Both are used for Spun Poles.
Diameter 7 mm
Tensile Strength Min 1470N/mm2
| at 0.2% extn. | Min. 85% of tensile strength |
| % Elongation | Min. 4.0% at 200mm gauge length |
| Reverse Bend | Min. 2.5 Bends |
| Indentations | as per clause 3.3 of IS - 6003-2010 |
| Relaxation test |
100 hours, once in a month & 1000 hours once in a year for 100 hrs. - Max. loss in applied load - 3.5% for 100 hrs. - Max. loss in applied load - 5.0% |
