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PC Wire
1. Low relaxation high tensile strength
2. Material: SWRH82b / 77b
3. Standard : BS5896/1980 GB/T5223-2002 ASTM A421 ASTM A881/A881M
4. Diameter: 4 / 4.5 / 4.8 / 5 / 6 / 6.25 / 7 / 8 / 9 / 10mm
5. Tensile strength:1570Mpa 1670Mpa 1770Mpa 1860Mpa
6. Surface: helical ribbed / smooth / indented
7. Coil weight: 0.8 to 1.5T
8. Month output: 6000tons
applied in common and high-speed railway projects, for example: high-speed track board, railway sleeper
applied in all sorts of PC components, for example: hollow-core floor board,telegraph pole,double-T board, PHC pipe stake
applied in all kinds of high-pressure water-transportation pipes, for example: water transportation pipes,PCCP pipe.
Technical Data of High Tensile PC Wire under BS 5896-1980 Standard
Nominal Diameter | Nominal Tensile Strength | Tolerance on Diameter | Nominal Cross-Section | Nominal Mass | Specified Characteristic Breaking Load | Specified Characteristic 0.1% Proof Load | Load at 1% Elongation | Minimum Elongation at max Load(Lo=200mm) | Relaxation | |||
Initial Load (% of actual breaking load) | Max relaxation after 1000hrs | |||||||||||
mm | N/mm2 | mm | mm2 | g/m | KN | KN | KN | Relax Class 1 (normal relax) | Relax Class2 (low relax) | |||
4 | 1670 | 0.04 | 12.6 | 98.9 | 21.0 | 17.5 | 17.9 | 3.5% | 60%70%80% | 4.5%8%12% | 1.0%2.5%4.5% | |
1770 | 22.3 | 18.5 | 19.0 | |||||||||
4.5 | 1620 | 0.05 | 15.9 | 125 | 25.8 | 21.4 | 21.9 | |||||
5 | 1670 | 19.6 | 154 | 32.7 | 27.2 | 21.8 | ||||||
1770 | 34.7 | 28.8 | 29.5 | |||||||||
6 | 1670 | 28.3 | 222 | 47.3 | 39.9 | 40.2 | ||||||
1770 | 50.1 | 41.6 | 42.6 | |||||||||
7 | 1570 | 38.5 | 30 2 | 60.4 | 50.1 | 51.3 | ||||||
1670 | 64.3 | 53.4 | 54.7 | |||||||||
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