Steel sucker rod is one of the major equipment for oilfield. Our grade D sucker rods are made according to API Spec. 11B.
Grade D sucker rod is made of fine alloy steel. It is featured by high strength, better plasticity and long service life after heat treatment. Grade D sucker rod is suitable for the deeper oil well in the non-corrosion or light- corrosion medium.
1) Material: 20CrMo, 35 CrMo 2) Standard: API Spec 11B 3) Grade: D 4) Main specification: 5/8" 3/4" 7/8" 1" 11/8" 5) length range: as your request