Material.

Remarks.

Per Cent, of

Modulus of Elasticity, in pounds-inch, for

Tension, in pounds, per square inch.

Compression, in pounds, per square inch.

Ultimate of Rupture, per square inch k,

Ultimate Shearing stress, per square inch.

g=across grain.

g1=along grain.

Per Cent of

Elogation.

Per Cent.

of

Contraction of Area.

Number of teats averaged

Authority

Carbon.

Silicon.

Manganese

Tension.

Compression.

Cross-Breaking.

Elastic Limit.

Ultimate

Stress, t.

Elastic Limit.

Ultimate

Stress, c.

Wrought

Iron.

Different English Irons.

..

..

..

28560000

28985000

..

28500

56000

27000

..

..

..

7,01 to 17,87

5,9 to 51,4

12

EnglihsCommittee

"

German

" .

TESTED IN SIX DIFFERENT DIRECTIONS ACROSS AND ALONG THE GRAIN.

g=34to45000

..

..

.

Bausehinger

g=15to22000

American Tie Rod 3 1/4 d.

..

..

..

..

..

..

22865

38085

..

..

..

..

2,4

2,2

2

Watortown Arsenal

"

"

4/5d

..

..

..

..

..

..

32716

64416

..

..

..

..

21,0

42,1

3

Wrought Steel.

10' Channel .....

..

..

..

..

..

..

44650

78675

36235

41890

..

..

23,6

48,8

2

1/2' Rolled Plate.....

0,14

..

..

32000000

38250000

42000

63000

39500

..

..

g =18600

21,8

49,2

12

Bauschinger

"

" ...

0,51

..

..

31450000

32500000

..

46400

80000

46000

..

..

g=57000

14,3

85,1

"

" ...

0,78

..

..

33550000

32450000

..

53200

92000

53000

..

..

g = 59000

11,4

19,1

"

" ...

0,96

..

..

30900000

32700000

..

69000

118000

71000

..

..

g=83000

6,6

10,0

Cast, Crucible and Bessember

English Steels

Mean of 27 samples..

..

..

..

29300000

30000000

..

47600

88800

47000

..

..

..

0,89

1,30

27

English

Steel

Committee

Lowest (Bessemer)

..

..

..

28400000

29100000

..

85840

74000

33600

..

..

..

to

to

Highest (Cast)....

..

..

..

29900000

31500000

..

60480

122600

60480

..

..

..

13,61

48,7

American

Steel.

Tubes for Killed Cannon

..

..

..

..

..

..

32to52000

58 to 91000

46to54000

83 to 104000

..

..

4,7 to 30

11,8 to 59,3

206

Watertown

Arsenal

8" Rifled Cannon....

..

..

..

..

..

..

30 to67000

74 to 115000

..

..

..

..

5,8 to 31

0 to 57

52

Steel Wire.

Am. tinned wr. for Can'n

..

..

..

..

..

..

160 to 18100

..

..

..

..

..

8,4 to 21,8

19

foreign wire

"

"

..

..

..

..

..

..

264 to 329680

..

..

..

..

..

12,2 to 23,6

9

Cast Steels.

Cast Steel, Open-Health

0,55

0,13

0,96 & 0,029% of photphorus

32000000

35 to 48000

60 to 97440

39 to 45000

65 to 74800

..

..

2,0 to 18,0

1,5 to 30,6

23

Averaged from 14 tests

0,33

0,23

0,62

..

..

..

..

740000

...

....

..

..

23

41

5

Foster.

0,50

0,40

0 66

..

..

..

..

96000

....

....

..

..

9

12

3

0 77

0,46

0,67

..

..

..

..

85000

....

....

....

..

1,6

2

3

0,96

0,69

0,64

..

..

..

..

78000

....

....

....

..

1,33

1,6

3

American Steel....

29120000

..

24400000

29120

47264

28672

....

24125

..

0,4 to 29,9

..

11

Abbott

Steel.

Bessemer Plates.....

TESTED IN SIX DIFFERENT DIRECTIONS ACROSS AND ALONG THE GRAIN.

g= 53 to 66000

..

..

.

Baushinger

g=47 to 56000

Malleable Cast Iron.

Square 1/4'........

American

....

....

....

....

1635

36176

....

....

....

..

3,8

5.8

2

Ricketts

Rectangular 1'x3/5'...

"

....

....

....

....

2979

84272

....

....

....

..

2,4

6,6

1

Circular 1/2' diameter..

"

....

....

....

....

2285

38976

....

....

....

..

3.5

10,0

1

"

3/4'

"

"

....

....

....

....

1456

31032

....

....

....

..

1,3

8,9

2

German....

.......

....

....

....

9856

36736

....

....

....

..

..

8,2

.

Martens

Cast Iron.

American, average..

.......

....

....

....

17 to 30740

48 to 54800

....

..

..

..

44

Watertown

Arsenal

"

1/3'to 1' thick.

All undressed (with skin on.) the dressed ones (planed.) were found to be slightly stronger and results more regular.

16453000

....

....

....

....

44680

..

..

..

7

"

1' thick....

15483000

....

....

....

....

40640

..

..

..

1

"

1' to 2' thick...

15296000

....

....

....

....

87032

..

..

5

"

2'thiok...

13767000

....

....

....

....

36600

..

..

..

2

Table XXXV. Bearing Values For Ikon And Steel Rivets And Pins

Table XXXV Bearing Values For Ikon And Steel Rivet 200207

Table XXXVI. Iron And Steel Pins And Bolts

Table XXXVI Iron And Steel Pins And Bolts 200208

Table XXXVI. Bearing Values For Ikon And Steel Pins And Bolts

Table XXXVI Bearing Values For Ikon And Steel Pins 200209

Table XXXVII. Or Iron And Steel Pins And Bolts

Table XXXVII Or Iron And Steel Pins And Bolts 200210

Table XXXVII. Bearing Value For Iron And Steel Pins And Bolts

Table XXXVII Bearing Value For Iron And Steel Pins 200211

Table XXXVIII. Shearing, Bending And Tensional. Values

for iron and steel rivets, pins and rous of one-fourtti to one inch in diameter,

Table XXXVIII Shearing Bending And Tensional Value 200212

Table XXIX Steel Pins And Rods 1 To 3 Inches In Diameter

Table XXIX Steel Pins And Rods 1 To 3 Inches In Di 200213

Table XXXIX. Shearing, Bending And Tensional Values Fob Ikon And Steel Pins And Rods 1 To 3 Inches In Diameter

Steel Pins and Rods 3 to 6 Inches in Diameter.

Steel Pins and Rods 3 to 6 Inches in Diameter.

Table XXXIX Shearing Bending And Tensional Values  200215

Table XL. Sheaking, Besding And Tensional Values For Iron And Steel Pins And Rods 3 To 6 Inches In Dlameter

Table XL Sheaking Besding And Tensional Values For 200216

Table XLI. Wrought-Iron Riveted Girders. Strength Of Webs

LENGTH OF THE ANGLE BARS.

LENGTH OF THE ANGLE BARS.

Ik Anoge Bars are of Steel all Rivets Must be of Steel.

Ik Anoge Bars are of Steel all Rivets Must be of Steel.

For Steel Angle BARS Add ono quarter to safe load on iron bars, but length of span (in feat) must not exceed twice the depth of girder (in Inches) or deflection will be too grout for plasterling.