... increasing chromium content. High temperature strength and high pressure hydrogenation properties are promoted by chromium and molybdenum. Molybdenum significantly reduces temper ... r. AFNOR BS SIAU4140 42CrMo4 1.7225 42CD4 708A42 UM8ChemicalAnalysis (%)C Mn Si Ni Mo P S0.38-0.45 0 ... plastic of PVC, PP, EP, PC, PMMA and food industry mechanical component and hot-work die steel taken H13 as the ...