ASTM A269 TP316L Stainless Steel Seamless Coil Tube
ASTM A269 TP316L Stainless Steel Seamless Coil Tube
Overview:
TP316L coil tubes are a type of stainless steel tubing well-regarded for their exceptional corrosion resistance and versatility in various applications. Made from low carbon content 316 stainless steel, they exhibit improved weldability and reduced sensitization, which is crucial in environments prone to intergranular corrosion.
These coil tubes are often used in industries such as chemical processing, oil and gas, power generation, and pharmaceuticals, where robust performance is required at elevated temperatures and exposure to harsh conditions. Their ability to withstand a wide range of chemicals makes them ideal for transporting fluids in demanding environments.
In terms of physical properties, TP316L features a good balance of strength and ductility, allowing for complex shaping and bending without compromising integrity. Their smooth surface finish enhances flow characteristics, reducing friction and potential for corrosion build-up.
Specification:
| Specification | ASTM A269 & Its equivalent ASME, DIN & EN Standard. |
| Grades | TP316L |
| Type | Coil tube |
| Outer Diameter | 1/4'' to 3/4'' or customized sizes |
| Wall Thickness | 0.028"- 0.065" or customized thickness |
| Length | Customized length |
| Delivery Condition | Solution Annealed & Pickled; Bright Annealed |
| Ends | Plain End |
| Other Testing | Product Analysis, Eddy Current Test, Hydrostatic Test, Ultrasonic Test, Flattening Test, Hardness Test, Tensile Test etc. |
| Dimension | All Pipes & Tube Is Manufactured and Inspected / Tested to the Relevant standards including ASTM and ASME |
| Packing | Plywood case |
Chemical Composition:
| Grade | UNS | C | Mn | P | S | Si | Cr | Ni | Mo |
| TP316L | S31603 | 0.035 max | 2.00 max | 0.045 max | 0.03 max | 1.00 max | 16.0-18.0 | 10.0-14.0 | 2.00-3.00 |
Mechanical Properties:
| Grade | Tensile Strength, min, ksi (MPa) | Yield Strength, min, ksi (MPa) |
Elongation in 2 in. or 50mm, min (%) |
Hardness | Solutioning Temperature, min, °F(°C) |
|
| Rockwell | Brinell/Vickers | |||||
| TP316L | 70(485) | 25(170) | 35 | 90HRB | 192HBW/200HV | 1900(1040) |
Applications:
1. Oil and Gas Industry
- Used in heat exchangers, pipelines, and flow lines due to their resistance to harsh environments.
2. Chemical Processing
- Ideal for handling aggressive chemicals and corrosive substances.
3. Marine Applications
- Suitable for shipbuilding and offshore structures due to resistance to seawater corrosion.
4. Food and Beverage
- Used in processing equipment where hygiene and corrosion resistance are critical.
5. Pharmaceuticals
- Employed in the production of medicines and vaccines, where cleanliness and purity are essential.
6. Power Generation
- Used in condensers and cooling systems, where high temperature and pressure resistance is required.
7. Heat Exchangers
- Frequently utilized in both industrial and HVAC systems for efficient heat transfer.
8. Aerospace
- Applicable in certain engine and exhaust components due to its lightweight yet strong properties.
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