Talk:Pitting resistance equivalent number
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--Waveman68 (talk) 05:07, 28 September 2012 (UTC) This article needs sources but the initial German one had none either. The article content is sound, so I will add sources at a later date when I have them put together.
Carbone[edit]
Dear, where is Carbon in this formula ? %C change a lot the corrosion resistance. With this formula Z40C13 is worst than 12C27 when it actually last twice longuer... ~~Thib — Preceding unsigned comment added by 109.26.128.74 (talk) 17:00, 4 November 2014 (UTC)