Why is 1000 Series Aluminum Better?
1000 Series Aluminum Alloys | Ulbrich
Flat, Shaped and Round Wire
Applications
Components for the food, chemical and brewing industries; Nameplates; Reflectors; Capacitors; Solid and stranded conductor wire; Bus Conductors; Transformer strip
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Description
1000 Series has minimum of 99% aluminum with no major alloying additions. These compositions are characterized by excellent corrosion resistance, high thermal and electrical conductivity, low mechanical properties and excellent workability. These alloys are non-heat treatable. The most common type is A91100 which is commercially pure aluminum. It is soft and very ductile, having excellent workability. Well suited for applications involving severe forming as it work hardens more slowly during forming. It is the most weldable of all aluminum alloys.
Chemistry Typical
UNS# A91050 | ALUMINUM 99.50 min | ADDITIONAL ELEMENTS
0.25 Si max, 0.40 Fe max, 0.050 Cu max, 0.050 Mn max, 0.05 Mg max, 0.05 V max, 0.03 max other (each)
UNS# A91100 | ALUMINUM 99.00 min | ADDITIONAL ELEMENTS
1.0 max Si +Fe, 0.05-0.20 Cu, 0.05 Mn max, 0.10 Zn max,
0.05 max other (each), 0.150 max other (total)
UNS# A91180 | ALUMINUM 99.80 min | ADDITIONAL ELEMENTS
0.010 Cu max, 0.030 Ga max, 0.09 Fe max, 0.020 Mn max, 0.020 Mg max, 0.090 Si max, 0.020 Ti max, 0.050 V max, 0.030 Zn max
UNS# A91199 | ALUMINUM 99.99 min | ADDITIONAL ELEMENTS
0.006 Cu max, 0.005 Ga max, 0.006 Fe max, 0.006 Mn max, 0.002 Mg max, 0.006 Si max, 0.002 Ti max, 0.005 V max, 0.006 Zn max,
0.002 max other (each)
UNS# A91350 | ALUMINUM 99.50 min | ADDITIONAL ELEMENTS
0.050 B max, 0.01 Cr max, 0.05 Cu max, 0.03 Ga max, 0.40 Fe max, 0.01 Mn max, 0.10 Si max, 0.02 min V + Ti, 0.05 Zn max,
0.03 max other (each), 0.10 max other (total)
*Contact Ulbrich Wire for request regarding the availability of other aluminum alloys.
The aluminum content for unalloyed aluminum not made by a refining process is the difference between 100.00 percent and the sum of all other analyzed metallic elements present in amounts of 0.010 percent of more each, expressed to the second decimal before determining the sum. For alloys and unalloyed aluminum not made by a refining process, when the specified maximum limit is 0.XX, an observed value or a calculated value greater than 0.005 but less than 0.010% is rounded off and shown as" less than 0.01%". Composition information provided by the Aluminum Association and is not for design.
Physical Properties
Typical Density: 0.098 lbs/in3, 2.7 g/cm3
Electrical Conductivity: (% IACS at 68° F, annealed): 59-65%
Thermal Conductivity: BTU-in/hr-ft2-° F at 68° F: 1540 - 1690
Mean Coefficient of Thermal Expansion: µin/in-° F: 68 - 572 ° F: 14.2
Modulus of Elasticity: KSI: 8.9 - 10 x 103 in tension
Melting Temperature: 1190 - 1220 ° F (646 - 658 °C)
Forms
Profile, Round, Flat, Square
Mechanical Properties at Room Temperature
Properties: Temper 0
Ultimate Tensile Strength: 6.5 KSI min (45 MPa min)
Yield Strength: 1.5 KSI min (10 MPa min)
Elongation: 23% min
1000 Series Aluminum
0.25 Si max, 0.40 Fe max, 0.050 Cu max, 0.050 Mn max, 0.05 Mg max, 0.05 V max, 0.03 max other (each)
UNS# A91100 | ALUMINUM 99.00 min | ADDITIONAL ELEMENTS
1.0 max Si +Fe, 0.05-0.20 Cu, 0.05 Mn max, 0.10 Zn max,
0.05 max other (each), 0.150 max other (total)
UNS# A91180 | ALUMINUM 99.80 min | ADDITIONAL ELEMENTS
0.010 Cu max, 0.030 Ga max, 0.09 Fe max, 0.020 Mn max, 0.020 Mg max, 0.090 Si max, 0.020 Ti max, 0.050 V max, 0.030 Zn max
UNS# A91199 | ALUMINUM 99.99 min | ADDITIONAL ELEMENTS
0.006 Cu max, 0.005 Ga max, 0.006 Fe max, 0.006 Mn max, 0.002 Mg max, 0.006 Si max, 0.002 Ti max, 0.005 V max, 0.006 Zn max,
0.002 max other (each)
UNS# A91350 | ALUMINUM 99.50 min | ADDITIONAL ELEMENTS
0.050 B max, 0.01 Cr max, 0.05 Cu max, 0.03 Ga max, 0.40 Fe max, 0.01 Mn max, 0.10 Si max, 0.02 min V + Ti, 0.05 Zn max,
0.03 max other (each), 0.10 max other (total)
*Contact Ulbrich Wire for request regarding the availability of other aluminum alloys.
The aluminum content for unalloyed aluminum not made by a refining process is the difference between 100.00 percent and the sum of all other analyzed metallic elements present in amounts of 0.010 percent of more each, expressed to the second decimal before determining the sum. For alloys and unalloyed aluminum not made by a refining process, when the specified maximum limit is 0.XX, an observed value or a calculated value greater than 0.005 but less than 0.010% is rounded off and shown as" less than 0.01%". Composition information provided by the Aluminum Association and is not for design.
