Aluminium / Aluminum 1100 Alloy (UNS J91100)

Topics Covered

Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties
Other Designations
Fabrication and Heat Treatment
     Machinability
     Forming
     Welding
     Heat Treatment
     Forging
     Hot Working
     Cold Working
     Annealing
     Hardening
Applications

Introduction

Aluminium / Aluminum alloys have strong corrosion resistance. They are sensitive to high temperatures ranging between 200 and 250°C (392 and 482°F) and might lose some of their strength. However, the strength of the aluminum alloys can be increased at subzero temperatures, making them ideal low-temperature alloys.

The aluminum 1100 alloy is a pure aluminum alloy with excellent forming characteristics. The following datasheet will provide more details about Aluminium / Aluminum 1100 alloy.

Chemical Composition

The following table shows the chemical composition of Aluminium / Aluminum 1100 alloy.

Element Content (%)
Aluminium / Aluminum , Al 99.00 (min)
Copper , Cu 0.12

Physical Properties

The physical properties of Aluminium / Aluminum  1100 alloy are outlined in the following table.

Properties Metric Imperial
Density 2.71 g/cm3 0.0979 lb/in³

Mechanical Properties

The mechanical properties of Aluminium / Aluminum  1100 alloy are tabulated below.

Properties Metric Imperial
Elastic modulus 70-80 GPa 10152-11603 ksi
Poisson’s ratio 0.33 0.33

Thermal Properties

The thermal properties of Aluminium / Aluminum  1100 alloy are tabulated below.

Properties Conditions
T (ºC) Treatment
Thermal conductivity 218 W/mK 25 H18
Thermal expansion 23.6 x 10-6/ºC 20-100 -

Other Designations

Equivalent materials to Aluminium / Aluminum 1100 alloy are as follows.

AMS 4003 AMS 7220 ASTM B209 ASTM B210 ASTM B211 ASTM B221
ASME SFA5.10 (ER1100) ASME SFA5.3 (E1100) ASTM B241 ASTM B247 ASTM B313 ASTM B316
ASTM B361 ASTM B361 ASTM B479 ASTM B483 ASTM B491 ASTM B547
ASTM B548 MIL A-52174 MIL A-52177 MIL C-26094 MIL R-5674 MIL S-24149/5
AWS A5.10 (ER1100) AWS A5.10 (ER1100) AWS A5.3 (E1100) MIL E15597 (MIL-1100) MIL I-23413 (MIL-1100) QQ WW-T-700/1
MIL W-6712 MIL W-85 QQ A-1876 QQ A-1876 QQ A-250/1 QQ A-430
SAE J454




Fabrication and Heat Treatment

Machinability

Aluminium / Aluminum  1100 alloy has excellent machinability especially when the alloy is machined in hard temper. Carbide tooling is suitable, but high speed steel tooling can also be used. In cases where heavy cuts are required, an oil lubricant must be used.

Forming

Both hot and cold forming is easy to perform with Aluminium / Aluminum  1100 alloy. This alloy can be cold worked extensively in the annealed condition without the need for intermediate annealing.

Welding

Welding can be easily performed using all the conventional methods. It is suitable to use AL 1100 consumable electrodes and filler wire for the process.

Heat Treatment

Aluminium / Aluminum  1100 alloy cannot be successfully heat treated other than to produce the annealed form and ‘O’ temper.

Forging

Aluminium / Aluminum  1100 alloy can be hot forged without much difficulty.

Hot Working

Hot working can be easily performed on Aluminium / Aluminum  1100 alloy.

Cold Working

Aluminium / Aluminum  1100 alloy is best suited for cold working as it has good ductility in the annealed temper condition. It can also be cold formed by bending, drawing or spinning.

Annealing

After Aluminium / Aluminum  1100 alloy is extensively cold worked, annealing is required and can be performed at 343°C (650°F) for a suitable amount of time so as to ensure thorough heating and then it can be air cooled.

Hardening

Aluminium / Aluminum  1100 alloy can be hardened by cold working only.

Applications

Aluminium / Aluminum  1100 alloy is widely used in fin stock, heat exchanger fins, spun hollowware, dials and name plates, decorative parts, giftware, cooking utensils, rivets and reflectors, and in sheet metal work.

Comments

  1. Armand J. Rivera Armand J. Rivera Philippines says:

    Is AL 1100 series compatible or corrode to pH 11?

The opinions expressed here are the views of the writer and do not necessarily reflect the views and opinions of AZoM.com.

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