Galvanised Steel Earthwire Strand/ Groundwire Strand/ Core Strand for Aluminum Conductors (ACSR Strand) End Use Earthwire for overhead transmission lines and core strands for aluminum conductors. Specifications BS-183; BS-215,ASTM-B-498;IS-2141/92,IS-12776; IS-398/Part-2; IS-398 Part-5;Powrgrid specification and as per customers' specification. Construction No.of Wires/ Wire Dia. Minimum Breaking Load of Finished Strand Grade 480 Grade 700 Grade 1000 Grade 1100 Grade 1150 Grade 1300 Grade 1570 (Grade indicates wire tensile grade in N/mm²) (mm) (kN) (kN) (kN) (kN) (kN) (kN) (kN) 7/0.80 - 2.24 - 3.67 - - 5.24 7/0.90 2.14 3.10 4.45 - 5.12 5.80 - 7/1.00 2.65 3.85 5.50 - 6.32 7.15 - 7/1.25 4.10 6.00 8.55 8.97 9.88 11.15 12.80 7/1.40 5.17 7.54 10.75 - 12.65 14.00 - 7/1.60 6.75 9.85 14.10 14.70 16.20 18.30 20.98 7/1.80 8.55 12.45 17.80 - 20.50 23.20 - 7/2.00 10.55 15.40 22.00 22.97 25.30 28.60 32.78 7/2.24 - 18.34 - 28.32 - - 41.12 7/2.36 14.70 21.40 30.60 - 35.20 39.80 - 7/2.50 - 22.86 - 35.92 - - 51.22 7/2.65 18.50 27.50 38.26 - 44.40 50.20 - 7/3.00 23.75 39.65 49.50 - 56.90 61.30 - 7/3.15 26.20 38.20 54.44 56.98 62.75 70.50 - 7/3.25 27.85 40.65 58.55 - 66.80 75.50 - 7/3.65 35.15 51.75 73.25 - 84.70 95.75 - 7/3.66 - - 68.40 - - - - 7/4.00 42.20 61.60 88.00 91.88 101.00 111.11 - 7/4.25 47.65 69.90 99.30 - 111.00 129.00 - 7/4.75 59.45 86.80 124.00 - 142.00 161.30 - Elongation % on 600mm GL 12 8 4 4 4 4 3   Nominal Diameter of Element Wires Diameter  Tolerance Minimum Zinc Coating Weight of single wire before stranding (after stranding the coating weight shall be reduced by 5%) BS-183 / BS-215 IS-2141/ IS-12776/ IS-398 Powergrid specification ASTM  B-498 (mm) (±mm) (g/mm²) (g/mm²) (g/mm²) (g/mm²) 0.80 0.03 - 140 - - 0.90 0.04 140 150 - - 1.00 0.04 150 150 - - 1.25 0.04 170 160 - - 1.40 0.04 180 180 - 183 1.60 0.06 200 190 - 198 1.80 0.06 200 200 - 198 2.00 0.06 215 210 - 214 2.24 0.06 - 210 - 214 2.36 0.06 230 230 - 229 2.50 0.06 - 230 - 229 2.65 0.06 230 230 - 244 3.00 0.06 240 240 - 259 3.15 0.06 240 240 290 259 3.25 0.07 250 250 - 274 3.65 0.07 260 260 - 274 3.66 0.07 - 260 290 274 4.00 0.10 260 275 - 274 4.25 0.10 260 275 - 274 4.75 0.10 275 275 - 305 Note We can also produce 19 wire strands in sizes 1.40 mm and above. Zinc coating weight and uniformity of coating: - For strands as per BS-183 shall be as per BS-443 - For strands as per ASTM 498 shall be as per Class A coating - For strands as per IS-398 Part-2 and Part-5 shall be as per IS-4826 Lay length is usually 12-18 times that of the overall strand diameter or as per customer's specifications.  Lay direction of outer wire layer is usually right hand or as specified by customer. We can also produce as per other international standards and / or as per specific customers requirements. Top