Specifications

API 11B API polish sucker rod and Steel Anti-corrosion Sucker Rod
1. Sucker Rod and Pony Rod
2. Grade: D,H,K,KD,HY,HL

grade C: suitable for sour medium environment where they are not susceptible to sulphuric stress cracking.

grade D: suitable for the deeper oil well in the non-corrosion or light-corrosion medium.

grade K: suitable for light loading and corrosion medium shallow well.