Steely pumping rod (level D):
1. Standard: API SPEC 11B
2. Material: Alloy steel
3. Features: High strength, better plasticity
Steely pumping rod and short rod (level D): Steely pumping rod is one of the important equipment for oil field. Level D pumping rod is the leading product produced in line with latest standard of API SPEC 11B, which is made from high-quality alloy steel, and after heat treatment, it features high strength, better plasticity, long service life, etc, applicable in the deeper oil well without corrosive medium or with slightly corrosive medium.