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Posted by Jim Westman on December 15, 2011 at 3:04 PM.
I am currently building a small steel structure using a 9-foot high 4×4-inch square tubing, mild steel, 1/4-inch thick, to vertically support another non-moving horizontal beam.
I am desperately trying to find a place/chart/website/anything that can give me a rough idea if I am relatively safe in terms of vertical load capacity of the 4×4 post (it’s plum).
The load will potentially be as much as 5,000 pounds.
Any help would be so much appreciated.
Thank you in advance.