Precision tubing
Our precision tubing is manufactured using advanced cold-drawn or cold-rolled processes, delivering tight dimensional tolerances, excellent surface finish, and consistent mechanical properties. Designed for high-reliability applications, these tubes offer superior concentricity, pressure resistance, and corrosion resistance. They are widely used in hydraulic and pneumatic systems, automotive fuel injection lines, medical devices, instrumentation, heat exchangers, and structural frameworks. Backed by rigorous non-destructive testing and full traceability, our precision tubing ensures stable performance in critical environments while supporting custom lengths, coatings, and end-finishing options.
WhatsApp:+8615910191010
Email:Rick@jiukaimetal.com
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Product Description


ParameterDetails
MaterialCarbon Steel / Stainless Steel / Alloy Steel / Copper / Aluminum (options available)
Common GradesCarbon: ST37.4, ST52, 1020, 1045
Stainless: 304, 304L, 316, 316L, 321
Alloy: 4130, 4140, 25CrMo4
Aluminum: 6061, 6063
Tube TypeSeamless (cold-drawn / cold-rolled) or Welded (TIG / laser)
Outer Diameter (OD)3 mm – 200 mm (±0.03 – ±0.10 mm depending on size)
Wall Thickness0.5 mm – 20 mm (±0.02 – ±0.08 mm)
Length3 m – 12 m (custom cut-to-length available)
Surface FinishBright annealed / Pickled & passivated / Polished / Oiled / Black (as-drawn)
Tolerance ClassISO 2960 / EN 10305 / ASTM A519 (high-precision)
Straightness≤ 0.5 mm per meter
Surface Roughness (Ra)≤ 0.8 μm (bright annealed) / ≤ 1.6 μm (as-drawn)
End FinishPlain ends / Beveled / Threaded / Grooved (per customer request)
Country of OriginChina
Export PortShanghai Port / Ningbo Port / Shenzhen Port (flexible)
PackagingHexagonal bundles with plastic end caps + woven fabric or steel strapping; OD > 50 mm individually wrapped
Delivery Time20 – 40 days after order confirmation (depends on quantity and specification)
Quality & Testing100% eddy current / ultrasonic testing; hydrostatic test; dimensional inspection; chemical & mechanical certification (EN 10204 3.1 / 3.2 available)


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Precision tubing
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Precision tubing


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