Electropolished Pipe
Manufacturer in India
Premium SS 316L EP Tubing & Electropolished Stainless Steel Pipe — engineered for zero contamination, ultra-high purity, and global compliance.
India’s Trusted Electropolished Stainless Steel Pipe Manufacturer
CeraPure Steel is a Mumbai-based, ISO-certified electropolished pipe manufacturer in India with over 54 years of manufacturing expertise delivering pharmaceutical-grade, semiconductor-grade, and high-purity stainless steel tubing solutions to clients across India and 30+ countries worldwide.
Our electropolished stainless steel pipes and tubes undergo a precision electrochemical finishing process that removes the outermost layer of metal to eliminate surface irregularities, peaks, and microscopic pores — producing an ultra-smooth, mirror-like surface with Ra values as low as 0.1 µm. The result is a tube that resists bacterial adhesion, corrosion, and contamination far beyond what mechanical polishing alone can achieve.
Whether you need an SS 316L electropolished tube for pharmaceutical WFI systems, a SEMI F17-compliant EP tube for semiconductor gas distribution, or a 3A sanitary electropolished pipe for food processing, CeraPure Steel delivers ex-stock and on custom order with full material traceability certificates (MTC EN 10204 3.1 / 3.2).
As a specialist EP Tube Supplier in Mumbai, we maintain ready inventory of the most popular sizes and grades, ensuring rapid dispatch and zero project delays for your critical production systems.
Why Electropolished Stainless Steel
Tubing is the Industry Standard
From pharmaceutical cleanrooms to semiconductor fabs, electropolished pipes deliver performance no other surface finish can match.
Ultra-High Surface Purity
EP removes free iron, embedded particles, and surface contaminants, leaving a chromium-enriched oxide layer that meets the strictest purity requirements of pharma and biotech systems. Achieves Ra ≤ 0.25 µm (10 µin) ID consistently.
Superior Corrosion Resistance
The electropolishing process creates a thicker, more uniform passive oxide layer compared to standard passivation, delivering 30–50% better corrosion resistance against aggressive cleaning agents like CIP/SIP chemicals, NaOH, and H₂O₂.
Zero Bacterial Adhesion
The smooth mirror-like ID surface eliminates micro-crevices where biofilm and bacteria can harbour. Critical for pharmaceutical water systems (WFI, PW), bioprocessing, and food-grade hygienic pipelines.
Improved Product Purity
Reduces metallic ion leaching and particulate generation inside fluid-carrying lines — essential for semiconductor UHP gas systems, active pharmaceutical ingredient (API) manufacturing, and semiconductor wet process tools.
Enhanced Flow Characteristics
The ultra-smooth internal bore reduces fluid turbulence and pressure drop across long pipe runs, improving flow rates and energy efficiency in large pharmaceutical or industrial process plants.
Extended Service Life
Electropolished tubes last significantly longer than mechanically polished or standard annealed tubes in corrosive environments, reducing total lifecycle cost and unplanned downtime in critical production systems.
Easier Cleaning & CIP/SIP
The non-porous, smooth EP surface minimises product hold-up and allows faster, more effective clean-in-place (CIP) and steam-in-place (SIP) cycles — reducing cleaning time and chemical consumption.
Regulatory Compliance Ready
CeraPure Steel’s EP tubes ship with full EN 10204 3.1/3.2 MTC, surface roughness reports, and compliance documentation for FDA 21 CFR, cGMP, ASME BPE, and SEMI standards — audit-ready out of the box.
EP Tubing Standards We Manufacture To
Every CeraPure Steel electropolished pipe is manufactured, tested, and documented against internationally recognised industry standards.
Electropolished Pipe Grades & Sizes
CeraPure Steel maintains extensive ex-stock inventory of electropolished stainless steel pipes across standard sizes. Custom OD, wall thickness, and length are available on order.
Available Material Grades
| Grade | UNS No. | Carbon Max | Best For |
|---|---|---|---|
| SS 316L | S31603 | 0.030% | Pharma / Biotech WFI / Semiconductor |
| SS 316 | S31600 | 0.080% | Chemical / Industrial / Marine |
| SS 304 | S30400 | 0.080% | Food / Dairy / General High Purity |
| SS 304L | S30403 | 0.030% | Welded Systems / Cryogenic |
Common EP Tube Sizes (Stock)
| OD (inches) | OD (mm) | Wall (mm) | ID Ra (µm) |
|---|---|---|---|
| ¼” | 6.35 | 0.89 | ≤ 0.25 |
| ⅜” | 9.52 | 1.24 | ≤ 0.25 |
| ½” | 12.70 | 1.65 | ≤ 0.25 |
| ¾” | 19.05 | 1.65 | ≤ 0.25 |
| 1″ | 25.40 | 1.65 | ≤ 0.38 |
| 1½” | 38.10 | 1.65 | ≤ 0.38 |
| 2″ | 50.80 | 1.65 | ≤ 0.38 |
| 3″ | 76.20 | 2.11 | ≤ 0.50 |
| 4″ | 101.60 | 2.11 | ≤ 0.50 |
| Custom | Up to 610mm | As required | Per spec |
SS Electropolish Surface Finish Reference Chart
Use this industry-standard grit-to-roughness chart to specify the correct surface finish for your electropolished stainless steel pipe or EP tube. CeraPure Steel can match or exceed any of these surface finishes.
