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 302 (UNS S30200/1.4319) Type 304 (UNS S30400/1.4301) Type 301L (UNS S30103/1.4319)