Aluminium 1100
Your guide to Aluminium 1100
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Typical industrial pure aluminium alloy
Excellent corrosion resistance
Increased strength at sub-zero temperatures
Aluminium 1100 is a typical industrial pure aluminium alloy. When machined in the hard temper, aluminium 1100 has excellent machinability. It is recommended to use carbide tooling or high speed steel tooling. An oil lubricant should be used where heavy cuts are required.
This guide will take you through the main attributes, common applications, notes for designers and suitable finishing and treatments, as well as UK stock sizes and property tables. Don't forget to bookmark the page so you can refer back later.
If you are interested in 1100 machined parts, please scroll to the bottom of the page for more information about our service and to request a quote.
1100 Guide: Properties, Applications and Design Considerations
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What is 1100?
Aluminium 1100 is a typical industrial pure aluminium alloy. It has excellent corrosion resistance and benefits from increased strength at low temperatures but is not suitable for use at higher temperatures as strength is compromised.
You may also see 1100 referred to as the following tempers:
- O, F, H111, H112, H12, H14, H22, H24
- H32, H34, 38
- T4, T6, T651, T6511
- T7351
- H18
Other designations include:
- UNS J91100
- 1100-O
- UNS A91100
- ISO AI99.0Cu
- NF A45 (France)
- CSE 990C (Canada)
- AA1100-O
- AI1100-O
- Standards: ASTM B209, EN573, EN48
Industry Examples: Chemical | Food processing | Giftware and applications where aesthetics are important
Typical Components & Applications: Heat exchanger components | Heat sinks | Caps | Fins | Decorative parts | Giftware | Rivets | Reflectors | Sheet metal work
Main Attributes:
- Excellent corrosion resistance
- Increased strength at sub-zero temperatures
- Loses strength at high temperatures
- Cannot be heat treated
- Great electrical conductivity
- Great thermal conductivity
- Low density
- Low strength
- High ductility
- Reflective finish
- Excellent welding characteristics
- Non heat treatable
Finishing & Treatments:
Aluminium 1100 is not suitable for heat treatment other than to produce the annealed form and ‘O’ temper.
See our Finishing Processes page for further information on services that we can facilitate.
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Further Reading & Resources
For more information on Aluminium check out the external link below
Aluminium 1100 Machined Parts
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Penta Precision provides the following 1100 aluminium machining services:
- CNC milling
- CNC turning
- Prototypes and batch runs
- Insert installation
- Part marking
- Manual milling
- Manual turning
- Machining design advice
- Design for manufacture service
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