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Approximate Properties of Hard-drawn 20.3% Conductivity Aluminum-Clad steel 
Wire (20.3%)

Nominal Dia

Size

Calculated cross

sectional area

Min tensile 
strength

Calculated
 breaking 
load

Mincoating 
thickness

D.C resistance
 at 20ºC≤

Weight

in.

mm

AWG

mm2

cmils

Mpa

psi

kn

mm

Ω/1000ft

Ω/km

kg/km

1b/1000ft

0.2043

5.189

4

21.150

41740

1070

155000

22.60

0.259

1.222

4.009

139.32

93.63

0.1880

4.775

4

17.908

35342

1100

160000

19.70

0.239

1.443

4.735

118.01

79.31

0.1819

4.620

5

16.767

33090

1140

165000

18.10

0.231

1.541

5.056

110.48

74.25

0.1729

4.392

5

15.150

29899

1170

170000

17.73

0.220

1.706

5.597

99.84

67.10

0.1620

4.115

6

13.296

26240

1210

175000

16.00

0.206

1.943

6.375

87.61

58.88

0.1549

3.934

6

12.155

23989

1240

180000

15.07

0.197

2.126

6.976

80.10

53.83

0.1443

3,665

7

10.549

20820

1280

185000

13.50

0.183

2.450

8.038

69.47

46.69

0.1369

3.477

7

9.495

18739

1310

190000

12.44

0.174

2.722

8.931

62.57

42.05

0.1285

3.264

8

8.366

16510

1340

195000

11.20

0.163

3.089

10.135

55.15

37.03

0.1144

2.906

9

6.633

13090

1340

195000

8.92

0.145

3.896

12.783

43.70

29.37

0.1019

2.588

10

5.260

10380

1340

195000

7.07

0.129

4.912

16.116

34.66

23.29

0.0907

2.304

11

4.170

8230

1340

195000

5.61

0.115

6.194

20.323

27.48

18.47

0.0808

2.052

12

3.309

6530

1340

195000

4.45

0.103

7.811

25.628

21.80

14.65