Home / Metals / Special Alloy Steel / 20NiCrMo2-2, 1.6523 (21NiCrMo2), AISI 8620 Alloy Carburizing Bearing Steel20NiCrMo2-2, 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 301 (UNS S30100/1.4310) Type 316L (UNS S31603/1.4404) Type 316LN (UNSS31653/1.4406)