Home / Metals / Special Alloy Steel / 34CrMo4 – AISI 4135 – DIN 1.7220 Chromium-Molybdenum Alloy Structural Steel34CrMo4 – AISI 4135 – DIN 1.7220 Chromium-Molybdenum Alloy Structural Steel Get A Free Quote Now!Related products Type 317L (UNS S31703/1.4438) Type 316Ti (UNS S31635/1.4571) Type 317 (UNS S31700/1.4449)