Home / Metals / Special Alloy Steel / 9Cr18 High-Carbon Chromium Martensitic Stainless Steel Bearing Steel 9Cr18 High-Carbon Chromium Martensitic Stainless Steel Bearing Steel Get A Free Quote Now! Description Description Get A Free Quote Now! Your Name (required) Your Email (required) Subject Your Message Related products Type 304LN (UNSS30453/1.4311) Type 303 (UNS S30300/1.4305) Type 305 (UNS S30500/1.4303)