China 9.5 12.7 15.2 Low Relaxation PC Strand, Find details about China Prestress Wire Strand, Prestressing Wire Strand from 9.5 12.7 15.2 Low Relaxation PC Strand
Standard | Grade | Nonimal Dia. | Section Area | Mass | Breaking Loading | Load at 1% Ext. | Elongation | Relaxation at 1000h | ||
(in) | (mm) | (mm2) | (g/m) | Min (Mpa) | (KN) | Lo 610mm min | (Initial Load to 70% of Breaking Load) | |||
ASTM A416 | 270K (1860) | 3/8 | 9.53 | 54.84 | 432 | 102.3 | 92.1 | 3.5% min | Low Relaxation | Normal Relaxation |
7/16 | 11.11 | 74.19 | 582 | 137.9 | 124.1 | 2.5% max | 3.5% max | |||
1/2 | 12.7 | 98.71 | 775 | 183.7 | 165.3 | |||||
3/5 | 15.24 | 140.00 | 1102 | 260.7 | 234.6 |