At Steelage Alloys, we offer top-quality Stainless Steel Electropolished (EP) Pipes & Tubes, manufactured with ultra-smooth, mirror-like internal and external surfaces. Through a precise electrochemical process, surface impurities are removed, resulting in reduced surface roughness (Ra), enhanced corrosion resistance, and improved cleanability * making them perfect for ultra-high purity and sanitary applications.
Our EP tubes are produced under strict quality control and are often used where sterility, hygiene, and minimal contamination risk are critical. Available in various dimensions and grades, these tubes conform to global standards for pharmaceutical, food-grade, and semiconductor piping systems.
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| Property | Details |
|---|---|
| Outer Diameter (OD) | 1/4" to 6" (6 mm to 152 mm) |
| Wall Thickness | 0.5 mm to 3 mm |
| Finish | Electropolished (ID & OD), Ra = 0.4 *m |
| Lengths | Standard up to 6 meters (custom on request) |
| Packaging | Cleanroom-ready, capped, double bagged (optional) |
| Testing | Surface Roughness, PMI, Ferrite, Hydro, Visual, and Dimension Checks |
| Standard | Description / Use |
|---|---|
| ASTM A269 | Welded/seamless tubing for general & high-purity service |
| ASTM A270 | Sanitary tubing for food and pharma use |
| ASME BPE | Bioprocessing Equipment Standard (pharma/biotech) |
| DIN 11850 | Stainless tubes for hygiene applications |
| ISO 1127 | International standard for seamless stainless tubing |
Round Bar
Analytic
Cut to Length
Centering
Heating
Perforation
Inspection of Size
Pickling
Inspection of Surface
Lubricating
Cold Drawing
Degreasing
Annealing
Straightening
Cut
Pickling / Passivating
Inspection
Analytic
Marking
Packing & Shipping
Formula: m = (OD - THK) * THK (mm) * L (m) * 0.02491
* For 316, 316L, 310S, 309S, etc., ratio=0.02507
OD = Outer diameter, THK = Wall Thickness, L = Length
Plastic Bag
Wooden case
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Electropolishing is an electrochemical process that removes a controlled amount of surface material to improve smoothness and cleanliness.
It can reduce surface irregularities and improve cleanability, depending on the material and process. It does not replace correct grade selection or maintenance.
Provide grade, dimensions, wall thickness, required surface finish or roughness, standard, cleanliness requirements, length and inspection documents.