High purity Stainless steel tubing & Ultra-high purity tubing and fittings

High purity & Ultra high purity stainless steel tubing, and high purity fittings, ultra high purity fittings (uhp fittings) are widely used to transport high purity and ultra high purity media (liquid and gas) for many industries such as semiconductor, biotechnology, pharmaceutical, fine chemical and so on.

Product Descriptions:

• Size range:
  • O.D 1/4″ to O.D 6″ (metric size 6 mm to 152.4 mm);
  • Wall thickness: 0.5 mm to 3 mm
• Specifications of Delivery:
  • ASTM A 269 / A 270 / A632;
  • EN 10216-5, EN 10217-7

• Materials:
  • UNS S31603 (316L)
  • 1.4404
  • 1.4435
• Surface Finishing:
  • Inner diameter electro-polished, standard surface roughness is max. Ra 0.25μm (10μin);
  • Outer diameter bright finishing, roughness max 0.8μm (32μin)
• Packing:
  • Each tube will be capped in the ends with plastic caps, every UHP electropolished tubing will be packed in double polyethylene bags. And then the well packed tubes will be put into a wooden case.

Applications:

One of the most important application of this product is that we use it as high purity gas tubing. And the series of this product is widely used in applications where high purity, ultra high purity and high performance are required, such as below applications.

• UHP tubing for semiconductor wafer processing and medical industries
• Laboratory gas convey
• Size Exclusion Chromatography
• Hydrophobic Interaction Chromatography
• Clean gas supply system construction
• Ion Exchange Chromatography
• Affinity Chromatography
• Reverse Phase Chromatography
• Pharmaceutical instrumentation
• Biotechnology 
• High purity liquid or high purity gas convey