| Grit Finish | Ra (Micron) | Ra (Micro-inch) | RMS (Micron) | RMS (Micro-inch) | Typical Application |
|---|---|---|---|---|---|
| 36 Grit | 3.61 | 142 | 4.06 | 160 | Heavy industrial / Structural |
| 60 Grit | 2.21 | 87 | 2.49 | 98 | Industrial / Construction |
| 80 Grit | 1.80 | 71 | 2.03 | 80 | General fabrication |
| 120 Grit | 1.32 | 52 | 1.47 | 58 | Chemical / Food grade base |
| 150 Grit | 1.06 | 42 | 1.20 | 47 | Food processing pre-EP |
| 180 Grit | 0.76 | 30 | 0.86 | 34 | Pharma / Dairy pre-EP |
| 220 Grit | 0.48 | 19 | 0.53 | 21 | High-purity pre-EP |
| 240 Grit | 0.38 | 15 | 0.43 | 17 | Pharma pre-EP standard |
| 320 Grit | 0.30 | 12 | 0.36 | 14 | EP surface base — ASME BPE SF4 |
| 400 Grit | 0.23 | 9 | 0.25 | 10 | High-purity EP — ASME BPE SF6 |
| Mirror Finish | 0.10 | 4 (±) | 0.13 | 5 | Semiconductor / UHP / Optical |
| USDA Bead Blast | 1.06 | 42 | 1.20 | 47 | Food / Dairy (USDA approved) |
* Ra = Arithmetic Average Roughness | RMS = Root Mean Square Roughness | All values for reference only. Actual post-EP Ra values will be lower due to the electropolishing improvement factor. Contact CeraPure Steel for certified surface roughness reports (Ra certificates) for your specific application.
Where Our EP Tubes Are Used
CeraPure Steel’s electropolished stainless steel pipes serve mission-critical applications across the world’s most demanding industries.
Pharmaceuticals
WFI water systems, purified water loops, API transfer lines, CIP/SIP circuits, bioreactor tubing.
Biotechnology
Fermentation systems, sterile buffer transfer, cell culture media lines, ASME BPE clean utility piping.
Semiconductor
Ultra-high-purity (UHP) gas distribution, SEMI F17/F19 process gas lines, wet bench chemical distribution.
Food & Dairy
Milk pipelines, beverage processing, 3A sanitary piping, CIP lines in food manufacturing plants.
Chemical Processing
Corrosive chemical transfer, acid systems, solvent processing, high-purity chemical distribution systems.
Aerospace
Hydraulic lines, fuel systems, oxygen-compatible tubing, high-pressure aerospace-grade EP piping.
Medical Devices
Surgical instrument sterilisation systems, medical gas distribution, cleanroom process tubing.
Cosmetics & Personal Care
cGMP cosmetic manufacturing, high-purity ingredient transfer, cleanroom-grade piping systems.
EP Tube Supplier — India & Global
As a leading Stainless Steel EP Tube Supplier in Mumbai, CeraPure Steel is strategically located in Girgaon, Mumbai — India’s industrial and financial hub — enabling rapid domestic dispatch and seamless port-based international exports through the JNPT (Nhava Sheva) seaport and Mumbai International Airport.
We supply Electropolished Stainless Steel Pipe and SS 316L EP Tubing to clients across all major Indian cities including Pune, Ahmedabad, Surat, Delhi, Hyderabad, Bengaluru, Chennai, Kolkata, and industrial clusters in Vadodara, Vapi, Ankleshwar, Navi Mumbai, and Thane MIDC.
Internationally, CeraPure Steel exports electropolished pipes and EP tubes to the United States, United Kingdom, Germany, UAE, Saudi Arabia, Qatar, Singapore, Australia, Canada, and across South-East Asia and Europe. Our full MTC documentation package supports smooth customs clearance in all major destinations.
Supply Cities in India
Export Destinations
Why Choose CeraPure Steel as Your EP Tube Manufacturer?
54+ Years of Electropolishing Expertise
Decades of in-house electropolishing knowledge and process refinement means we consistently deliver Ra values that meet or exceed your specifications — every single batch.
In-House EP Process — No Sub-Contracting
Unlike many “suppliers” who outsource electropolishing, CeraPure Steel controls the entire EP process in-house — ensuring consistent quality, faster turnaround, and full accountability.
Ex-Stock Availability — Zero Lead Time Delays
We maintain ready inventory of the most popular EP tube sizes in SS 316L and SS 304, enabling same-week dispatch for urgent pharmaceutical or semiconductor project requirements.
Full MTC Documentation Package
Every EP tube shipment includes EN 10204 3.1 / 3.2 MTCs, surface roughness certificates (Ra reports), hydro test reports, dimensional inspection, and positive material identification (PMI) on request.
Multi-Standard Compliance Under One Roof
CeraPure Steel can manufacture a single order to multiple standards simultaneously — ASME BPE + ASTM B912 + SEMI F17 — saving you vendor consolidation time and cost.
Competitive Factory-Direct Pricing
As a direct manufacturer with 54+ years of operational efficiency, we offer factory-direct pricing without middlemen — consistently better value than trading companies or import agents.
EP Tubing Questions Answered
Everything buyers, engineers, and procurement teams need to know about ordering electropolished stainless steel pipes from CeraPure Steel.
What is an Electropolished Pipe and how is it different from a regular SS pipe?
What is the difference between SS 316 and SS 316L for electropolished tubing?
What surface roughness (Ra) can CeraPure Steel achieve after electropolishing?
What is the Stainless Steel Electropolish Grit Chart and how do I use it?
Do you supply EP tubes as per ASME BPE for pharmaceutical applications?
What is the minimum order quantity (MOQ) for electropolished pipes from CeraPure Steel?
Do you provide electropolished fittings along with EP pipes?
Can CeraPure Steel supply electropolished pipes for semiconductor applications (SEMI F17)?
Ready to Order Electropolished Pipe?
Get factory-direct pricing, full compliance documentation, and ex-stock delivery from India’s most trusted EP Tube Supplier in Mumbai.