Custom Seamless Steel Pipe Pipeline API Spec 5L for Any Thickness¹

Product Description Product DescriptionOur Custom Seamless Steel Pipes for pipelines are meticulously crafted to excel in the transportation of oxygen, water, and oil within the dynamic landscapes of the oil and gas industry. These pipes are engineered to ensure reliability and efficiency, making them an indispensable choice for your infrastructure.Standard:API SPEC 5L--Adhering to the renowned American Petroleum Institute Standard, our pipes guarantee exceptional performance and compliance with industry benchmarks.GB/T9711--Conforming to the esteemed China National Standard, our products reflect superior craftsmanship and precision.Uses:Specifically designed for the seamless transportation of oxygen, water, and oil, these pipes are a cornerstone in the oil and gas industry, ensuring safe and efficient conveyance.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 tailored to meet diverse industry requirements with precision.Dimensional tolerances:Pipe TypesDiameter(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%,-10Chemical composition:StandardGradeChemical Components(%)CSiMnPSCrNiCuAPI SPEC 5LGB/T9711.2L245 /Gr.B≤0.28/≤1.2≤0.03≤0.03≤0.50≤0.50≤0.50L290 / X42≤0.28/≤1.3≤0.03≤0.03≤0.50≤0.50≤0.50L320 / X46≤0.28/≤1.4≤0.03≤0.03≤0.50≤0.50≤0.50L360 / X52≤0.28/≤1.4≤0.03≤0.03≤0.50≤0.50≤0.50L390 / X56≤0.28/≤1.4≤0.03≤0.03≤0.50≤0.50≤0.50L415 / X60≤0.28/≤1.4≤0.03≤0.03≤0.50≤0.50≤0.50L450 / X65≤0.28/≤1.4≤0.03≤0.03≤0.50≤0.50≤0.50L485 / X70≤0.28/≤1.4≤0.03≤0.03≤0.50≤0.50≤0.50Mechanical properties:StandardGradeTensile strength (MPa)Yield strength (MPa)Elongation (%)API SPEC 5LGB/T9711.2L245 / Gr.B≥415≥245≥18L290 / X42≥415≥290≥18L320 / X46≥435≥320≥18L360 / X52≥460≥360≥18L390 / X56≥490≥390≥18L415 / X60≥520≥415≥18L450 / X65≥535≥450≥18L485 / X70≥570≥485≥18 Detailed Photos  CertificationsPackaging & ShippingPacking Details:1. Secure Export Packaging: Utilizing sea-worthy methods combined with water-proof paper to ensure maximum protection.2. Professional Loading and Fixing: Entrust our skilled teams to handle safe loading and secure fixing, guaranteeing your products are well-protected during transportation.Delivery Detail: Expect swift delivery within 7-10 working days after the deposit is received, or as per the quantity specified in your order.Company ProfileWuxi Tongno Special Steel Co., Ltd. Established in 2013 with a registered capital of 5 million yuan, Wuxi Tongno Special Steel Co., Ltd. has swiftly become a leader in the professional manufacture of seamless steel pipes. Over the years, Wuxi Tongno Special Steel Co., Ltd. has expanded to operate three cutting-edge seamless steel pipe production lines, each designed to meet the highest standards of quality and efficiency.Wuxi Tongno Special Steel Co., Ltd. stands by its unwavering commitment to the 'quality first, customer first' business philosophy. Our innovative production processes ensure products of superior precision, accommodating a diverse range of wall thicknesses and offering small-batch, wide-variety options with rapid delivery. We are proud to be at the forefront of domestic production, particularly excelling in the manufacture of small-diameter medium-thick-walled and large-calibre thin-walled alloy seamless steel pipes. Our exceptional products are renowned both nationally and internationally, playing a pivotal role in diverse project constructions and showcasing our unrivaled manufacturing prowess.Our Advantages1. Exceptional Service Excellence: We ensure a prompt response to all inquiries within a remarkable 12-hour timeframe.2. Industry-Leading Certifications: We proudly maintain prestigious certifications, including ISO 9001, CE, and SGS.3. Cost-Effective Quality Assurance: Experience the perfect blend of competitive pricing and premium quality, as our products are sourced directly from our factory.4. Impressive Production Capacity: Boasting a substantial monthly output of 20,000 tons, we guarantee efficient and seamless production.5. Flexible Payment Options: We offer a variety of payment methods, including T/T and L/C, for your convenience.6. Rapid Delivery & Standard Export Packaging: Anticipate swift delivery and packaging that adheres to international export standards.7. Factory-Direct Pricing Advantage: Our in-house factory enables us to provide competitive pricing without sacrificing quality.8. Comprehensive Third-Party Testing: We welcome any third-party testing to ensure the superior quality of our products.9. Expert Team and Support: Our professional sales team and dedicated factory provide unwavering support.10.Commitment to Customization: Your unique specifications are not just accepted-they're integral to our service. We are dedicated to fulfilling every customized request.FAQQ1: What are your primary product offerings?A1: We are a leading manufacturer and supplier of high-quality steel products, specializing in:Stainless Steel & Carbon Steel: Sheets/plates, coils, and pipes/tubes (both seamless and welded)Structural Components: Various bar profiles (round, square, hexagonal, flat, angle), C-channels, and H/I-beamsCustom Fabrications: Tailored solutions to meet specific project requirementsQ2: What quality assurance measures do you have in place?A2: We maintain stringent quality control through:Comprehensive Mill Test Certificates provided with all shipmentsOptional third-party inspection services (SGS, BV, etc.)ISO-certified manufacturing processesRigorous in-house testing and quality checksQ3: What are your standard packaging terms?A3: Our standard packaging includes:Bundled or coiled goods secured with steel rods/strapsCustom packaging solutions available per customer specificationsExport-grade packaging to ensure optimal protection during transitQ4: What is your typical delivery timeline?A4: We offer flexible delivery options:Stock items: Ready for shipment within 3 business days after deposit confirmationMade-to-order items: Production typically completed within 7-15 working days post-depositExpedited options available for urgent requirementsQ5: What competitive advantages does your company offer?A5: We differentiate ourselves through:A team of highly skilled professionals and technical expertsIndustry-leading pricing without compromising qualityUnparalleled after-sales support and customer serviceExtensive inventory and reliable supply chain managementQ6: Do you provide product samples?A6: Yes, we're pleased to offer:Complimentary small samples from existing inventoryCustomer only responsible for shipping costsCustom samples available for specific project needsQ7: What are your payment terms?A7: Our standard payment structure:30% advance payment via T/T to initiate production/orderRemaining 70% balance due prior to shipmentFull documentation including product photos and packaging details provided before final paymentWhy Choose Us?√ 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 stageFor 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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