Strain, in pounds, per square inch.

CAST IRON.

WROUGHT IRON.

Length, in feet, to extend one inch.

Length, in feet, to shorten one inch.

Length, in feet, to cither extend or shorten one inch.

1000

1204

1094

2250

2000

583

543

1125

3000

377

360

750

4000

274

269

562

5000

213

214

450

6000

173

177

375

7000

144

151

321

8000

123

132

281

9000

106

117

250

10000

93

104

225

11000

83

94

204

12000

74

86

187

13000

67

79

173

14000

61

73

161

15000

55

68

150

16000

.....

63

141

17000

.....

59

132

18000

.....

56

125

19000

.....

53

118

20000

.....

50

112

21000

.....

47

107

22000

.....

45

102

23000

.....

43

98

24000

.....

41

94

25000

.....

40

90

Proportions for

and BOLT HEADS.

Thickness Rough.

Thickness Finish.

Short

Diameter

Rough.

Short Diameter

Finish.

Long

Diameter

Rough.

Long

Diameter

Rough.

Thickness Rough.

Thickness Finish.

Table XXXI Length Of Cast Or Wrought Iron Bars In  200171

Table XXXI Length Of Cast Or Wrought Iron Bars In  200172

Table XXXI Length Of Cast Or Wrought Iron Bars In  200173

Table XXXI Length Of Cast Or Wrought Iron Bars In  200174

Table XXXI Length Of Cast Or Wrought Iron Bars In  200175

Table XXXI Length Of Cast Or Wrought Iron Bars In  200176

Table XXXI Length Of Cast Or Wrought Iron Bars In  200177

Table XXXI Length Of Cast Or Wrought Iron Bars In  200178 .

1/4 ..

3/16..

1/2..

7/16..

37/67..

7/10..

1/4..

3/16..

5/8.

1/4..

19/32.

17/32.

11/16..

10/12..

19/64..

1/4..

3/8..

5/16..

11/16.

5/8..

51/64.

63/64..

11/32..

5/16..

7/16.

3/8..

25/32.

23/22..

9/10..

1 7/64..

25/64..

3/8..

1/2..

7/16..

7/8..

13/16..

1..

1 15/64..

7/16..

7/16..

9/16..

1/2..

31/32..

29/32..

1 1/8..

1 23/64..

31/64..

1/2..

5/8..

9/16..

1 1/16..

1..

1 7/32..

1 1/2..

17/32..

9/16..

3/4..

11/16..

1 1/4..

1 3/16..

1 7/16..

1 49/64..

5/8..

11/16..

7/8..

13/16..

1 7/16..

1 3/8..

1 21/32..

2 1/32..

23/32..

13/16..

1..

15/16..

1 5/8..

1 9/16..

1 7/8..

2 19/64.

13/16..

15/16..

1 1/8..

1 1/16..

1 13/16..

1 3/4..

2 3/32..

2 9/16..

29/32..

1 1/16..

1 1/4..

1 3/16..

2 ...

1 15/16..

2 5/16..

2 53/64..

1..

1 3/16..

1 3/8..

1 5/16..

2 3/16..

2 1/8..

2 17/32.

3 3/32..

1 3/32..

1 5/16..

1 1/2..

1 7/16..

2 3/8..

25..

2 3/4..

3 23/64..

1 3/16..

1 7/16..

1 5/8..

1 9/16..

2 9/16..

2 1/2 ...

2 31/32.

3 5/8..

1 9/32..

1 9/16..

1 3/4..

1 11/16..

2 3/4..

2 11/16.

3 3/16..

3 57/64..

1 3/8..

1 11/16..

1 7/8..

1 13/16.

2 15/16..

2 7/8..

3 13/32.

4 5/32..

1 15/32..

1 13/16..

2..

1 15/16..

3 1/8..

3 1/16..

3 5/8..

4 27/64..

1 9/16..

1 15/16..

2 1/4..

2 3/16..

3 1/2..

3 7/16..

4 1/16..

4 61/64..

1 3/4..

2 3/16..

2 1/2..

2 7/16..

3 7/8..

3 13/16..

4 1/2..

5 31/64..

1 15/16..

2 7/16..

2 3/4..

2 11/16..

4 1/4..

4/3/16..

4 29/32..

6..

2 1/8...

2 11/16..

3 ...

2 15/16.

4 5/8..

4 9/16..

5 3/8..

6 17/32..

2 5/16..

2 15/16..

3 1/4..

3 3/16..

5 ...

4 15/16..

5 13/16.

7 1/16..

2 1/2..

3 3/16..

3 1/2..

3 7/16..

5 3/8 ...

5 5/16..

6 7/64..

7 39/64..

2 11/16..

3 7/16..

3 3/8..

3 13/16..

5 3/4..

5 11/16..

6 21/32..

8 1/8...

2 7/8..

3 13/16..

4 ...

3 15/16..

6 1/8 ...

6 1/16..

7 3/32..

8 41/64..

3 1/16..

3 15/16..

4 1/4..

4 3/16..

6 1/2 ...

6 7/16..

7 9/16..

9 3/16..

3 1/4..

4 3/16..

4 1/2..

4 7/16..

6 7/8 ...

6 13/16.

7 31/32..

9 3/4..

3 7/16..

4 7/16..

4 3/4..

4 11/16.

7 1/4 ...

7 3/16..

8 13/32..

10 1/4..

3 5/8..

4 11/16..

5 ...

4 15/16.

7 5/8..

7 9/16..

8 27/32..

10 49/68..

3 13/16..

4 15/16..

5 1/4 ...

5 3/16..

8 ...

7 15/16.

9 9/32..

11 23/64..

4..

5 3/16..

5 1/2..

5 7/16..

8 3/8 ...

8 5/16..

9 23/32..

11 7/8..

4 3/16..

5 7/16..

5 3/4 ...

5 11/16..

8 3/4 ...

8 11/16..

10 5/32..

12 3/8..

4 3/8..

5 11/16..

6 ...

5 15/16..

9 1/8..

9 1/16..

10 19/32..

12 15/16..

4 9/16..

5 15/16..

Table XXXI Length Of Cast Or Wrought Iron Bars In  200179

Rough Head=one and one-half diameter of bolt + 1/8

Table XXXI Length Of Cast Or Wrought Iron Bars In  200180

Finished Head = one-half diameter of boll + 1/16.

Table XXXI Length Of Cast Or Wrought Iron Bars In  200181

Bough head-one half distance between parallel sides of head.

Table XXXI Length Of Cast Or Wrought Iron Bars In  200182

Finished head-diameter of bolt-1/16