40 moleswobth's pocket-book
Weight of Angle and "f Ikon.
(By C. H. Jordan, Esq.)
Rule fob calculating Weight of ordinary Angle
and Y Iron.
~ of angle-iron per lineal foot.
z, — Breadths of flanges added in decimal parts Of a foot.
1 — thickness of angle-iron in decimal parts of a foot
w = Weight of iron in lbs. per sq. ft. of the thickness of the
angle-iron. W = (B_T)XW.
Ttan'i.uJ16’’, T1 H lrOn maybe fonni1 from tha TaMe8 of
are of ttn»° following manner, provided the web and flanges,
are oi tne same mean thickness:— ®
sum ofhtLnÄr^nthS 8ide1c°lumn ofthe Tables referred to, equal halfthe
f j d web’ anJ of both flanges ; then twice tlie weight
thSXs of IUhT0 V1 b|Lt-he weight per ltaeal foot’ “cording to the
uucsness, oi the channel or M iron required.
Weights of Angle and f Iron in lbs. per Lineal Foot.
Breadth of flange added. (ins.) Thickness in Fractions of an inch. I Breadths
K 150 । ’ To 1 * -9— 1 16 1 i I added. 1 (ins.)
2 I 1'13 1 1'46 1-76 | 2-03 — 1 2
21 1-21 | 1-56 1-89 2-19 __ —L 21
2| 1-29 1 1’67 2-02 | 2-34 .— 1 ■ 2X
2| 1 1-37 1-77 2-15 2*50 . ' 1
2} 1 *45 1'88 2-28 2-66 3-01 • —— 1 4 1 2| 23
2f 1’52 1'98 2-41 2-81 3-19 1 —
■‘■'x i-eo 2-08 2-54 2-97 3’37 1
1-68 2-19 2’67 3’13 3’55 1 21
3 1-76 2’29 2-80 3-28 3’74 4-17 1 . ■*8 3
2? 1-84 2-40 2’93 3-44 3’92 4’37
Si 1'91 2-50 3-06 3-59 4-10 4’58 °8 31
3| 1-99 2-60 3-19 3-75 4’28 4’79 — — 4 33
31 2'07 2-71 3-32 3’91 4’47 5-00 5-51 ° 8 3-1
3a 2'15 2-81 3*45 4-06 4'65 5-21 5’74 2 3f- 3 3
3| 2-23 2’92 3'58 4-22 4-83 5'42 5'98
3l 2-30 3'02 3-71 4-38 5-01 5 ’ 63 6’21 3 7
4 2-38 3-13 I 3’84 i 4-53 5-20 5-83 6’45 7'03 4
41 2'46 3-23 1 3-97 4’69 1 5'38 6-04 6-68 7'29 41
3’33 1 4'10
5’56 «•91 7’55 41
2-62 1 3-44 | 4-23 5-00 1 5'74 6’46 r -15 7-81 a
■4 1 2-70 ; 3'54 4-36 5-16 5-92 6’67 1 1 7-38 i 8-07 4i