GB/T 21073-2007 in English

《GB/T 21073-2007环氧涂层七丝预应力钢绞线》由TC183（全国钢标准化技术委员会）归口，TC183SC3（全国钢标准化技术委员会盘条及钢丝分会）执行，主管部门为中国钢铁工业协会。
本标准规定了环氧涂层七丝预应力钢绞线的分类和标记、订货内容、材料、预应力钢绞线的涂覆前处理、涂层的涂覆、技术要求、试验方法、检验规则、包装、标志及质量证明书。本标准适用于预应力工程，特别是防腐要求较高的预应力钢绞线。

Scope

This standard specifies the classification and marking, ordering content, materials, pre-coating treatment of prestressed steel strands, and coating of fusion-bonded filled and painted epoxy-coated seven-wire prestressed steel strands. , technical requirements, allowable coating damage and repair of damaged coating, test methods, inspection rules, packaging, marks and quality certificates. This standard is applicable to prestressed engineering, especially prestressed steel strands with high anti-corrosion requirements, including internal prestressed steel strands, external prestressed steel strands, prestressed steel strands in rock and soil anchorage and cable-stayed bridges Strand cables, etc., are not suitable for epoxy-coated prestressed steel strands of the monofilament spray type.