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General Order 64

 

Appendix B

 

Mechanical And Loading Data For Conductors.

 

Table 18

Mechanical Characteristics Of Galvanized Steel Strands

 

Diameter Inches

No. of Wires

Diameter of Single Wire – In.

Area of Strand Sq. In.

Weight per Ft. Lb.

Ultimate Tension

Allowable Tension

Siemens – Martin Lb.

High Strength Lb.

Extra High Strength Lb.

Siemens – Martin Lb.

High Strength Lb.

Extra High Strength Lb.

5/8"

7

0.220

0.2660

0.800

19,000

25,000

42,500

9,500

12,500

21,250

9/16"

7

.203

.2268

.650

14,500

21,000

34,500

7,250

10,550

17,250

1/2"

7

.165

.1500

.510

11,000

18,000

27,000

5,500

9,000

13,500

7/16"

7

.148

.1204

.415

9,000

15,000

22,500

4,500

7,500

11,250

3/8"

7

.120

.0792

.295

6,800

11,500

17,250

3,400

5,750

8,675

5/16"

7

.109

.0654

.210

4,860

8,100

12,100

2,430

4,050

6,050

9/32"

7

.095

.0496

.160

4,380

7,300

10,900

2,190

3,650

5,450

1/4"

7

.083

.0379

.125

3,060

5,100

7,600

1,530

2,550

3,800

3/16"

7

.065

.0232

.075

2,000

3,300

4,900

1,000

1,650

2,450

1/8"

7

.042

.0097

.032

900

1,500

2,250

450

750

1,125