Manganese phosphating coated wire rope is the only wire rope with wear-resistant protective coating in the world at present. The film weight of manganese phosphating film is the most important technical index. The film weight of manganese phosphating film is mostly 15-30g/m2. If you buy manganese phosphating coated steel wire rope, you must check the film weight of phosphating film after arrival to prevent illegal traders from passing smooth steel wire rope off as manganese phosphating coated steel wire rope. Manganese phosphating coated steel wire rope has longer fatigue life and lower unit use cost, and is an upgraded product of various smooth steel wire ropes.