Home / Metals / Special Alloy Steel / 9Cr18 High-Carbon Chromium Martensitic Stainless Steel Bearing Steel9Cr18 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 309 (UNS S30900/1.4828) Type 329 (UNS S32900/1.4460) Type 303Se (UNS S30323/JIS SUS303Se)