| Customization: | Available |
|---|---|
| After-sales Service: | 24h Online |
| Warranty: | 1 Year |
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Standard:
API SPEC 5L--Aligned with the renowned American Petroleum Institute Standard, ensuring top-notch quality and performance.
GB/T9711--Adhering to the esteemed China National Standard, a mark of excellence and reliability.
Uses:
Our pipes are meticulously designed for the smooth and secure transportation of oxygen, water, and oil, specifically tailored for the rigorous demands of the oil and gas industry.
Main production steel pipe grades:
Explore our versatile 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 offering unique strength and durability for diverse applications.
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. Export sea-worthy packaging combined with water-proof paper to ensure optimal protection and durability during transit.
2. Our expert teams specialize in safe loading and securing, guaranteeing that your products reach their destination in perfect condition.
Delivery Detail: Your order will be dispatched within 7-10 working days after the deposit is received, or aligned precisely with your specified order quantity.
Wuxi Tongno Special Steel Co., Ltd. was founded in 2013 with a registered capital of 5 million yuan, standing as a beacon of expertise in the seamless steel pipe manufacturing industry. Through years of dynamic growth, Wuxi Tongno Special Steel Co., Ltd. now boasts three robust seamless steel pipe production lines, symbolizing our commitment to excellence.
Wuxi Tongno Special Steel Co., Ltd. upholds an unwavering commitment to a 'quality first, customer first' ethos. Our products are renowned for their high precision, an extensive range of wall thicknesses, and adaptability to small batch production across diverse varieties. Our rapid production pace sets us apart, reaching domestic advanced levels, particularly in the production of small-diameter, medium-thick-walled, and large-calibre thin-walled alloy seamless steel pipes. Our offerings are celebrated both domestically and internationally, renowned for their pivotal role in diverse construction projects, showcasing our unique manufacturing prowess.
1. Exceptional Service: We guarantee a prompt response to all inquiries within an impressive 12-hour timeframe, demonstrating our commitment to remarkable customer care.
2. Certifications: We proudly uphold the highest standards with our ISO 9001, CE, and SGS certifications, solidifying our reputation for exceptional quality and reliability.
3. Cost-Effective Quality: Enjoy a perfect blend of competitive pricing and premium quality, as our products are directly sourced from our own state-of-the-art factory, ensuring the best value.
4. Robust Production Capacity: Our robust production capabilities boast a remarkable monthly output of 20,000 tons, guaranteeing a seamless and efficient production process.
5. Flexible Payment Terms: We offer a variety of flexible payment methods, including T/T and L/C, to cater to your convenience and ease of transaction.
6. Swift Delivery & Standard Export Packaging: Anticipate prompt delivery with products meticulously packaged to meet and exceed international export standards, ensuring they arrive in pristine condition.
7. Factory-Direct Advantage: Leverage the benefits of our own manufacturing facility, allowing us to offer you competitive prices without ever sacrificing quality.
8. Third-Party Testing: We openly welcome any third-party testing to verify and showcase the unparalleled quality of our products, reinforcing our transparency and trust.
9. Expert Team Support: Our professional sales team and dependable factory provide unmatched support, ensuring your needs are expertly met with precision and care.
10.Dedicated to Customization: Your individual specifications aren't merely accepted-they form the cornerstone of our service. We are wholeheartedly committed to fulfilling every customized request with excellence.
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