7股热镀锌钢绞线厂家现货批发7股热镀锌钢绞线厂家现货批发

我公司生产的热镀锌钢绞线*拉强度高、不松散、排线整齐、产品表面镀层采用垂直热镀厚锌层，与铁基结合牢固，特别是应用于恶劣条件，使用寿命长，深得广大用户好评。镀锌钢绞线通常指用于承力索、拉线、加强芯等，也可以作为架空输电的电线、公路两边的阻拦索或建筑结构中的架构索，常用于桥梁、建筑、水利、能源及岩土工程等，无粘结预应力钢绞线常用于楼板、地基工程等。

The ho*p galvanized steel wire produced by our company has high tensile strength, no loose, neat line, and the surface coating of the product adopts the vertical hot plating thick zinc layer. It is firmly combined with the iron base, especially in bad conditi*, long service life and high praise for the broad masses of users. Galvanized steel strand is usually used for bearing cable, drawing line, reinforcing core and so on. It can also be used as an overhead tran*ission line, blocking cable on both sides of the highway or structural cable in the building structure. It is often used in bridges, buildings, water c*ervancy, energy and geotechnical engineering. Unbonded prestressed steel strand is often used in floor and foundation engineering. It

钢绞线的钢丝用钢应符合GB 699的规定，牌号由制造厂选择。但其硫、磷含量各不得大于0．030％。
扭转 ： 直径不小于0．50mm的钢丝应做扭转试验
反复弯曲：直径不小于0．50mm的钢丝应做反复弯曲试验
打结率： 直径小于0．50mm的钢丝，用打结率代替扭转和反复弯曲试验，此时带一个结的钢丝应能承受不小于其公称*拉强度的50％载荷的拉力。