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旧 2009-09-15, 10:25 AM   #1
huangyhg
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默认 old steel properties

old steel properties
can anybody tell me the properties for 16b61 ? and if i have more where can i find these info.
thanks
most all older us shapes can be found here:
i looked in aisc there was no 16b61; there's a 16ba at 60.5 #/lf - shown below. the next closest were w=58 & 63
library: historic
type: b
id = 190
designation = b16a
w = 60.5
a = 17.89
d = 16
tw = 0.39
bf = 8.5
tf = 0.708
t = 13.287
k = 1.357
bf_2tf = 6.01
h_tw = 34.1
fy3p = 55
x1 = 2747
x2 = 2614
ix = 812.1
zx = 112.6
sx = 101.5
rx = 6.74
iy = 64.3
zy = 24.3
sy = 15.1
ry = 1.9
j = 2.71
cw = 3759
a = 59.9
wno = 32.5
sw = 48
qf = 21.9
qw = 56
fstr = s24 1927,s27 1928,s35 1930,

i am very very sorry it was 24 b 61.
nothing to be sorry about.
i couldn't find 24 b 61 in the aisc database. what's the depth of the beam? is it 24" or 27"? according to aisc "b" is a carnegie beam; i looked in an old carnegie steel manual cicra 1920 and they have two ways of designating beams, one is called "section index". i found a 27" beam at 90 #/lf that was designated as "b61". the properties are posted below:
library: historic
type: all (depth)
id = 54
designation = b61
w = 90
a = 26.34
d = 27
tw = 0.524
bf = 9
tf = 0.708
t = 24.306
k = 1.347
bf_2tf = 6.36
h_tw = 46.4
fy3p = 30
x1 = 1860
x2 = 17103
ix = 2958.3
zx = 253.1
sx = 219.1
rx = 10.6
iy = 75.3
zy = 28.1
sy = 16.7
ry = 1.69
j = 3.93
cw = 13014
a = 92.6
wno = 59.2
sw = 94
qf = 39.4
qw = 127
fstr = c 1916,c 1917,c 1919,c 1920,c 1921,c 1923,
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