浙江预应力混凝土钢绞线|预应力混凝土钢绞线订购报价1.预应力钢绞线原料Raw Materials高碳钢线材82B,77B High Carbon Steel Wire Rod SWRH 82B,77B2.预应力钢绞线工艺Technology大减面率连续拉拔,捻制,稳定化处理Continued drawing with large deduction stranding then stabilizing treatment3.预应力钢绞线特点Characteristics高屈强比、低松弛、弹性模量稳定、消除应力,与混凝土结合牢High rate of yield strength ultimate strength;Low relaxation,浙江预应力混凝土钢绞线|预应力混凝土钢绞线订购报价