304 Stainless Steel Capillary Tube With OD 0.5mm-8mm And WT 0.08mm-1mm For Precision Instrumentation
Product Details
| Material Grade: | 304 (UNS S30400) | Outer Diameter: | 0.5mm - 8mm |
|---|---|---|---|
| Wall Thickness: | 0.08mm - 1mm | Manufacturing Process: | Seamless, Cold Drawn |
| Surface Finish: | Bright Annealed, Pickled | Standard: | ASTM A269, A632 |
| Supply Form: | Straight Lengths Or Coils | OD Tolerance: | ± 0.02mm (tight), ± 0.05mm (standard) |
| WT Tolerance: | ± 10% Or ± 0.02mm | Tensile Strength: | ≥ 515 MPa |
| Internal Cleanliness: | Ultrasonic Degreased, Oil-free | Application: | Medical Devices, HPLC Systems, Sensor Probes, Pneumatic Controls |
| Highlight |
Precision Capillary Steel Tube,Micro Bore Instrumentation Pipe,OD 0.5mm Stainless Steel Capillary Tube |
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Product Description

SSM precision capillary stainless steel tubes are manufactured to micron-level tolerances for demanding instrumentation applications. Our cold-drawn seamless process ensures consistent bore diameter, smooth internal surface, and reliable fluid flow characteristics.
- Ultra-Fine Diameters: OD from 0.5mm to 8mm with wall thickness as thin as 0.08mm for micro-fluidic applications
- Tight Tolerances: OD tolerance down to ±0.02mm ensures precise fit in critical assemblies
- Oil-Free Internal Surface: Ultrasonic degreased and cleaned for medical, laboratory, and analytical instrument compatibility
- Flexible Supply Format: Available in precision-cut straight lengths or continuous coils up to 1000m
Essential for medical hypodermic needles, chromatography (HPLC/UHPLC) tubing, temperature sensor thermowells, pneumatic control lines, and precision dispensing systems.

100% eddy current testing for micro-defects, laser micrometer OD measurement every 50m, and borescope inspection for internal surface quality. ISO 13485 compliance available for medical-grade orders.



Product Highlights
304 Stainless Steel Capillary Tube OD 0.5mm-8mm WT 0.08mm-1mm Precision Instrumentation Grade 304 Stainless Steel Capillary Tube - Precision Grade SSM precision capillary stainless steel tubes are manufactured to micron-level tolerances for demanding instrumentation applications. Our cold-drawn ...
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