| Customization: | Available |
|---|---|
| After-sales Service: | 24h Online |
| Warranty: | 1 Year |
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Standard:
API SPEC 5L--Conforming to the prestigious American Petroleum Institute Standard, our pipes uphold the highest level of quality and performance.
GB/T9711--Manufactured as per the China National Standard, ensuring excellent reliability and efficiency.
Uses:
Our seamless steel pipes are expertly crafted for transporting oxygen, water, and oil, catering specifically to the dynamic needs of the oil and gas industry.
Main production steel pipe grades:
We offer an extensive range of steel pipe grades including L245 / Gr.B, L290 / X42, L320 / X46, L360 / X52, L390 / X56, L415 / X60, L450 / X65, and L485 / X70, each engineered for optimal performance.
Dimensional tolerances:
| Pipe Types | Diameter(D) | Wall thickness(S) | ||
| Outer diameter of steel pipe(mm) | Permissible deviation(mm) | Wall thickness of steel pipe(mm) | Permissible deviation(mm) | |
| Steel Pipes | ≥60.3,S<20 | ±0.75% | ≤73.0 | +15%,-12.5% |
| ≥60.3,S≥20 | ±1.00% | >73.0,S<20 | +15%,-12.5% | |
| >73.0,S≥20 | +17.5%,-10 | |||
Chemical composition:
| Standard | Grade | Chemical Components(%) | |||||||
| C | Si | Mn | P | S | Cr | Ni | Cu | ||
| API SPEC 5L GB/T9711.2 |
L245 /Gr.B | ≤0.28 | / | ≤1.2 | ≤0.03 | ≤0.03 | ≤0.50 | ≤0.50 | ≤0.50 |
| L290 / X42 | ≤0.28 | / | ≤1.3 | ≤0.03 | ≤0.03 | ≤0.50 | ≤0.50 | ≤0.50 | |
| L320 / X46 | ≤0.28 | / | ≤1.4 | ≤0.03 | ≤0.03 | ≤0.50 | ≤0.50 | ≤0.50 | |
| L360 / X52 | ≤0.28 | / | ≤1.4 | ≤0.03 | ≤0.03 | ≤0.50 | ≤0.50 | ≤0.50 | |
| L390 / X56 | ≤0.28 | / | ≤1.4 | ≤0.03 | ≤0.03 | ≤0.50 | ≤0.50 | ≤0.50 | |
| L415 / X60 | ≤0.28 | / | ≤1.4 | ≤0.03 | ≤0.03 | ≤0.50 | ≤0.50 | ≤0.50 | |
| L450 / X65 | ≤0.28 | / | ≤1.4 | ≤0.03 | ≤0.03 | ≤0.50 | ≤0.50 | ≤0.50 | |
| L485 / X70 | ≤0.28 | / | ≤1.4 | ≤0.03 | ≤0.03 | ≤0.50 | ≤0.50 | ≤0.50 | |
Mechanical properties:
| Standard | Grade | Tensile strength (MPa) | Yield strength (MPa) | Elongation (%) |
| API SPEC 5L GB/T9711.2 |
L245 / Gr.B | ≥415 | ≥245 | ≥18 |
| L290 / X42 | ≥415 | ≥290 | ≥18 | |
| L320 / X46 | ≥435 | ≥320 | ≥18 | |
| L360 / X52 | ≥460 | ≥360 | ≥18 | |
| L390 / X56 | ≥490 | ≥390 | ≥18 | |
| L415 / X60 | ≥520 | ≥415 | ≥18 | |
| L450 / X65 | ≥535 | ≥450 | ≥18 | |
| L485 / X70 | ≥570 | ≥485 | ≥18 |
Packing Details:
1. Carefully crafted for export, our sea-worthy packaging is enhanced with protective, water-proof paper to ensure the utmost safety of your Custom Seamless Steel Pipeline API SPEC 5L during transit.
2. Our professional teams are adept at securing and loading, providing safe and efficient fixing of your products, ensuring they arrive at their destination in pristine condition.
Delivery Detail: Experience swift delivery within just 7-10 working days post receipt of deposit, or tailored to your specific order quantity, ensuring that your schedule remains uninterrupted and on track.
Wuxi Tongno Special Steel Co., Ltd. Wuxi Tongno Special Steel Co., Ltd., established in 2013 with a robust registered capital of 5 million yuan, stands as a premier enterprise dedicated to the art of seamless steel pipe manufacturing. Over the years, Wuxi Tongno Special Steel Co., Ltd. has flourished and now proudly operates three distinctive seamless steel pipe production lines.
Wuxi Tongno Special Steel Co., Ltd. is committed to an unwavering business philosophy of 'quality first, customer first.' This dedication ensures that our products are of the highest precision, featuring a vast array of wall thicknesses, catering to the demands for small quantities across numerous varieties, all delivered with exceptional speed. Our prowess in production is recognized on a domestic advanced level, particularly in crafting small-diameter medium-thick-walled and large-caliber thin-walled alloy seamless steel pipes. Globally, our products are esteemed in various project constructions, showcasing our unique manufacturing capabilities and energy.
1. Exceptional Service: We guarantee a swift and comprehensive response to all inquiries within an impressive 12-hour window.
2. Certifications: We proudly hold elite ISO 9001, CE, and SGS certifications, symbolizing our commitment to quality.
3. Cost-Effective Quality: Enjoy the dual benefits of competitive pricing and superior quality, as our products are sourced directly from our very own factory, ensuring no middlemen.
4. Robust Production Capacity: Our monthly production capacity of 20,000 tons guarantees uninterrupted and efficient manufacturing.
5. Flexible Payment Terms: We accommodate various payment methods, including T/T and L/C, for your convenience.
6. Swift Delivery & Standard Export Packaging: Anticipate rapid delivery along with products meticulously packaged to adhere to international export standards.
7. Factory-Direct Advantage: With our own factory, we offer remarkably competitive prices while steadfastly maintaining quality.
8. Third-Party Testing: We openly welcome any third-party testing to affirm the superior quality of our products.
9. Expert Team Support: Supported by a seasoned sales team and a dependable factory, ensuring excellent service.
10.Dedicated to Customization: Your specific needs aren't just met-they form the foundation of our service. We're devoted to fulfilling every customized request with precision.
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