... *10mm to 100*100mmThickness:0.6mm to 3.0mmBlack,Bright,Galvanized Steel PipesBS1387 ASTM A53 erw steel pipeerw steel pipeSpecificationRound steel ... *34, LTZ38*38Galvanized pipe1/2" -- 6" Black Pipe, Bright Pipe, Pre-Galvanized PipeMaterialQ195, Q215, Q235Length4M--12M as usual or as customer requiredThickness ...