How about the quality of your pc strand?
The quality of CHUNPENG PC strand compared to the Standard AATM A416
| 12.7MM [1/2"] 270K[1860MPA] Seven wire prestressed concrete steel strand | ||
| Parameter | Standard | Our product |
| 1) Diameter of Strand, mm[in.] | 12.7 [1/2] | 12.7 [1/2] |
| 2) Tensile Strength, Mpa | 1860 | 1962 |
| 3) Diameter Tolerance, mm[in.] | +0.65 -0.15 [+0.026 -0.006] | +0.20 -0.09 [+0.008 -0.004] |
| 3) Minimum Breaking Strength of Strand, kN [lbf] | 183.7 [41300] | 193.7 [43548] |
| 4) Minimum Load at 1 % Extension, kN [lbf] | 165.3 [37170] | 177.9 [40003] |
| 5) Steel Area of Strand,mm²[in.²] | 98.7 [0.153] | 98.7 [0.153] |
| 6) Minimum Ultimate Elongation in 24"Gauge Length, % | 3.5 | 5.4 |
| 7) Weight of Strand, kg/1000m [lb/1000 ft] | 775 [520] | 784 [526] |
| 8) Average NET weight,kg | / | 2780 |
| 9) Approx. Length,m | / | 3547 |