Sucker rod standard:API 11B O.D:5/8",3/4",7/8",1", ... 1-1/8" Grade:K,C,D,HY,HL,S-87 Length:25FT Sucker rod ... and special material developed and anti-corrosion sucker rod, cooperating with international leading manufacturer to ... home and abroad. The capacity of sucker rod is 5,000,000meters per year, making good ... )Rm(MPa)Rel(MPa)A(%)200mmZ(%)Sucker Rod and Pony Rodφ16φ19φ22φ25φ29φ32φ ...