Stainless Steel Coil Tube

Product Overview
Yunming Metal’s stainless steel coil tubes are precisely manufactured for high-performance fluid transfer, heat exchange, and instrumentation applications. Featuring excellent corrosion resistance, uniform wall thickness, and high flexibility, these coiled tubes are ideal for long-length applications without the need for welding. Available in seamless and welded forms, our coil tubes cover a wide range of materials including 304, 316L, 321, 310S, 317L, 904L, duplex 2205/2507, and more.

Application Areas

• Instrumentation and control lines

• Heat exchanger coils

• Condensers and evaporators

• Oil and gas tubing systems

• Medical and analytical equipment

• Hydraulic and pneumatic lines

Product Features

• Long continuous lengths without joints

• Excellent corrosion and pressure resistance

• Precision-formed and tested for reliability

• Available in custom coil sizes and packaging

• Suitable for bending and welding

Technical Specifications

Outer Diameter (OD): 1.0 mm – 25.4 mm
Wall Thickness: 0.1 mm – 2.0 mm
Coil Length: Up to 1500 meters or customized
Tube Form: Seamless or welded
Bending Radius: As specified (min. 3x OD recommended)
Material Grades: 304, 316L, 321, 310S, 317L, 904L, 2205, 2507, and more
Standards: ASTM A269 / A213 / A312 / EN 10216-5 / ISO / GB

Manufacturing Process

• Cold drawn or welded

• Solution annealed and pickled

• 100% eddy current or pressure tested (on request)

FAQ

Q: Are long coil lengths available without welds?
A: Yes, we provide continuous seamless coil tubes up to 1500 meters depending on size.

Q: What material grades do you offer?
A: We supply 304, 316L, 321, 310S, 317L, 904L, 2205, 2507, and other custom options upon request.

Q: Can the coil be customized to specific bending radii?
A: Yes, we can produce coils according to your required bending radius and application.