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  Construction material ASTM A53 schedule 40 galvanized steel pipe,GI steel tubes Zn coating 60-400g/m2 with high quality

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  Manufacturer preferential supply BS1387/astm a53 hot dipped galvanized steel pipe ,Seamless tube 5 tons preferential 10 usd

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  Top Quality hot-rolled 8 inch schedule 40 galvanized steel pipe with high quality

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  Galvanized steel pipe/Galvanized square tube/Galvanized rectangular tube

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