| Customization: | Available |
|---|---|
| After-sales Service: | 24h Online |
| Warranty: | 1 Year |
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Standard:
API SPEC 5L--A standard by the American Petroleum Institute, renowned for its excellence and reliability.
GB/T9711--Esteemed China National Standard, ensuring top-tier quality and performance.
Uses:
Expertly designed for efficient and secure transportation of oxygen, water, and oil within the prolific oil and gas industry.
Main production steel pipe grades:
L245 / Gr.B, L290 / X42, L320 / X46, L360 / X52, L390 / X56, L415 / X60, L450 / X65, L485 / X70 - Each grade engineered to meet specific demands with precision and dependability.
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. Our products are carefully packaged with export-ready sea-worthy materials, enhanced with water-resistant paper, ensuring optimal protection during transit.
2. Our highly skilled professional teams ensure safe loading and secure fixing, prioritizing safety and efficiency.
Delivery Detail: Your order will be dispatched within 7 to 10 working days post deposit confirmation, or tailored to your specific order quantity for timely delivery.
Wuxi Tongno Special Steel Co., Ltd. Founded in 2013 with a robust capital foundation of 5 million yuan, Wuxi Tongno Special Steel Co., Ltd. has emerged as a leading force in the seamless steel pipe manufacturing industry. With years of dynamic growth, Wuxi
T ongnoSpecial Steel Co., Ltd. proudly operates three advanced seamless steel pipe production lines, emphasizing our commitment to quality and innovation. Special Steel Co., Ltd. steadfastly upholds the business philosophy of 'quality first, customer first.' We guarantee high-precision products, offering a broad spectrum of wall thicknesses and catering to diverse, small-batch needs with remarkable speed. Our production is renowned at a domestic level, particularly excelling in small-diameter medium-thick-walled and large-calibre thin-walled alloy seamless steel pipes. Our products stand out in both domestic and international markets, playing pivotal roles in various construction projects and showcasing our exceptional manufacturing prowess.
1. Exceptional Service: We pledge a prompt response to all inquiries within a remarkable 12-hour timeframe, ensuring you never have to wait.
2. Certifications: We proudly boast prestigious certifications, including ISO 9001, CE, and SGS, underscoring our unwavering commitment to quality.
3. Cost-Effective Quality: Experience the perfect blend of affordability and superior quality, thanks to our direct sourcing from our state-of-the-art factory.
4. Robust Production Capacity: Our production prowess is unmatched with a staggering monthly output of 20,000 tons, ensuring no delays and seamless production.
5. Flexible Payment Terms: We offer a variety of payment options, including T/T and L/C, designed to accommodate your financial preferences.
6. Swift Delivery & Standard Export Packaging: Anticipate rapid delivery of our products, meticulously packaged in accordance with international export standards.
7. Factory-Direct Advantage: Our integrated factory setup allows us to deliver unbeatable prices without sacrificing the hallmark of our quality.
8. Third-Party Testing: We actively encourage third-party testing to assure you of the superior quality of our products.
9. Expert Team Support: Benefit from the support of our expert sales team and robust factory foundation, always ready to assist.
10.Dedicated to Customization: Your specific needs are at the heart of our operations. We're devoted to fulfilling every custom request to your utmost satisfaction.
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