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Standard
| YB/T 4206-2009 Cold-formed steel of transmission towers (English Version) |
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Detail of YB/T 4206-2009
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Introduction of YB/T 4206-2009
本标准规定了输电铁塔用冷弯型钢的订货内容、制造工艺及交货状态、分类、标记、截面形状、尺寸和重量、技术要求、外形及允许偏差、试验方法、验收规则、包装、标志及质量证明书。
本标准适用于输电铁塔用冷弯等边角钢和冷弯圆形空心型钢，以下简称冷弯型钢。其它塔桅结构也可参考使用 本标准。
Contents of YB/T 4206-2009