1.Attached street light the length from 5 to 12m. 2.thickness from ... to 4.5mm 3.surface hot-dip-galvanized &painting Specificationsstreet lamp pole 1. Material steel Q235 ,A36,SS400,GR50 or others2 ... . Hot galvanization 3. Powder painting , color is optionalstreet lamp pole1. Material high quality Q235,ss400,A36 hot rolled steel ...