ASTM A53 Seamless steel pipe OD:10-610mm WT:1.57-60 mm Material:API 5L Gr.B,X42,X52,ASTM A53 A106 Length:5.8-12m 1.API ASTM DIN 2. Exported to USA,Italy,Germany , Malaysia, Hong Kong, India, Iran and many other countriesOD:10-610WT:1.57-60mm (SCH10 TO SCH160)Length:5.8m,6m,11.8m,12m,or as per orderTechnique:seamlessSurface Treatment:galvanization,black painting or as clients' orderSpecial pipe: ...