Aluminium-lithium alloy (Al 2195)

This page is under construction and is still being written! Any major unauthorised edits will be reverted, but some minor, grammar and spelling fixes are freely allowed if you find any errors of this type. If this article has not been edited after 2 years, please remove this template and edit it freely if you want to.

A Space Shuttle External Tank (ET) on its way to the Vehicle Assembly Building at Cape Kennedy.

• Also see: What is an 'alloy'?

The metal

.

Manufacturing

.

Properties and usage

It is 30 % stronger and 5 % less dense than the Al 2219 alloy used in the original Space Shuttle's external tank.

Metallurgical formula

The alloy composition of Al 2195 aluminium is:

1. Aluminium: 91.9 to 94.9%
2. Copper: 3.7 to 4.3%
3. Lithium: 0.8 to 1.2%
4. Manganese: 0.25 to 0.8%
5. Silver: 0.25 to 0.6%
6. Zirconium: 0.08 to 0.16%
7. Iron: 0.15% max
8. Silicon: 0.12% max
9. Titanium: 0.1% max
10. Zinc: 0.25% max
11. Residuals: 0.15% max

Corrosion and toxicity

.

Nations that produce it

1. USA (most)
2. Canada (small)
3. Japan (minimal)
4. UK (minimal)

Also see

1. What is an 'alloy'?
2. Space Shuttle
3. Lockheed D-21
4. Useful metals
5. Nickel
6. What is an 'alloy'
7. What is 'galvanizing'
8. Thoriated magnesium (AKA- Mag-Thor)

Sources

1. https://en.wikipedia.org/wiki/Aluminium-lithium_alloy
2. http://aluminumlithium.com/
3. https://en.wikipedia.org/wiki/Aluminium_alloy#Aerospace_alloys
4. http://www.smithshp.com/metals/aluminium-lithium-alloys.htm
5. https://ntrs.nasa.gov/search.jsp?R=20140011616
6. http://www.cs.odu.edu/~mln/ltrs-pdfs/NASA-2002-cr211942.pdf
7. http://www.aluminum-alloy.com/aluminum-alloy-2195.html
8. http://www.aluminum-alloy.com/products/polished-aluminum-mirror
9. http://www.matweb.com/search/datasheettext.aspx?matguid=4363dafc7f5545688506d8b4af1e9468
10. http://www.matweb.com/search/datasheetText.aspx?bassnum=MA9WELD8
11. https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19980017087.pdf
12. http://n.stuccu.co.uk/s/Aluminum+Lithium
13. https://www.idealprice.co.uk/search?adid=iaCkp56jz52hrI6jz6afnM%2FX0Fehnp6jz52hrI6jz6afnM%2FX0FelcMjD2KRYlsnD1W6T&baa=A&ort=Alloy-Aluminum-Sale&q=Alloy-Aluminum-Sale&utm_campaign=A_3&utm_content=Alloy+Aluminum&utm_medium=cpc&utm_source=bing&utm_term=%2BAlloy+%2BAluminum
14. https://www.alibaba.com/premium/aluminium_alloy.html?src=sem_bing&cmpgn=131989355&adgrp=2732718790&tgt=kwd-39005196390&KwdID=39005196390&mtchtyp=b&bdmtchtyp%20=bb&ntwrk=o&device=c&creative=6285145305&p1=default&p2=default&p3=default&Query=Aluminium-lithium%20alloy%20(Al%202195)
15. http://www.cs.odu.edu/~mln/ltrs-pdfs/NASA-2002-cr211942.pdf
16. http://www.aluminum-alloy.com/aluminum-alloy-2195.html
17. http://www.aluminum-alloy.com/aluminum-alloy-2195.html