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| 2+7×0.30ST超高强度钢丝帘线的性能及应用 |
| Property and Application of 2+7×0.30ST Super Strength Steel Cord |
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| DOI： |
| 中文关键词: 钢丝帘线；超高强度；轮胎；带束层 |
| 英文关键词: steel cord；super strength；tire；belt |
| 基金项目: |
| 中图分类号:TQ330.38＋9；U463.341＋.6 |
| Author Name | Affiliation | | LIU Chen | Jiangsu Baosteel Fine Wire & Cord Co.，Ltd | | CUI Shi-yun | Jiangsu Baosteel Fine Wire & Cord Co.，Ltd |
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| 中文摘要: |
| 介绍2+7×0.30ST钢丝帘线的结构和性能，并与4+6×0.30HT钢丝帘线进行对比。结果表明，与4+6×0.30HT钢丝帘线相比，2+7×0.30ST钢丝帘线强度高、线密度小，破断力/线密度和破断力/帘线直径比值较高，有利于提高轮胎的承载能力和安全性能，其椭圆形结构具有优良的渗胶性能，并可显著减小帘布质量，满足轮胎轻量化的要求。 |
| 英文摘要: |
| The structure and properties of 2+7×0.30ST steel cord were introduced，and compared with 4+6×0.30HT steel cord.The results showed that，compared with 4+6×0.30HT steel cord，the strength of 2+7×0.30ST steel cord was higher，the linear density was lower，and the ratios of breaking force/linear density and breaking force/cord diameter were higher，which was in favor of improving the carrying capacity and safety performance of tire.2+7×0.30ST steel cord possessed good rubber penetrability because of its elliptical structure，and could significantly reduce the cord weight to meet the requirements of lightweight tire. |
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