Specifications
LRPC / HT Strands
Technical Data Sheet (Indian Specification)
Sr.No. | Descriptions | UOM | Specified Values | |||
---|---|---|---|---|---|---|
9.60 mm | 12.90 mm | 15.20 mm | 15.70 mm | |||
1 | Strand Designation | – | 9.60-1860-P | 12.90-1860-P | 15.20-1860-P | 15.70-1860-P |
2 | Nominal Diameter | mm | 9.60 | 12.90 | 15.20 | 15.70 |
3 | Diameter Toerance | – | General Tolerance will be Applicable based on Specified Weight Tolerance |
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4 | Nominal Area | Sq. mm | 55 | 100 | 139 | 150 |
5 | Unit Weight | Kg/Km | 429.6 | 781 | 1086 | 1172 |
6 | Weight Tolerance | % | ±2 | ±2 | ±2 | ±2 |
7 | Lay Length | Times of Nominal Diameter of Strand | 12 to 16 | 12 to 16 | 12 to 16 | 12 to 16 |
8 | Lay Direction | RH or LH | RH | RH | RH | RH |
9 | Minimum 0.2% Proof Load | kN | 89.8 | 164 | 228 | 246 |
10 | Breaking Load (Minimum) | kN | 102 | 186 | 259 | 279 |
11 | Elongation Minimum | % | 3.5 | 3.5 | 3.5 | 3.5 |
12 | Modulus of Elasticity | Gpa or kN/Sq mm | May be Taken as 195 | |||
13 | Relaxation % (Under Load -70% of Specified Breaking Load.) | |||||
(a) | For 100 Hours | % | Relaxation losses should not more than 1.8 | |||
(b) | For 1000 Hours | % | Relaxation losses should not more than 2.5 |
Technical Data Sheet (European Specification)
Sr.No. | Descriptions | UOM | Specified Values | |||
---|---|---|---|---|---|---|
9.30 mm | 12.90 mm | 15.20 mm | 15.70 mm | |||
1 | Steel Designation | – | Y1860S7 | Y1860S7 | Y1860S7 | Y1860S7 |
2 | Nominal Diameter | mm | 9.30 | 12.90 | 15.20 | 15.70 |
3 | Diameter Tolerance | – | General Tolerance will be Applicable based on Specified Weight Tolerance Given |
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4 | Nominal Area | Sq. mm | 52 | 100 | 139 | 150 |
5 | Unit Weight | Kg/Km | 406.1 | 781 | 1086 | 1172 |
6 | Weight Tolerance | % | ±2 | ±2 | ±2 | ±2 |
7 | Lay Length | Times of Nominal Diameter of Strand | 14 to 18 | 14 to 18 | 14 to 18 | 14 to 18 |
8 | Lay Direction | RH or LH | RH | RH | RH | RH |
9 | Proof force (Min. Value of 0.1%) | kN | 85.1 | 164 | 228 | 246 |
10 | Breaking Load | kN | 96.7 to 111 | 186 to 214 | 259 to 298 | 279 to 321 |
11 | Elongation Minimum | % | 3.5 | 3.5 | 3.5 | 3.5 |
12 | Relaxation – 1000 Hrs (Maximum for 70 % Initial Load) | % | 2.5 | 2.5 | 2.5 | 2.5 |
13 | Modulus of Elasticity | Gpa or kN/Sq mm | May be Taken as 195 | |||
14 | Chemical Composition | |||||
(a) | Sulphur (max) | % | 0.04 | 0.04 | 0.04 | 0.04 |
(b) | Phosphorus (max) | % | 0.04 | 0.04 | 0.04 | 0.04 |
Technical Data Sheet (British Specification)
Sr.No. | Descriptions | UOM | Specified Values | |||
---|---|---|---|---|---|---|
9.30 mm | 12.90 mm | 15.20 mm | 15.70 mm | |||
1 | Steel Designation | – | Y1860S7 | Y1860S7 | Y1860S7 | Y1860S7 |
2 | Nominal Diameter | mm | 9.30 | 12.90 | 15.20 | 15.70 |
3 | Diameter Tolerance | – | General Tolerance will be Applicable based on Specified Weight Tolerance Given |
|||
4 | Nominal Area | Sq. mm | 52 | 100 | 139 | 150 |
5 | Unit Weight | Kg/Km | 406.1 | 781 | 1086 | 1172 |
6 | Weight Tolerance | % | ±2 | ±2 | ±2 | ±2 |
7 | Lay Length | Times of Nominal Diameter of Strand | 14 to 18 | 14 to 18 | 14 to 18 | 14 to 18 |
8 | Lay Direction | RH or LH | RH | RH | RH | RH |
9 | Proof force (Min. Value of 0.1%) | kN | 85.1 | 164 | 228 | 246 |
10 | Breaking Load | kN | 96.7 to 111 | 186 to 214 | 259 to 298 | 279 to 321 |
11 | Elongation Minimum | % | 3.5 | 3.5 | 3.5 | 3.5 |
12 | Relaxation – 1000 Hrs (Maximum for 70 % Initial Load) | % | 2.5 | 2.5 | 2.5 | 2.5 |
13 | Modulus of Elasticity | Gpa or kN/Sq mm | May be Taken as 195 | |||
14 | Chemical Composition | |||||
(a) | Sulphur (max) | % | 0.04 | 0.04 | 0.04 | 0.04 |
(b) | Phosphorus (max) | % | 0.04 | 0.04 | 0.04 | 0.04 |
Technical Data Sheet (American Specification)
Sr.No. | Descriptions | UOM | Specified Values | |||
---|---|---|---|---|---|---|
9.53 mm | 12.70 mm | 15.20 mm | 15.70 mm | |||
1 | Grade | – | 270 [1860] | 270 [1860] | 270 [1860] | 270 [1860] |
2 | Nominal Diameter | mm | 9.53 | 12.70 | 15.20 | 15.70 |
3 | Diameter Tolerance | mm | +0.65/-0.15 | +0.65/-0.15 | +0.65/-0.15 | +0.65/-0.15 |
4 | Nominal Area | Sq. mm | 55.00 | 98.70 | 140 | 150 |
5 | Unit Weight | Kg/Km | 430 | 780 | 1100 | 1200 |
6 | Weight Tolerance | – | General Tolerance will be Applicable based on Specified Diameter Tolerance Given | |||
7 | Lay Length | Times of Nominal Diameter of Strand | 12 to 16 | 12 to 16 | 12 to 16 | 12 to 16 |
8 | Lay Direction | RH or LH | RH | RH | RH | RH |
9 | Minimum Load at 1.0% Extension | kN | 92.1 | 165.3 | 234.6 | 251.0 |
10 | Breaking Load (Minimum) | kN | 102 | 184 | 261 | 279 |
11 | Elongation Minimum | % | 3.5 | 3.5 | 3.5 | 3.5 |
12 | Maximum Relaxation – 1000 Hrs (for 70 % Initial Load) | % | 2.5 | 2.5 | 2.5 | 2.5 |
13 | Modulus of Elasticity | Gpa or kN/Sq mm | May be Taken as 195 | |||
14 | Chemical Composition | |||||
(a) | Sulphur (max) | 0.04 | 0.04 | 0.04 | 0.04 | |
(b) | Phosphorus (max) | % | 0.04 | 0.04 | 0.04 | 0.04 |