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制绳用钢丝应是耐磨的韧性好的钢丝，具有在冷状态下经受变形的能力，为此钢丝应有最佳的化学成分。根据标准比较金属的化学成分表明，金属中Ｓ（质量分数为０－０２５％～０－０３５％）、Ｐ（质量分数为０－０２５％～０－０４０％）含量波动对钢丝质量的影响没有明显的差别
Rope steel wire should be wear-resistant toughness of the wire, with the ability to withstand deformation in cold conditions, for which the wire should have the best chemical composition. According to the standard comparison of the chemical composition of the metal shows that the metal S (mass fraction of 0-025% ~ 0-035%), P (mass fraction of 0-025% ~ 0-040%) content fluctuations on the quality of the wire without Obvious difference