吊车常用锰系磷化涂层钢丝绳或镀锌磷化双涂层钢丝绳，锰系磷化涂层钢丝绳疲劳寿命是光面钢丝绳的三倍，可以通过疲劳试验进行验证，使用寿命更长，使用成本更低。生产锰系磷化涂层钢丝绳索具，将赚取更多利润，目前货源非常紧缺，需要多联系几家钢丝绳厂
The fatigue life of manganese phosphating coated steel wire rope or galvanized phosphating double coated steel wire rope is three times that of smooth steel wire rope, which can be verified by fatigue test. toushuiz.89ix.comdipingh.89ix.comfangxiuyou.89ix.comuxingcao.89ix.comshidiaosz.37ix.com.cn bianyaqihj.37ix.com.cnThe service life of manganese phosphating coated steel wire rope is longer and the use cost is lower. The production of manganese phosphating coated steel wire rope rigging will make more profits. At present, the supply of goods is very scarce. It is necessary to contact several steel wire rope factories.