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Question:

I would like to ask about the supporting strength of channel steel!

If there is a cylinder, the diameter is about 1000mm, height is about 1000mm, similar to the kind of pressure vessel, plate thickness 6mm 304 of stainless steel, want to use 4 channel steel leg support, how big is appropriate? How do you calculate it?

Answer:

This is the main push rod stability problem, the strength of individual words feel no need to calculate, the compressive strength of steel are great, you can also check the tensile strength of 304 stainless steel is 205MPa, the compressive strength will certainly be much higher.
You can only use a few conditions to calculate the weight of the container, do not know what you have in this container, and how much it is loaded. I'm in the container to count on it.The volume of the cylinder is =2 * 3.14 x 500 x 1000 x 6=1.884 * 10^7 (mm3),The volume of the cylinder cover is =2 * 3.14 x 500^2 * 6=9.42 * 10^6 (mm3),
The load of an upright vessel is as follows:Equipment quality cut offSeismic load - natural vibration period, horizontal seismic force, vertical seismic force and earthquake bending moment.Wind load horizontal wind and wind bending momentEccentric load -- eccentric moment caused by eccentric massAny dangerous section of a vessel - the maximum bending moment caused by earthquake, wind, and eccentric loadsSo your problem, rigorous design attitude, can't be calculated because of the lack of conditions
What's in the pressure vessel?Calculate the weight, each channel bear 1/4, calculate the required area of A=N/p, and then channel selection.Very simple buddy.

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