... pipe 1.Standard:ASTM,API,DIN,GOST 2.Grade:A53,A106,API 5L Gr.B 3.Size:1/2-20inch ASTM ... A53/A106/API 5L Gr.b seamless steel pipe Product Introduction: 1 ... inch Thickness: 2mm-60mm 3. Steel Grade:A53 (A,B),A106(A,B),API 5L Gr.B,X42,X52,X60,st42 ... cap,marking,bundles,wowen bag. 6. Tolerance:According to the specification we adopt. 7. Technique:Cold drawn for small size,hot ...