SSAB has a good post on why tensile test elongation is not the best way to assess formability of AHSS steel.  It has to do with averaging deformation over a large gauge length. Coincidentally, I’ve written about this in an article to be published in the February 2019 issue of MetalForming Magazine.

Read more from SSAB in their article, The Forming Myth

-Danny Schaeffler, and  ​