m303Properties: BÖHLER M303 EXTRA is a corrosion resistant martensitic chromium steel, offering excellent toughness, corrosion and wear resistance. It is characterized by improvedStandard Specification for Lime for Asphalt Mixtures AASHTO Desnation: M 303-89 (2019) Technical Subcommittee: 3a, Hydraulic Cement and Lime Release: Group 1 (April) AASHIO