steel pipe(plain end) Size:1/2"-48" Material:A234-WPB,A420-WPL6,A234-WP12,A234-WP11,A234-WP5 1.Production:API 5L carbon steel pipe 2.Specification:21.3mm&457mm (1/2”-22”)*2mm-70mm 3.Standard:GB,ASTM,API5L,API5CT,DIN,JIS and so on 4.Out Diameter:21.3mm&457mm (1/2”-22”) 5.Wall Thickness:2mm-70mm 6.Grade:10#,20#,45#,16Mn,27SiMn,Q235,ST42,ST52,, A106-a,A106-b,and so on 7.Length:6-12m, As customers ...