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Question:
I am thinking of using 2 steel angles welded back to back, eight feet long. Weld an eye in the middle point connect to a winch/hoist. Chain at both end of the angle tired to a cantilever wood platform to hoist up load on the platform, gross weight about 1000 lbs. My question is what size of steel angle I need?
Anwser:
Quick look shows that a double 6" X 4" angle long legs back to back might work. Good starting point for analysis.
Moment equals 8 Kip feet. S= 5.6 in^3 Some lateral support should be necessary.
2000lbs is quite a heavy load. i think an angle won't do. you might need two I-beams. one I beam chained on top the other by an eyelet at the center. and then chains the end of the I-beam to hosit and then the wood platform in a cross manner.
you might want to try the smallest S-beam which is S5x10 @8 feet each without needing to do the calculations.......you might talk to the steel supplier for a smaller available S-beam.....
GB T 5312 Carbon and carbon-manganese steel seamless steel tubes and pipes are mainly for ship use, also known as shipbuilding steel pipes. Under GB T 5312, there are mainly 5 steel grades: grade 320, 360, 410, 460 and 490. Each grade covers three levels: I, II, III.
Angle steel, commonly known as angle iron, is a long strip of steel whose sides are perpendicular to each other. There are equal angle steels and unequal angle steels. The two sides of equal angle steel are equal in width. The unequal angle steel is also known as L shape profile steel.
Flat bar steel can be produced according to the user's needs, with fixed thickness, width and length. It can reduce the cutting process for users, reduce the consumption of labor and materials, and also reduce the processing loss of raw materials.
Bulb flat steel for shipbuilding
The bulb flat steel is a kind of medium section material which is mainly used in the field of shipbuilding and bridge building, and the shipbuilding bulb flat steel is an auxiliary medium section material for shipbuilding.
The steel for shipbuilding and oil platform---FH40, is the high tensile strength steel.The shipbuilding steel FH40 is the Hull structural steel.We can provide FH40 shipbuilding steel plate price.
The steel for shipbuilding and oil platform---EH40, is the high tensile strength steel.The shipbuilding steel EH40 is the Hull structural steel.We can provide EH40 shipbuilding steel plate price.
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