

Typical Mechanical Properties


Material Temper Tensile Strength (N/mm²) Yield Strength (N/mm²) Elongation on 50mm
0.5 mm 0.8mm 1.3mm 2.6mm
3105 Sheet 0 110-155 - 16 18 20 20
3105 Sheet H12 130-175 115 2 3 4 5
3105 Sheet H14 160-205 145 2 2 3 4
3105 Sheet H16 185-230 170 1 1 2 3
3105 Sheet H18 215 min 190 1 1 1 2

Aluminum Alloy 3105 is available in Sheet and Strip. For all stock availability of Aluminium 3105 contact Sales.

Similar Specifications
BS N31
Alcan GB-E4S
Alcan- 150

At Aircraft Materials we specialise in the rapid turn-around of orders, with most stock items ready for shipping out the same day to anywhere in the world. For time-critical orders, such as AOGs use our AOG service desk (, the team are dedicated to processing and dispatching orders on the same day, even for cutting orders on bar and sheet products.

Our expertise in global logistics enables us to source material from anywhere in the world in a matter of days and provide fast shipping solutions to all our customers, whichever country they are in. We use a range of transport partners to ship overnight within the UK and Europe, and offer a full range of logistics solutions from priority express services to more cost-effective economy shipments all around the globe. To find out more about our services click here.

Every effort is made to ensure that technical specifications are accurate. However, technical specifications included herein should be used as a guideline only. All specifications are subject to change without notice.

Sell your Stock Online at