Home / Metals / Special Alloy Steel / 20NiCrMo2-2, 1.6523 (21NiCrMo2), AISI 8620 Alloy Carburizing Bearing Steel 20NiCrMo2-2, 1.6523 (21NiCrMo2), AISI 8620 Alloy Carburizing 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 316 (UNS S31600/1.4401) Type 304LN (UNSS30453/1.4311) Type 309 (UNS S30900/1.4828)