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16B26 Steel Beam?

16B26 Steel Beam?

16B26 Steel Beam?

(OP)
I have a building that was built around 1971 which has 16B26 wide flange roof beams.  Anyone have material properties on this shape?  

RE: 16B26 Steel Beam?

What you have is a design or fabrication piece mark.  This would typically designate a W16x26, a standard shape available then and now.  You should be able to find the properties from a variety of sources.

RE: 16B26 Steel Beam?

vmirat,

16B26 was the designation of a light beam in use around the 70's.   His section properties are very similar to the W16X26.

An old Bethlehem booklet show the following properties:
 
Area = 7.65 in^2
Depth = 15.65"
Flange width = 5.500"
Flange ave. thickness = 0.345"
web thickness = 0.250"
d/Af = 8.25
Ix = 298.1 in^4
Sx = 38.1 in^3
rx = 6.24"
Iy = 8.71 in^4
Sy = 3.17 in^3
ry = 1.07"

This section is non-compact for ASTM A242, A440 and A441 steels.

Note the difference in the properties about the Y-axis between this section and the W16X26.    I think it is due to the flange of the 16B26 being tapered.

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