Physical Properties
Typical Density: 0.098 lbs/in3, 2.7 g/cm3
Electrical Conductivity: (% IACS at 68° F, annealed): 59-65%
Thermal Conductivity: BTU-in/hr-ft2-° F at 68° F: 1540 - 1690
Mean Coefficient of Thermal Expansion: µin/in-° F: 68 - 572 ° F: 14.2
Modulus of Elasticity: KSI: 8.9 - 10 x 103 in tension
Melting Temperature: 1190 - 1220 ° F (646 - 658 °C)
Forms
Profile, Round, Flat, Square
Mechanical Properties at Room Temperature
Properties: Temper 0
Ultimate Tensile Strength: 6.5 KSI min (45 MPa min)
Yield Strength: 1.5 KSI min (10 MPa min)
Elongation: 23% min
Properties: Tempered
These alloys can be cold worked to various tempers.
Actual physical and mechanical properties are alloy dependent. Contact Ulbrich Technical Service for alloy specific properties.
Suggested reading:Which is better , copper bus bar or Aluminum bus bar?
Additional Properties
Corrosion Resistance
The Ultimate Guide to Checkered Aluminium Coil Finishes
Contact Ulbrich Wire for specific information.
Wire Finishes
XC - Extra clean. Annealed or annealed and cold rolled. Contact Ulbrich Wire with special finish requests.
Heat Treatment
These alloys are hardenable by cold working and by heat treatment.
Welding
Contact Ulbrich Wire for specific information.
Limitation of Liability and Disclaimer of Warranty: In no event will Ulbrich Stainless Steels & Special Metals, Inc., be liable for any damages arising from the use of the information included in this document or that it is suitable for the 'applications' noted. We believe the information and data provided to be accurate to the oest of our knowledge but, all data is considered typical values only. It is intended for reference and general information and not recommended for specification, design or engineering purposes. Ulbrich assumes no implied or express warranty in regard to the creation or accuracy of the data provided in this document.
How To Choose The Correct Aluminum Alloy
1000 Series
1000 series alloys are chemically pure (99%+ aluminum) and are commonly available in wire and thin sheets. This series has excellent corrosion resistance, workability, and high thermal and electrical conductivity. 1350, for example, is the go-to choice for high voltage transmission lines and other large-scale electrical products.
2000 Series
2000 series alloys are alloyed with copper, which allows the material to be precipitation hardened to strengths near those of steel. This is, however, at the expense of corrosion resistance. 2024 was once one of the most common high-strength aerospace alloys, but has been increasingly replaced by 7000 series materials which aren’t as susceptible to stress-corrosion cracking.
3000 Series
Manganese is the alloying element in 3000 series aluminums. This alloy has good corrosion resistance and strength, and also performs notably well in stamping applications. This makes it the material of choice for beverage cans, grating, and many types of tubing.
4000 Series
Silicon is used as the main alloying element in 4000 series alloys. Silicon improves the fluidity of the material in its molten state which is helpful in products like welding wire and brazing rod.
5000 Series
5000 series aluminum is alloyed mainly with magnesium and silicon, giving it superb corrosion resistance. This is helpful in marine applications where the material is subjected to constant harsh conditions. 5052 aluminum is widely known for being one of the easiest alloys to weld. Combine that with the alloy’s excellent corrosion resistance and you have a perfect material for pressure vessels and ship hulls.
6000 Series
The 6000 series materials are alloyed with magnesium and silicon. They are easily machined, weldable, and heat treatable (though not to the same strengths as 2000 and 7000 series). 6000 series alloys like 6061 and 6063 are extremely common in machining and architectural applications. 6061, for example, is available in almost any shape and size you could imagine including bar, plate, sheet, tube, channel and more.
7000 Series
Zinc is the primary alloying element in 7000 series alloys, but magnesium and copper are usually present as well. These materials possess the highest strengths of any of the aluminum alloys. 7075 is commonly used in aircraft landing gears and other parts requiring high strength to weight ratios. 7050 is another common 7000 series alloy and is also heavily used in aerospace applications requiring stress-corrosion resistance.
Temper and Age Conditions
Temper designations tell the material producer and consumer how an alloy has been mechanically and/or thermally modified to achieve certain properties. The first letter designates the class of treatment, while the succeeding number(s) designate specific processes that have been applied to an alloy.
F – as fabricated. These are semi-finished products that have not yet been thermally modified.
O – annealed. Materials with the O designations have been annealed, usually to maximize workability.
H – strain hardened. This is for non-heat-treatable alloys that have had their strength increased by stain hardening. This process, of course, usually does not involve heat as is performed at room temperature.
T – thermally treated. This designation represents products that have gone through the entire tempering process. These materials have been given a solution heat treatment followed by quenching and artificial aging.
W – solution heat treated. This designation usually represents an unfinished product. Solution heat treating is the process by which a material is heated up and held at a certain temperature for a specified amount of time, and then rapidly cooled to “lock in” the properties of the heated material. This process is usually followed by tempering and quenching.
Key Takeaways
For an engineer or part designer, series numbers are the most important topic to understand. Temper and age conditions are somewhat set-in stone, and engineers typically don’t specify these in the design stage, except in very specific circumstances. For example, if you would like a part to made from 6061 aluminum, it is likely going to be of the 6061-T6511 designation. Engineers should also understand the shapes and sizes alloys are available in. McMaster Carr is a good source for this information.
Choosing the correct alloy can have major impacts not only on the performance of your parts, but also on the cost. If you need help selecting the right material for your parts, contact us or get a quote!
If you are looking for more details, kindly visit Household Aluminium Foil.
Properties: Tempered
These alloys can be cold worked to various tempers.
Actual physical and mechanical properties are alloy dependent. Contact Ulbrich Technical Service for alloy specific properties.