... 5-12meters 3. API & ISO certificated ASTM A106/A53 Gr.B carbon steel pipe 1. OD 10.3-610mm WT ... & ISO certificated 4. MOQ: 1 MT ASTM A106/A53 Gr.B carbon steel pipe: Steel GradeAPI 5L Grade B/ASTM ... A106/A53 Gr.BO.D.1/8"--24"W.T. SCH10--XXSLength5 ... East, America, Europe,etc. We supply ASTM A106/A53 Gr.B carbon steel pipe,seamless pipes, welded pipes, galvanized pipes ...