what is ASTM A269 TP316L Stainless Steel Seamless Dry Coil Tube？
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In industries where precision, cleanliness, and reliability are critical, ASTM A269 TP316L stainless steel seamless dry coil tube has become the material of choice. With excellent corrosion resistance, smooth internal surfaces, and high mechanical strength, this product is widely used in heat exchangers, condensers, oil & gas, chemical processing, and instrumentation systems. GNEE provides high-quality coil tubes manufactured to global standards, ensuring clients receive durable and cost-effective solutions.
What is ASTM A269 TP316L coil tubes?
ASTM A269 TP316L stainless steel seamless dry coil tubes are manufactured with outer diameters ranging from 6.4mm (1/4 inch) to 114.3mm (4.5 inches), wall thicknesses from 0.51mm (0.020 inch) to 6.0mm, and feature a controlled carbon content of ≤0.03% for enhanced intergranular corrosion resistance, with a standard coil inner diameter of 300-500mm, coil weight up to 3000kg, and surface finish meeting bright annealed quality with Ra ≤ 0.5μm, ensuring tight dimensional tolerances of ±0.05mm on OD and ±5% on wall thickness, compliant with ASTM A269/ASME SA269 standards for reliable performance in high-purity fluid transport, heat exchange, and instrumentation applications.
ASTM A213 TP316L Seamless Stainless Steel Coil Tube
| Outside Diameter | 3.2-25.4mm |
| Wall Thickness | 0.2-2.5mm |
| Length | As customer's requirement; In coil or in straight. |
| Standard | A213, A269,etc. |
| Grade | TP304, TP304L, TP316, TP316L, TP321, TP247H, etc. |
| Delivery Condition | Pickled, Polished, Bright Annealed |
| Technique | Seamless/Welded |
| Application | Automotive industry, Aircraft/Aerospace, Instrumentation & Electrical, Chemical Industry, etc. |
| Marking | LOGO, Standard, Grade, Size, Heat Number. |
| Package | Woven bag, wooden cases, or as per customer's requirement. |
| Quality Requirement | Mill Test Certificate (EN 10204/3.1); Third Part Inspection is acceptable. |
Applications of 316L Seamless Dry Coil Tube
Heat Exchangers & Condensers – Efficient heat transfer in petrochemical plants.
Instrumentation & Control Lines – Precision tubes for oil & gas and offshore platforms.
Hydraulic & Pneumatic Systems – Continuous coil reduces joint failures in high-pressure lines.
Food & Beverage Industry – Smooth BA surface ensures hygiene and prevents contamination.
FAQ
1. What are the advantages of 316L seamless dry-type coiled tubing compared to straight tubing?
Dry-type coiled tubing reduces the number of welds and joints, minimizing the risk of leaks and increasing installation efficiency.
2. What coil lengths are commonly available?
GNEE offers coil lengths up to 1000 meters, reducing welding and joining costs for large projects.
3. Can 316L SS seamless coiled tubing withstand high pressures?
Yes, its seamless construction and tensile strength of ≥485 MPa ensure reliable performance in high-pressure instrumentation systems.
4. How does GNEE ensure quality during the production process?
Each coiled tubing undergoes eddy current testing, hydrostatic testing, and dimensional inspection to meet ASTM A269 requirements.
GNEE Stainless Steel provides professional stainless steel solutions to customers in over 60 countries, exporting over 1,000 tons of stainless steel pipe annually. We can customize coil length, outer diameter, wall thickness, and surface finish to suit your project. We are ISO, SGS, and BV certified, with 100% dimensional inspection. Delivery time is 7-15 days, ensuring safe transportation.
