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Unknown author<span style="display: none;">Unknown author</span>
Own work  using: <a rel="nofollow" class="external free" href="http://www.aperam.com/uploads/stainlesseurope/TechnicalDataSheet/Fiches%20Aspects/Anglais/FT_Toles_larmees_ENG.pdf">http://www.aperam.com/uploads/stainlesseurope/TechnicalDataSheet/Fiches%20Aspects/Anglais/FT_Toles_larmees_ENG.pdf</a>