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钢绞线国标
预应力钢绞线国标
Structure Nominal Dia. (mm) Tolerance( mm) Cross section area (Sn/mm2) Re.mas s per 1m (g/m) Tensile Strength Not less than (Rm/Mpa) Yield Strength Not less than (Fp 0.2/ Mpa) (Lo≥500mm)A gt Elongation at max load Not less than (﹪) Intial load to ﹪of nominal max load Not more than ( ﹪) The relaxation at 1000h (r/﹪) 1770 1590 1860 1670 1470 1570 1720 1860 1960 1720 1860 1960 3.5
预应力钢绞线国标
Structure Nominal Dia. (mm) Tolerance( mm) Cross section area (Sn/mm2) Re.mas s per 1m (g/m) Tensile Strength Not less than (Rm/Mpa) Yield Strength Not less than (Fp 0.2/ Mpa) (Lo≥500mm)A gt Elongation at max load Not less than (﹪) Intial load to ﹪of nominal max load Not more than ( ﹪) The relaxation at 1000h (r/﹪) 1770 1590 1860 1670 1470 1570 1720 1860 1960 1720 1860 1960 3.5
