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EP Stainless Steel Tubes

EP stainless steel tubes Electropolished stainless tubes are used for ultra high purity applications. To obtain a perfect electropolished internal surface, the raw materials, bright annealed tubes, need to be meticulously selected to ensure the internal surface is suitable for electropolishing...

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Product Details

Product Description:

With an electropolished finish, this electropolished stainless steel tube uses a DC ionization reaction to dissolve selective ionization to remove fine burrs and improve the surface brightness of the workpiece.

This kind of tube is used in ultra high purity applications. In order to obtain a perfect electropolished inner surface, raw materials and bright annealed tubes are all carefully selected  to ensure that the inner surface is suitable for electropolishing and packaged in a clean room.

Features :

  • Bright and smooth surfaces

  • Ultra high purity

  • High precision tolerances 

  • Excellent internal surface roughness

Product Details:

Standard Specification

ASTM A269/ASTM A270/ ASME A270-BPE / EN10216-5/ EN10305-1/ISO 1127


  • Imperial:1/4”, 3/8”, 1/2”, 5/8”, 3/4”, 1”, 1-1/4”,1-1/2”;

  • Metric: 6,8 10, 12,16,18,20,25,32,38;

  • Or as your requirements


Electric Polished

Internal surfaceRa < 0.1 μm or better
Material grade

304/304L, 316/316L, 1.4301/1.4307,1.4404/1.4435

Deionized water purity
  • Filtration: 0.1 micron absolute

  • Bacteria: Less than 6 colonies/100ml. 

  • TOC: Less than 25ppb

Minimum purity specification for nitrogen
  • Moisture: < 1 ppm

  • Oxygen: < 1 ppm

  • Total Hydrocarbons: < I ppm

  • Carbon Dioxide: < 1 ppm


  • Semiconductor

  • Medical tubing

  • Food&Beverages

  • Pharmaceutical

  • Ultra high tube heat exchangers

  • High purity gas and fluid piping systems

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