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 and packaged in a high cleanness room. Surface finish is Ra 0.1 μm and better.
Technical Data:
1) Description
Electropolished stainless steel tubes / EP tubes
2) Specification
ASTM A269/ASTM A270/ ASME A270-BPE / EN10216-5/ EN10305-1/ISO 1127
3) Typical Sizes
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 made to orders.
4) Material grade
304/304L, 316/316L,
1.4301/1.4307,1.4404/1.4435
5) Features
Bright and smooth surfaces
Ultra high purity
High precision tolerances
Excellent internal surface roughness
Internal surface Ra < 0.1 μm or better
The purity of the deionized water used for the final cleaning process will meet the following purity levels:
Filtration: 0.1 micron absolute
Bacteria: Less than 6 colonies/100ml.
TOC: Less than 25ppb
The nitrogen gas, utilized for purging and drying is procured to the following, minimum purity specifications:
Moisture: < 1 ppm
Oxygen: < 1 ppm
Total Hydrocarbons: < I ppm
Carbon Dioxide: < 1 ppm
6) Applications
Semiconductor
Medical tubing
Food&Beverages
Pharmaceutical
Ultra high tube heat exchangers
high purity gas and fluid piping systems
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