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 316 (UNS S31600/1.4401) Type 302 (UNS S30200/1.4319) Type 303 (UNS S30300/1.4305)