Tinned stranded copper wire

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Cords and standards

  • ASTM B-33 Tinned soft or annealed copper wire

Application

  • Submarine cable
  • Automobile electronic wire conductor
  • Lightning protection for horizontal grounding

Product Description

  • Good resistivity to corrosive attacks,excellent thermal conductivity
  • No tolerance about diameter,high conductivity,performance according with many standards

Detailed descriptions:

Tinned copper wire adopts electrolytic tinning, in the process many strands are drawn in the same time with continuous annealing .And the appearance keeps uniform ,bright ,and has good resistivity to corrosive attacks,excellent thermal conductivity.The conductor has high conductivity ,performance according with many standards.The various performance meet with DIN40500 and ASTMB33.

We can make different diameter and tin layer thickness ,hardness according to customer’s needs .In the meantime a new process of tin plating was studied, and half-bright tin coating is obtained.

The material copper rod adopts continuous casting and rolling production line with 350,000 tons of SCR - 7000 copper from south of the U.S. The individual wire adopts the most advanced continuous pulling and annealing technology ,and the whole process is controlled by microcomputer. The quality of single conducting wire keeps stable ,and the various performance meet with national and EU electrical standard.

Structure size and performance parameters

Size (AWG) Stranding Weight Per 1000 ft. (lbs.) Diameter (inches) Hard-Drawn Medium-Hard Drawn Soft-Drawn Allowable Ampacity+
Individual Wires Complete Cable Rated Strength (lbs.) DC Resistance Ohms/1000 ft. @ 20˚C Rated Strength (lbs.) DC Resistance Ohms/1000 ft. @ 20˚C Rated Strength (lbs.) DC Resistance Ohms/1000 ft. @ 20˚C
10 7 32.06 0.043 0.130 492 1.060 389 1.054 314 1.019 50
8 7 51.0 0.049 0.146 777 0.6663 610 0.6629 499 0.6408 95
6 7 81.1 0.061 0.184 1228 0.4191 959 0.4169 794 0.4030 130
4 7 128.9 0.077 0.232 1938 0.2636 1505 2622 1320 0.2534 170
3 7 162.5 0.087 0.260 2433 0.2090 1885 0.2079 1670 0.2010 200
2 7 204.9 0.097 0.292 3050 0.1660 2360 0.1650 2110 0.1578 230
1 7 258.4 0.109 0.328 3801 0.1316 2955 0.1309 2552 0.1252 265
1/0 7 325.8 0.123 0.368 4752 0.1042 3705 0.1037 3221 0.1002 310
1/0 19 325.8 0.075 0.373 4752 0.1042 3705 0.1037 3221 0.1002 310
2/0 7 410.9 0.138 0.414 5926 0.08267 4640 0.08224 4062 0.07949 355
2/0 19 410.9 0.084 0.418 6690 0.08267 4765 0.08224 4024 0.07949 355
3/0 7 518.1 0.155 0.464 7366 0.06556 5812 0.06522 5118 0.06304 410
3/0 19 518.1 0.094 0.470 7698 0.06556 5970 0.06522 5074 0.06304 410
4/0 7 653.3 0.174 0.522 9154 0.05199 7278 0.05172 6459 0.04999 480
4/0 19 653.3 0.106 0.528 9617 0.05199 7479 0.05172 6453 0.04999 480
250 19 771.9 0.115 0.574 11360 0.04400 8836 0.04378 7627 0.04231 530
250 37 771.9 0.082 0.575 11600 0.04400 8952 0.04378 7940 0.04231 530
300 19 926.3 0.126 0.628 13510 0.03667 10530 0.03648 9160 0.03526 590
300 37 926.3 0.090 0.630 --- --- --- --- --- --- ---
350 19 1081 0.136 0.679 15590 03143 12200 0.03127 10680 0.03022 650
350 37 1081 0.097 0.681 16060 0.03143 12450 0.03127 10580 0.03022 650
400 19 1235 0.1451 0.725 --- --- --- --- --- --- ---
400 37 1235 0.104 0.728 --- --- --- --- --- --- ---
500 37 1544 0.116 0.814 22510 0.02200 17550 0.02189 15240 0.02116 810
600 37 1853 0.127 0.891 27020 0.01834 21060 0.01825 18300 0.01763 910
750 61 2316 0.111 0.998 34090 0.01467 26510 0.01459 22890 0.01410 1040
1000 61 3088 0.128 1.152 45030 0.01100 35100 0.01094 30500 0.01058 1240
1250 61 3859 0.1431 1.293 55670 0.008801 43590 0.008755 36320 0.008463 1075
1250 91 3859 0.116 1.289 56280 0.008801 43880 0.008755 36320 0.008463 1075
1500 61 4631 0.1568 1.411 65840 0.007334 51950 0.007296 43590 0.007052 1180
1500 91 4631 0.128 1.412 67540 0.007334 52650 0.007296 43590 0.007052 1180
 
PVC Insulated stranded copper  wire

PVC Insulated stranded copper wire


 

Sectional area mm2 Strands and diameter
No./mm2
Weight kg/m
16 7/1.7 0.19
25 7/2.14 0.29
35 7/2.25 0.41
50 19/1.78 0.53
70 19/2.14 0.73
95 19/2.25 1.00
120 37/2.03 1.16
 


 

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