Certification:API 11B O.D:16,19,22,25,29,32,38 Grade:K,C,D Length:7.62-10.00m Sucker rod is ... (MPa)Rel(MPa)A(%)200mmZ(%)Sucker Rod and Pony Rodφ16φ19φ22φ25φ29φ32φ38K620795415≥ 13≥ 607.628.009 ... .00C620795415≥ 13≥ 50D795965590≥ 10≥ 50HighStrengthandAnticorrosionTechnicalParameterNameSizeGradeRm(MPa)Length (m)High Strengthφ16φ19φ22φ25φ29φ32KD7959657.6208.0009.14010.00 API ...