S90V and REXM4 Added To Our Stock Range! 01 December 2016 David We have added another two performance knife making steels from Crucible Industries to our stock range, CPM-S90V and CPM-REXM4, taking our range of steels up-to 12 different tool and knife making steel, one of the largest ranges in the UK! CPM-S90V Extreme edge and wear resistant stainless steel with a high Carbon content at 2.3% and Vanadium content at 9% (Nearly three times as much as Elmax!) . Available at 4mm thick in 200mm and 400mm lengths. CPM-REXM4 A high speed tool steel with higher toughness when compared to M2 high speed tool steel. Takes an extremely sharp edge. Available at 2.8mm thick in 200mm and 400mm lengths. Take a look at the knife making steels from:Crucible Powder Metallurgy Products