江西11选5

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20#钢管在衡钢轧制成功

发布日期:2014/3/31 9:13:45 来源:kckcbisc.com 点击:


       20#钢管成型工艺主要有热轧、冷拔和焊接3种。冷拔方管承受局部性的集中荷载的能力弱,焊接工艺生产的方管焊缝部位是其薄弱环节,都不适用于建造高端建筑住宅。目前,国内一般采用焊接或冷拔的方式生产方管。而国外主要采用热轧工艺,完****满足高端建筑的使用要求。华菱衡钢开发的高端建筑用热轧无缝方管,具有承载性能良好、焊接性能良好、生产成本低、生产效率高等优点。

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