Qingdao Sangao metal Structure Co.,Ltd is a professional 200mm to 400mm conical steel poles manufacturer and factory,Website:http://www.china-weldedpipes.com, we have been exporting high quality 200mm to 400mm conical steel poles made in China for years, welcome to contact us.Products Specification:HeightFrom 3 meter to 15 meterSuit forAirport, seaport, roadway, etcShapePolygonal, Conical or ColumniformMaterialNormally Q345B/A572, Minimum Yield Strength = 345 N/mm²Q235B/A36, Minimum Yield Strength = 235 N/mm²As well as Hot rolled coil from ASTM A572 GR65, GR50, SS400Tolerance of the dimensio
200MM TO 400MM CONICAL STEEL POLES