RESISTANCE TO ABRASION (UNIDIRECTIONAL SCRAPE) TEST FOR ENAMELLED ROUND COPPER WINDING WIRES
(BASIS : IS 13730 - .. & IS 13778 - 3)
Nominal
Conductor
Diameter		 Part 3
Polyester
Copper Wires
Class 155		 Part 8
Polyesterimide
Copper Wires
Class 180		 Part 13
PE (PEI) + PAI
Copper Wires
Class 200
Grade 1 Grade 2 Grade 1 Grade 2 Grade 1 Grade 2
(mm) (SWG) min avg min avg min avg min avg min avg min avg
    (N) (N) (N) (N) (N) (N) (N) (N) (N) (N) (N) (N)
0.250 - 2.30 2.70 3.80 4.50 2.45 2.85 4.00 4.70 2.55 3.00 4.15 4.90
0.280 33 & 32 2.45 2.90 4.10 4.80 2.60 3.10 4.30 5.05 2.75 3.25 4.45 5.25
0.315 31 & 30 2.65 3.15 4.40 5.20 2.80 3.35 4.60 5.45 2.95 3.50 4.80 5.65
0.355 29 2.85 3.40 4.75 5.60 3.05 3.60 4.95 5.85 3.20 3.75 5.15 6.05
0.400 28 3.05 3.65 5.10 6.00 3.25 3.85 5.30 6.25 3.45 4.05 5.50 6.50
0.450 27 3.30 3.90 5.45 6.45 3.50 4.15 5.70 6.75 3.70 4.35 5.90 7.00
0.500 26 3.55 4.20 5.85 6.90 3.75 4.45 6.10 7.20 3.95 4.65 6.35 7.50
0.560 25 & 24 3.80 4.50 6.25 7.40 4.05 4.75 6.50 7.70 4.25 5.00 6.80 8.00
0.630 23 4.10 4.85 6.70 7.90 4.35 5.10 7.00 8.25 4.55 5.35 7.30 8.60
0.710 - 4.40 5.20 7.20 8.50 4.65 5.45 7.50 8.85 4.85 5.70 7.80 9.20
0.800 22 4.70 5.60 7.70 9.10 4.95 5.85 8.05 9.50 5.15 6.10 8.40 9.90
0.900 21 5.10 6.05 8.20 9.70 5.35 6.30 8.60 10.20 5.55 6.55 9.00 10.60
1.000 20 5.50 6.55 8.80 10.40 5.75 6.75 9.20 10.90 5.95 7.05 9.60 11.30
1.120 19 5.95 7.05 9.40 11.10 6.20 7.35 9.80 11.60 6.45 7.60 10.20 12.10
1.250 18 6.45 7.60 10.00 11.90 6.70 7.90 10.50 12.50 6.95 8.20 11.00 12.90
1.400 - 6.95 8.20 10.80 12.70 7.20 8.50 11.30 13.30 7.45 8.80 11.80 13.90
1.600 17 7.55 8.90 11.60 13.70 7.80 9.20 12.10 14.30 8.00 9.45 12.60 14.90
1.800 16 8.15 9.60 12.40 14.70 8.40 9.95 13.00 15.40 8.60 10.10 13.50 16.00
2.000 15 8.75 10.30 13.30 15.70 9.00 10.60 13.90 16.40 9.20 10.90 14.40 17.10
2.240 14 9.40 11.10 14.20 16.70 9.90 11.70 14.80 17.50 - - 15.40 18.20
2.500 13 10.10 11.90 15.10 17.80 10.80 12.80 15.80 18.60 - - 16.40 19.40
Notes : 1) For intermediate nominal conductor diameter the resistance to abrasion figure of the next largest nominal diameter shall be taken.
2) 1 N = 0.102 Kg.
Note: In view of continuous improvements in design & process specifications given above are subject to change without notice.