Casing Coupling 9-5/8" Buttress Grade K55 API5CT Seamless
Standard:API5CT;GOST-632-80
Specification:4-1/2"-20"
Connection:Buttress.LTC,STC,CS Hydrill;PH-6,VAM TOP,NEW VAM,FOX,etc
Steel Grade(Materials):H40,J55,K55,N80,L80,C-90,C95,T95,P110,Q125,13Cr-80,13Cr-110,Super 13Cr.
Contact:Bonnie Xu
Email:BonneXu@dlpoctg.com
Mob/Wechat:86+13602055205
SKYPE:BonnieXu22
Linkedin:BonnieXu
