30CrMnSiA Grade Drilling Pipe: Corrosion-Resistant, High-Strength & Weldable Wellbore Solution Engineered for medium-high pressure, weakly corrosive, and dynamically loaded well conditions, the ...더 보기
방문자의 메시지메시지를 남기세요
아직 공개된 의견은 없습니다.
EN10305-1 Steel Oil Well Pipe 30CrMnSiA Seamless Steel Drilling Rod Tube with Low Eccentricity