Pîvaza Steel ya Erw
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ASTM A500 Pîvaza Steel Square ya Beriya Galvanized
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Bs 1387 Pipe Steel Galvanized Hot-Dip
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Astm A795 hot-dip galvanized erw pipe steel grooved
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ASTM A53 GR.B-DIP GALVANIZED SHEEL PIPE
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Berxwedana elektrîkê ya ku bi kevirên Steel Tubên Steel ve hatî standin
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Sans 657-3, en 10305, DIN 2391
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Galvanized Scaffolding Pipes and Accessories
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Tubên Square & Rastangular