Material:Q195-Q345 Surface: bright, black,galvanized Shape: round, square, rectangular High quality erw steel pipe Material:Q195-Q345 Surface: bright, black,galvanized Shape: round, square, rectangularERW Round TubingHigh quality erw round steel pipeMaterial: Q195---Q235 ,BS1387,ASTM A36,A500 Anneal: Black and Bright Length: 5.8m, 6m, 12mOD(mm)Thickness(mm)12—750.7--2.015—2190.7—2.0219--8205.0—15 ...