Stainless steel coils are long metal tubes with continuous lengths of piping. This tubing is mounted on huge coiled tubing shafts for a variety of applications.
Physical Property:
| Steel grade | Physical Property |
| Y.S | T.S | EL. | HRB |
| 304 | ≥205 | ≥515-1035 | ≥40 | ≤92 |
| 304L | ≥205 | ≥520 | ≥40 | ≤90 |
| 316 | ≥620 | ≥310 | ≥30 | ≤95 |
| 316L | ≥480 | ≥177 | ≥40 | ≤90 |
| 321 | ≥205 | ≥515 | ≥40 | ≤95 |
| 347 | ≥205 | ≥515 | ≥40 | ≤92 |
Chemical Composition：
| Material | Chemical Composition % Max |
| C | Mn | P | S | Si | Cr | Ni | Mo | N B | Nb | Ti |
| TP304 | 0.08 | 2 | 0.045 | 0.03 | 1 | 18.0-20.0 | 8.0-11.0 | - | - | - | - |
| TP304L | 0.035 | 2 | 0.045 | 0.03 | 1 | 18.0-20.0 | 8.0-12.0 | - | - | - | - |
| TP316 | 0.08 | 2 | 0.045 | 0.03 | 1 | 16.0-18.0 | 10.0-14.0 | 2.00-3.00 | - | - | - |
| TP316L | 0.035 | 2 | 0.045 | 0.03 | 1 | 16.0-18.0 | 10.0-15.0 | 2.00-3.00 | - | - | - |
| TP321 | 0.08 | 2 | 0.045 | 0.03 | 1 | 17.0-19.0 | 9.0-12.0 | - | - | - | 5C -0.70 |
| TP347 | 0.08 | 2 | 0.045 | 0.03 | 1 | 17.0-19.0 | 9.0-12.0 | - | - | 10C -1.10 | - |
Features:
1. Round metal straight stainless tubing for transport of fluids and gases in chemical, chloride or more corrosive environment;
2. Dual-certified 316/316L stainless steel for greater corrosion resistance than 304 stainless steel;
3. Welded and drawn construction for a smoother bore than welded tubing and a more consistent wall thickness than seamless tubing;
4. Annealed to restore formability for bending or flaring tubing;
5. Meets ASTM A269 specifications for quality assurance;
6. ISO certified, ensuring the highest quality standards;
Coiled tubing finds versatile applications across various industries:
Heat Exchanger:Coiled tubing is widely employed in heat exchanger systems, ensuring efficient heat transfer in applications like HVAC and industrial processes.
Oil and Gas Wells Control Line: It serves as a critical component in controlling oil and gas wells, facilitating the seamless flow and regulation of fluids.
Instrument Tubing: Coiled tubing is instrumental in instrument systems, providing a conduit for precise measurements and control in scientific and industrial instrumentation.
Chemical Injection Tubing Line: It is utilized in chemical processes, delivering controlled injections of chemicals into systems for diverse applications.
Pre-insulated Tubing: Coiled tubing is employed in pre-insulated systems, enhancing thermal efficiency in applications such as temperature-sensitive fluid transport.
Electric Heating or Steam Heating Tubing Line: In heating systems, coiled tubing plays a key role in conveying electrically heated or steam-heated fluids, ensuring efficient and controlled heating processes.
Water Tubing Line: Coiled tubing is applied in water systems, contributing to the reliable conveyance of water for various industrial and commercial purposes.
The flexibility and durability of coiled tubing make it an indispensable component in these diverse applications, providing efficient solutions for fluid transport and control.