AISC changes W21x 55 vs W21x57
AISC changes W21x 55 vs W21x57
(OP)
AISC Wide Flange Shapes
W21x55 is not in the 9th edition, but shows up in the 14th edition. How does that happen?
W21 x 57 are in both editions!
W21x55 is not in the 9th edition, but shows up in the 14th edition. How does that happen?
W21 x 57 are in both editions!






RE: AISC changes W21x 55 vs W21x57
RE: AISC changes W21x 55 vs W21x57
RE: AISC changes W21x 55 vs W21x57
RE: AISC changes W21x 55 vs W21x57
http://www.aisc.org/askaisc/default.aspx
I bet they would answer your question regarding the steel manuals, history of the shape, availability, rolling schedule, etc...
RE: AISC changes W21x 55 vs W21x57
BA
RE: AISC changes W21x 55 vs W21x57