API 5CT/5L, J55,K55,N80, manufacture of Seamless steel pipe for drilling tube:48.26-114.30mm OD,casing:114.30-219 ... .08mm OD TypeSeamless steel pipe for drillingBrand NameTMSSPStandardAPI 5CT/5LGradeJ55, N80Outside ... .Welcome your freely contact.Regards,Chris LiuTianJin Master Seamless Steel Pipe Co., LtdMob:+86-22-13652086027 +86-22-13612025515Tel:+86- ...