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Standard ASTM A500, ASTM A53, EN 10210 ,EN 10219 ,JIS G 3466 ,BS 1387, BS 6323 ,IS 1161,IS 3601,IS 3074 IS 4923, DIN 1626, DIN 2394. astm a500 rectangular section galvanized hollow steel tube square and rectangular tube hollow section. Hollow section Galvanized Steel Pipe steel pole. astm a500 rectangular section galvanized hollow steel tube Hollow section Galvanized Steel Pipe hot dipp astm a500 rectangular section galvanized hollow steel tube
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