| Customization: | Available |
|---|---|
| Type: | Seamless/Welded |
| Technique: | Hot/Cold Rolled,Cold Draw,ERW,Saw,Efw,Extrude |
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Standard:
API SPEC 5L-Endorsed by the American Petroleum Institute, this standard ensures top-tier quality.
Uses:
These seamless steel tubes are expertly crafted for use in oil well casing and tubing, ensuring robust performance.
Main production steel pipe grades:
J55, K55, N80-1, N80Q, R95, M65, L80, C90, T95, C110, P110, Q125 - Precision-engineered to meet rigorous industry standards.
Dimensional tolerances:
| Pipe Types | Diameter(D) | Wall thickness(S) | |
| Outer diameter of steel pipe(mm) | Permissible deviation(mm) | Permissible deviation(mm) | |
| Cold Drawn Pip | <114.3 | ±0.79 | -12.50% |
| ≥114.3 | -0.5%,+1% | ||
| Standard | Grade | Tensile strength (MPa) | Yield strength (MPa) |
| API SPEC 5CT | J55 | ≥517 | 379~552 |
| K55 | ≥517 | ≥655 | |
| N80 | ≥689 | 552~758 | |
| L80(13Cr) | ≥655 | 552~655 | |
| P110 | ≥862 | 758~965 |
| Standard | Grade | Chemical Components(%) | ||||||||||
| C | Si | Mn | P | S | Cr | Ni | Cu | Mo | V | Als | ||
| API SPEC 5CT | 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) | ||||||||||||
Packing Details:
1. Export sea-worthy package complemented with water-proof paper for ultimate protection against environmental factors.
2. Ensuring safe loading and fixing with the expertise of our professional teams, guaranteeing security during transit.
Delivery Detail: We promise a swift delivery within 7-10 working days after receiving your deposit, or tailored to your specific order quantity.
Wuxi Tongno Special Steel Co., Ltd. was founded in 2013 with a registered capital of 5 million yuan. It stands as a premier enterprise specializing in the craftsmanship of seamless steel pipes. With years of rapid development, Wuxi Tongno Special Steel Co., Ltd. proudly operates three sophisticated seamless steel pipe production lines, embodying our commitment to excellence.
Wuxi Tongno Special Steel Co., Ltd. diligently adheres to the 'quality first, customer first' business philosophy. This ensures our products boast high precision, a diverse range of wall thicknesses, and cater to bespoke, small-batch needs, all while maintaining a fast-paced production ethos. Our domestic sales are at the forefront of the industry, particularly excelling in small-diameter medium-thick-walled and large-caliber thin-walled alloy seamless steel pipe production. Both in China and internationally, our products are esteemed for diverse construction projects, showcasing our distinctive manufacturing prowess.
1. Exceptional Service: We take pride in our commitment to outstanding service by guaranteeing a response to all inquiries within an impressive 12 hours.
2. Certifications: We proudly hold prestigious certifications, including ISO 9001, CE, and SGS, ensuring our products meet the highest standards of quality and reliability.
3. Cost-Effective Quality: Experience the perfect blend of affordability and top-notch quality with our products, which are directly sourced from our own state-of-the-art factory.
4. Robust Production Capacity: Our impressive production capacity, with a monthly output of 20,000 tons, ensures that we meet your demands efficiently and effectively, maintaining seamless operations at all times.
5. Flexible Payment Terms: We offer a wide array of flexible payment methods, including T/T and L/C, to suit your convenience and ensure smooth transactions.
6. Swift Delivery & Standard Export Packaging: Enjoy the benefits of our swift delivery service, with products packaged meticulously to meet international export standards, ensuring they reach you in pristine condition.
7. Factory-Direct Advantage: Leverage the advantage of buying directly from our factory, allowing us to offer you competitive prices while maintaining uncompromising quality standards.
8. Third-Party Testing: We welcome and encourage third-party testing of our products, assuring you of their superior quality and our transparency.
9. Expert Team Support: Our dedicated and professional sales team, paired with a reliable factory, is here to provide exceptional support and ensure a smooth experience for you.
10.Dedicated to Customization: Your unique specifications are not just welcomed-they are the driving force behind our exceptional service. We are resolutely committed to meeting each and every customized request you have.
√ Quality Assurance: Rigorous testing and certification
√Competitive Pricing: Cost-effective solutions without compromise
√ Reliable Delivery: On-time fulfillment guaranteed
√ Custom Solutions: Tailored to your exact specifications
√ Expert Support: Technical guidance at every stage
For further inquiries or specific requirements, please contact our sales team. We're committed to providing exceptional service and top-quality steel products for your projects.
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