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A resin coated metal pipe has a plane surface portion formed with a coating resin as one body. By arranging many resin coated metal pipes in parallel such that the plane surface portions point upward, a lightweight structure, such as a bench, a flower stand, a draining board, and so forth can be ass

A resin coated metal pipe has a plane surface portion formed with a coating resin as one body. By arranging many resin coated metal pipes in parallel such that the plane surface portions point upward, a lightweight structure, such as a bench, a flower stand, a draining board, and so forth can be assembled easily. Slippery or anti-slippery synthetic resin may be used as a part of or all the plane surface portion having a color different from the coating resin.

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In a resin coated metal pipe for a lightweight structure including a synthetic resin coated and adhered on an outer surface of a thin metal pipe to form a resin coated pipe, said resin coated metal pipe having a plane surface for said lightweight structure characterized in that a plane surface porti

In a resin coated metal pipe for a lightweight structure including a synthetic resin coated and adhered on an outer surface of a thin metal pipe to form a resin coated pipe, said resin coated metal pipe having a plane surface for said lightweight structure characterized in that a plane surface portion having a predetermined width can be formed with said resin as one body in the tangent direction of the outer surface of said resin coated metal pipe, wherein a turndown edge is provided at a side end of said plane surface portion in parallel with a pipe axis.