“…Testing was performed on mild steel AKDQ 1008, [39], HSLA steel, ASTM A1011, [39,108], Advanced High Strength Steel (AHSS), DP 500, DP 600, with and without zinc coating, [110,111] with straight mineral oil, water based oil emulsions, dry films, chlorinated water emulsions and polymer films. Tool materials were uncoated AISI D2, Vancron 40 (a nitride alloyed PM HSS further described in section 8.1.2), Spheroidal graphite cast iron, as well as CVD and PVD coated tools.…”