... .Outer Diameter: 65-1220mm 2.Thickness:8-38mm Anti corrosive steel pipe1)Standard: BS EN 10296,BS EN 10025,BS EN10297 ... ,SY/T5040, ASTMA252, EN10217,EN10219, API 5L22)Type:seamless steel pipe,SAW,ERW,SSAW3)Grade: Q235B Q345B X42-X70,API ... -38mm6)Length: 3m-12.3m7)End:Beveled,flange,Plain,beveled/straight cut, plastic or mental ends protectors8)Surface Treatment: Anti-corossion ...