Shanghai Toko Tech Co., Ltd. is a professional supplier of special alloy pipes and components in China. The seamless coiled tubing provided by TOKO TECH is manufactured using advanced hot-rolled and cold-drawn technologies, featuring high dimensional accuracy, excellent surface finish, superior mechanical properties, and outstanding corrosion resistance. These coiled tubes are supplied in long, continuous lengths without welds, eliminating potential leakage points. They are ideally suited for critical applications requiring continuous bending or operation in high-pressure and highly corrosive environments.
1. Material Grades & Typical Grades Table
Toko TECH offers seamless coiled tubing in various materials to meet different corrosion, temperature, and pressure requirements. The typical grades for its main material categories are listed below:
Stainless Steel:304, 304L, 304H,316, 316L, 316Ti,321, 321H,347, 347H,310S.
Duplex Steel: UNS S31803 (2205) UNS S32205 UNS S32750 (2507) UNS S32760 (Zeron 100)
Nickel Alloy: Alloy 600 (UNS N06600) Alloy 625(UNS N06625) Alloy 800/H (UNS N08800 / N08810) Alloy 825 (UNS N08825) Alloy C-276 (UNS N10276)
2. Seamless Coiled Tubing Standard Size Reference Chart
This chart lists our common outer diameters (O.D.) of coiled tubing and their corresponding standard wall thickness (W.T.) ranges, as well as typical single-coil lengths.
Metric Imperial Maximum Coil Length
O.D.(mm) W.T.(mm) O.D.(inch) W.T.(inch) Maximum Coil Length (m)
3.18 0.5 - 0.8 mm 1/8 0.020 - 0.032 1000
4.76 0.5 - 1.0 mm 3/16 0.020 - 0.040 1000
6.35 0.6 - 1.2 mm 1/4 0.024 - 0.048 740
9.53 0.7 - 1.5 mm 3/8 0.028 - 0.060 450
12.70 0.9 - 2.0 mm 1/2 0.035 - 0.080 400
15.88 1.0 - 2.2 mm 5/8 0.040 - 0.088 270
19.05 1.2 - 2.6 mm 3/4 0.048 - 0.102 220
25.40 mm 1.5 - 3.0 mm 1 0.060 - 0.118 170
*The above lengths refer to the lengths of single - coil seamless pipes, not the total lengths of welded pipes.
*The material is TP316/316L. The final lengths for different materials shall be subject to the official quotations.
*Specific available wall thicknesses and lengths may vary depending on the material and manufacturing process.


