tensile strength:no less than1670 Mpa elongation:no less than 3.5% relaxation value:no more than 8%

Technical parameters:

Nominal diameter(mm)            tolerance(mm2)       tensile strength(mpa)    elongatio(%)    strandard

4.0                                          +0.04                       1470                               3.5           GB5223-2002

                                                -0.04                       1570                                                                    

6.0                                           +0.05                       1470                              3.5           GB5223-2002

                                                 -0.05                        1570                              3.5      

Straightened-tempered P.C.wire