| Customization: | Available |
|---|---|
| After-sales Service: | 24h Online |
| Warranty: | 1 Year |
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Standard:
API SPEC 5L--Adhering to the prestigious American Petroleum Institute Standard
GB/T9711--Compliant with China's National Standard for guaranteed quality
Uses:
Expertly designed for the seamless transportation of oxygen, water, and oil within the oil and gas industry, ensuring safety and efficiency.
Main production steel pipe grades:
Available in a diverse array of robust grades, including L245 / Gr.B, L290 / X42, L320 / X46, L360 / X52, L390 / X56, L415 / X60, L450 / X65, L485 / X70, each carefully selected to meet your specific project requirements.
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 export packaging is designed for the sea's challenges, combining durability with a water-proof paper layer to ensure your product arrives in pristine condition.
2. Experience peace of mind with our safe loading and fixing, managed by highly professional teams dedicated to protecting your investment.
Delivery Detail: Expect your order to be dispatched within a swift 7-10 working days after we receive your deposit. We also tailor our delivery timelines to match your specific order quantity, ensuring a seamless and efficient process.
Wuxi Tongno Special Steel Co., Ltd. was founded in 2013 with a registered capital of 5 million yuan and is dedicated to the professional production of seamless steel pipes. Over the years, Wuxi Tongno Special Steel Co., Ltd. has witnessed remarkable growth and now boasts three distinct types of seamless steel pipe production lines.
Wuxi Tongno Special Steel Co., Ltd. steadfastly upholds the 'quality first, customer first' business philosophy. This commitment ensures products of high precision, offering a wide range of wall thicknesses while accommodating small order quantities with a diverse array of varieties. Our production is characterized by swift delivery and stands at the forefront of domestic advancements. Our expertise shines particularly in manufacturing small-diameter medium-thick-walled and large-calibre thin-walled alloy seamless steel pipes, earning us a distinguished reputation both domestically and internationally. Our products are celebrated for their contribution to numerous construction projects, showcasing their unique manufacturing strengths.
1. Exceptional Service: We promise lightning-fast responses to all inquiries, ensuring you hear back from us within just 12 hours.
2. Certifications: We are exceedingly proud to hold prestigious ISO 9001, CE, and SGS certifications, reflecting our unwavering dedication to quality.
3. Cost - Effective Quality: Experience the perfect balance of affordability and excellence with our competitively priced products, directly sourced from our factory, ensuring top-notch quality.
4. Robust Production Capacity: Boasting a formidable production capacity of 20,000 tons monthly, we maintain a smooth and efficient production flow, meeting all demands effortlessly.
5. Flexible Payment Terms: We offer a versatile range of payment options, including T/T and L/C, to accommodate your financial preferences with ease.
6. Swift Delivery & Standard Export Packaging: Rest assured with our rapid delivery services and products meticulously packaged to comply with stringent international export standards.
7. Factory - Direct Advantage: Benefit from our factory-direct approach, allowing us to provide you with competitive prices while maintaining impeccable quality.
8. Third - Party Testing: We wholeheartedly welcome third-party testing, offering full transparency to validate the superior quality of our products.
9. Expert Team Support: Our knowledgeable and professional sales team, along with our dependable factory support, ensures you receive expert guidance every step of the way.
10.Dedicated to Customization: Your unique specifications are the foundation of our service. We are wholeheartedly committed to fulfilling every personalized request with precision and care.
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