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| Customization: | Available |
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| After-sales Service: | 24h Online |
| Warranty: | 1 Year |
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Seamless steel pipes for oilfield applications are precision-engineered tubular products manufactured through hot-rolling or cold-drawing processes without any welding seam. These pipes are specifically designed to meet the extreme demands of oil and gas extraction operations.
Main production steel pipe grades:
J55,K55,N80-1,N80Q,R95,M65,L80,C90,T95,C110,P110,Q125
Grade: 20,25,30,35,45,25Mn,Q345B,27SiMn,20MnTiB,26MnNbTi
Usage:
Seamless steel tubing for casing and tubing for oil wells
Mechanical properties:
| Grade | Tensile strength (MPa) | Yield strength (MPa) |
| J55 | ≥517 | 379~552 |
| K55 | ≥517 | ≥655 |
| N80 | ≥689 | 552~758 |
| L80(13Cr) | ≥655 | 552~655 |
| P110 | ≥862 | 758~965 |
Chemical composition:
| Grade | Chemical Components(%) | ||||||||||
| C | Si | Mn | P | S | Cr | Ni | Cu | Mo | V | Als | |
| J55K55 | 0.34~0.39 | 0.20~0.35 | 1.25~1.50 | ≤0.020 | ≤0.015 | ≤0.15 | ≤0.20 | ≤0.20 | ≤0.020 | ||
| (37Mn5) | |||||||||||
| N80 | 0.34~0.38 | 0.20~0.35 | 1.45~1.70 | ≤0.020 | ≤0.015 | ≤0.15 | 0.11~0.16 | ≤0.020 | |||
| (36 Mn2V) | |||||||||||
| L80(13Cr) | 0.15~0.22 | ≤1.00 | 0.25~1.00 | ≤0.020 | ≤0.010 | 12.0~14.0 | ≤0.20 | ≤0.20 | ≤0.020 | ||
| P110 | 0.26~0.35 | 0.17~0.37 | 0.40~0.70 | ≤0.020 | ≤0.010 | 0.80~1.10 | ≤0.20 | ≤0.20 | 0.15~0.25 | ≤0.08 | ≤0.020 |
| (30CrMo) | |||||||||||
1.Export sea worthy package + water proof paper
2.Safe loading and fixing Professional teams
Delivery Detail: within 7-10 working days after receiving the deposit or according to your order quantity.
Wuxi Tongno Special Steel Co., Ltd. was founded in 2013, the registered capital of 5 million yuan, for the professional production of seamless steel pipe manufacturing enterprises; after years of rapid development, Wuxi Tongno Special Steel Co., Ltd. now has three types of seamless steel pipe production line;
Wuxi Tongno Special Steel Co., Ltd. has been adhering to the 'quality first, customer first' business philosophy, to ensure that the products of high-precision, wide range of wall thicknesses, small quantities of many varieties, fast-paced characteristics of the production, sales in the domestic advanced level, especially in the small-diameter medium-thick-walled and large-calibre thin-walled alloy seamless steel pipe production at the domestic advanced level. Level. Products at home and abroad enjoy a reputation for a variety of project construction, play their own characteristics of manufacturing energy.
1. Exceptional Service: We guarantee a response to all inquiries within 12 hours.
2. Certifications: Proudly holding ISO 9001, CE, and SGS certifications.
3. Cost - Effective Quality: Benefit from competitive prices and top - notch quality, as our products are directly sourced from our own factory.
4. Robust Production Capacity: With a monthly output of 20,000 tons, we ensure seamless production.
5. Flexible Payment Terms: We accept various payment methods, including T/T and L/C.
6. Swift Delivery & Standard Export Packaging: Expect quick delivery and products packaged in line with international export standards.
7. Factory - Direct Advantage: Our own factory enables us to offer competitive prices without compromising on quality.
8. Third - Party Testing: We welcome any third - party testing to verify the quality of our products.
9. Expert Team Support: Backed by a professional sales team and a reliable factory.
10.Dedicated to Customization: Your individual specifications are not just accepted-they're the cornerstone of our service. We're committed to delivering on every customized request.
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