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Ultra High Strength Sucker Rod (Non API)
 Ultra High Strength Sucker Rod (Non API) |
Product Description
Ultra High Strength Sucker Rod is Nine-Ring premium product and is designed to be used with moderate to heavy loads in non-corrosive or effectively inhibited wells. The ultra high strength sucker rod is using AISI 4130 special alloy steel to manufacture.
The unique of the ultra high strength sucker rod is that the rod has a thin compression layer 10-15% at the rod surface that remains under compression even under normal operating tensile loads.
Ultra High Strength Sucker Rod is using ultra audio induction quenching technology to further process from the Grade D sucker rod. The metallographic structure is acicular martensite, the crystalline grain is fine and even. After shot- blasting, the rod has higher tensile strength (980~1200 MPa), surface hardness (HRC≥42) and surface residual compress stress (≤-200MPa). Also the rods provide with higher fatigue strength.
Key Benefits
Energy saving through pumping with a lighter string with no compromise in production;
Higher fluid production with existing pumping unit;
Reduction in the size of pumping unit with no reduction in production;
Increase pumps speed for additional production;
Extended service life and cost saving.
Heat Treatment
Quenched - Tempered - Surface hardening
*The above values are for general information only. Nine-Ring reserves the right to modify them according to internal specifications and without prior notice.
| Chemical Properties, % | |
| Steel | AISI 4130 |
| C | 0.26~0.33 |
| Si | 0.17~0.37 |
| Mn | 0.40~0.70 |
| Cr | 0.80~1.10 |
| Ni | ≤0.3 |
| Mo | 0.15~0.25 |
| Cu | ≤0.25 |
| P | ≤0.015 |
| S | ≤0.015 |
| Mechanical Properties | |
| Yield Strength 0.2% offset, PSI | - |
| (MPa) | - |
| Ultimate Tensile Strength, PSI | 152,000~170,000 |
| (MPa) | (1050)~(1176) |
| Rod Size, OD | 5/8″, 3/4″, 7/8″, 1″ |
| (mm) | (15.88), (19.05), (22.23), (25.40) |
| Rod Length | 25’, 30’ |
| (m) | (7.62), (9.14) |
| Company: | Shandong Nine-Ring Petroleum Machinery Co., Ltd. |
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