7 Simple Team Building Exercises 7 Simple Team Building Exercises shenzhoutongsteel.com Product Pre- galvanized Process Pre- galvanized Standard BS1387,JIS G3444,ASTM A53 Material S235JR,S275JR,STK400,STK500 O.D 1/2”--26”(21.3--660mm) W.T 0.055”--0.315”(1.65--8mm) Length As per customer’