We provide two sorts of polished rod, general polished rod and one end upset type polished rod. They all are designed in accordance with API Spec 11B and are made of fine alloy steel. Polished rod is featured by high strength, smooth surface (Ra 0.2-0.8um) and anti-corrosion fatigue strength and wear resistance property
Specifications
- Super-high Strength polished rod
- 1) Material: 20CrMo, 35 CrMo
- 2) Standard: API Spec 11B
- 3) Grade: H
- 4) Main process: Surface quenching with High Frequency Induction,
- 5) Surface roughness: Ra 0.2-0.8um
- 6) Rod diameter: 1", 1 1/8", 1 1/4", 1 1/2" inch
- 7) Rod Length: 26.25', 31.5', 36.8'
- Alloy-spraying polished rod
- Our newly Alloy-spraying polished rod was developed by spraying alloy on the
- Surface of the rod, to form a anti-corrosion and abrasion-resistance coating on it.
- It is featured as high strength, anti-corrosion and long service life.
- 1) Material: 20CrMo, 35 CrMo
- 2) Standard: API Spec 11B
- 3) Grade: H
- 4) Main process: Alloy-spraying on the rod surface
- 5) Rod diameter: 1", 1 1/8", 1/1/4", 1 1/2" inch
- 6) Rod length: 26.25', 31.5', 36.08' ft
Main Products
sucker rod, coupling, subsurface pump, oilfield machinery,