Investigations with Thin-Walled Steel Pipes Covered with Plastics.

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Huppertz, P.H.

Ziener, P.

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| 1600年 / 11期

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摘要：

Thin-walled steel pipes, covered with polyethylene were tested for possible application in gas distribution systems. The tests carried out so far prove that thin-walled POLYSTAL-tubes covered with synthetic material present a satisfactory alternative to tubes with regular types and thicknesses of walls up to excess operating pressures of 4 bar. In this report the main results of these preliminary tests as well as the information gained by their experience with regard to the laying out of the trial conduit-pipes are published.

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