Steel Strand for Pre-stresed concrete
Product description
Product Description
Specifications
Diameter:7.5-21.6mm
Tensile strength:1770-1860Mpa
Use:Mine and roadway.
It is used for Mine and Roadway,which makes an impact on supporting,especially,for the mine and rock area to increase firm,meanwhile,it play a good role on improving the security assurance.
| Steel Strand Wire for pre-stressed Concrete | |||||||||||
| Specification | Section Area | Grease Mass Per Meter(g/m) | Minium thicknes of coating | Tensile Strength(Mpa) | Friction factor | Effect modulus | Mass per meter | ||||
| A | B | C | D | E | |||||||
| 1*7(12.7mm) | 98.7 | 43 | 1 | 1720 | 1860 | 1960 | 0.04-0.1 | 0.003-0.004 | 0.875 | ||
| 1*7(15.2mm) | 140 | 50 | 1570 | 1670 | 1770 | 1860 | 1960 | 1.21 | |||
| 1*7(15.24mm) | 140 | 50 | 1860 | 1.21 | |||||||
| 1*7(15.7mm) | 150 | 50 | 1860 | 1.30 | |||||||
| Steel Strand Wire for pre-stressed Concrete | ||||||||||
| Construction | Dn/mm | Tolerance | Section Area | Grease Mass Per Meter(g/m) | Tensile Strength(Mpa) | maximal load stretching of the steel strand | Fp0.2/KN | Agt/% | Nominal Pull% | Stress relaxation(%) |
| 1*19 | 17.80 | +0.60-0.25 | 208.4 | 1652 | 1860 | 387 | 330 | 3.5 | 70 | 2.5 |
| 18.00 | 214.3 | 1678 | 1860 | 399 | 339 | |||||
| 19.30 | 243.7 | 1931 | 1860 | 453 | 385 | |||||
| 20.30 | 270.9 | 2149 | 1860 | 504 | 422 | |||||
| 21.80 | 312.9 | 2482 | 1770 | 554 | 471 | |||||
| 1810 | 566 | 481 | ||||||||
| 1860 | 582 | 495 | ||||||||
| 22.0 | 315.0 | 2473 | 1770 | 558 | 474 | |||||
| 1810 | 571 | 485 | ||||||||
| 1860 | 586 | 498 | ||||||||
| 28.60 | 532.4 | 4229 | 1670 | 889 | 756 | |||||
| 1770 | 942 | 800 | ||||||||
| 1810 | 964 | 819 | ||||||||
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