API 11B Steel Sucker Rods
API 11B Sucker Rods Steel Mill: MoLong Steel Standards: API Spec 11B OD: 5/8″, 3/4″, 7/8″, 1″, 1 1/8″ Grades:C, K, D, high strength,anti-corrosive coating, polished Rod lengths: 7.72m, 8.00m, 9.14m(Normal ) The sucker rod is a crucial component of rod pumping equipment. It connects the upper rod to the pumping unit through a…