7 Wire Strand |
Relax 2 (formerly Low Relaxation) |
| Nominal Strand Diameter (mm) | Nominal Strand Tensile Strength (MPa) | Nominal Strand Cross Sectional Area (mm2) | Mass per Metre (g/m) | Characteristic Properties |
| Minimum Breaking Force (kN) | Minimum Force @ 0.1% Proof Load (kN) | Minimum Force @ 0.2% Proof Load (kN) |
| ORDINARY | 9.50 | 1850 | 55.0 | 432 | 102 | 83.6 | 86.6 |
| 12.70 | 1870 | 98.6 | 774 | 184 | 151 | 156 |
| 15.20 | 1750 | 143.0 | 1122 | 250 | 205 | 212 |
| 15.20 | 1830 | 143.0 | 1122 | 261 | 214 | 222 |
| COMPACT | 15.20 | 1820 | 165.0 | 1295 | 300 | 255 | 264 |
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| The following characteristics are applicable to all "Relax 2" strand diameters:- |
| * | Minimum breaking elongation of 3.5%. |
| * | Modulus of Elasticity (MOE) of 195 GPa }10 GPa based on a chord drawn on the slope between 20% and 70% of the maximum load, unless otherwise specified by the customer. |
| * | Curvature (Straightness) - <=9.50mm : maximum of 35 mm; >9.50mm : maximum of 25 mm. |
| * | Maximum relaxation after 1000 hours:- @ 80% of maximum breaking force.3.5%; @ 70% of maximum breaking force.2.5%. |
| Nominal type, nominal diameter and nominal tensile strength are for designation purposes only. |
| Other strand diameters and tensile grades are available on request. |
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19 Wire Strand |
Relax 1 (formerly Normal Relaxation) |
| Nominal Strand Diameter (mm) | Nominal Strand Tensile Strength (MPa) | Nominal Strand Cross Sectional Area (mm2) | Mass per Metre (g/m) | Characteristic Properties |
| Minimum Breaking Force (kN) | Minimum Force @ 0.1% Proof Load (kN) | Minimum Force @ 0.2% Proof Load (kN) |
| ORDINARY | 21.80 | 1810 | 313.0 | 2482 | 573 | 465 | 482 |
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| The following characteristics are applicable to all "Relax 1" strand diameters:- |
| * | Minimum breaking elongation of 3.5%. |
| * | Modulus of Elasticity (MOE) of 195 GPa 10 Gpa based on a chord between 20% and 70% of the maximum breaking load. |
| Nominal type, nominal diameter and nominal tensile strength are for designation purposes only. |
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