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Sakshi Forge
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ISO 9001:2015 Manufacturer · Mumbai

Electropolished Pipes & Tubes Manufacturer and Supplier in Mumbai

We manufacture and electropolish SS 316L and 304L pipes and tubes at our own Mumbai, inside the Mumbai Metropolitan Region, and supply Mumbai's pharma, chemical, food and laboratory customers directly. Every order ships with MTC EN 10204 3.1, 100% PMI testing and a measured Ra report.

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Verified Quality:ISO 9001:2015•EN 10204 3.1 MTC•100% PMI Tested•Internal Ra ≤0.4 µm•ASTM A269 / A270
Regional Capability

Electropolished Pipe for Mumbai's Industrial Belts

Mumbai's process industry sits in several separate pockets, and each asks something different of a pipe. Pharma and life-science plants cluster in the north-eastern suburbs, small manufacturers fill the MIDC estates around Andheri, and the Chembur–Trombay–Mahul belt in the east carries oil, fertiliser and chemical-terminal operations.

Zone / MIDCTypical End-UseApplicationOur Usual Spec
Andheri MIDC / MarolSmall and mid-size manufacturers, pharma and engineering unitsPurified water, process utility, skid piping316L / 304L, cut to drawing
SEEPZ, Andheri EastExport-oriented unitsClean utility, audit-ready document packs316L, full documentation
Vikhroli / Powai / KanjurmargPharma and consumer-products plants, research and laboratory facilitiesWFI, purified water, CIP, lab utility316L, internal Ra ≤0.4 µm, surface report
Chembur–Trombay–MahulOil, fertiliser and chemical-terminal beltLab, sampling, DM-water and clean-utility lines316L; duplex 2205 after a media check
Mahape (Navi Mumbai)Pharma, electronics and light engineeringProcess and utility lines316L / 304L

WFI and purified water loops

316L with a smooth internal surface and verified passivation, for pharma and biotech plants in the north-eastern suburbs.

CIP and SIP lines

A smooth bore cleans faster and drains better, which matters for food, beverage and personal-care plants.

Laboratory and R&D utility

Clean, documented tubing for research and quality-control facilities.

Clean utility in the Chembur–Trombay belt

DM-water, sampling and instrument lines where cleanliness matters.

Export-oriented units

A full document pack that survives overseas customer audits.

Local Buying Notes for Mumbai:
  • Same city: we are in Mumbai, so you can send a third-party inspector to check the tube against the MTC before dispatch.
  • Mumbai is coastal: Humid, salt-laden air favours 316L on exposed runs, while 304L is fine for most interior hygienic lines.
  • Honest fit: Main process piping in refinery-type plants is mostly carbon or alloy steel. Our EP pipe suits clean utilities, laboratories, pharma and food lines, and we will say so before you order.
Technical Parameters

Technical Specification Tables

4A. Stainless Steel & Duplex Material Grades

GradeUNSWNR (EN)Typical Process Use
SS 316LS316031.4404Pharma, biotech, WFI loops, chloride or aggressive cleaning chemicals
SS 304LS304031.4307Dairy, food, beverage, winery, general hygienic & utility lines
Duplex 2205S31803 / S322051.4462High yield strength, extreme chloride resistance, chemical & coastal duty
Super DuplexS32750 / S327601.4410 / 1.4501High-pressure aggressive acids, offshore, harsh petrochemical streams

4B. Surface Roughness: Industry Reference vs Sakshi Forge Offer

ServiceTypical Industry BandRa µin (exact)Sakshi Forge Offer
Pharma / biotechRa ≤0.25 to ≤0.4 µm9.8 to 15.7 µinStandard: ≤0.4 µm (ASME BPE SF4)
Dairy / food / beverageRa ≤0.6 to ≤0.8 µm23.6 to 31.5 µinWithin standard offer (≤0.4 µm)
Semiconductor / UHPRa ≤0.13 to ≤0.25 µm5.1 to 9.8 µinAvailable on custom drawing spec
Conversions: 1 µm = 39.3701 µin; RMS (µin) ≈ Ra (µin) × 1.11. Example: Ra 0.4 µm = 15.75 µin Ra ≈ 17.5 µin RMS.

4C. Weight Formula and Illustrative Dimensions

Weight (kg/m) = (OD − WT) × WT × K, where K = 0.02491 (304/304L, 7.93 g/cm³), 0.02507 (316/316L, 7.98 g/cm³) and 0.02450 (Duplex 2205, 7.80 g/cm³).

Nominal SizeOD (mm)WT (mm)304L (kg/m)316L (kg/m)Duplex 2205 (kg/m)
½"12.71.650.4540.4570.447
¾"19.051.650.7150.7200.703
1"25.41.650.9760.9820.960
1½"38.11.651.4981.5081.473
2"50.81.652.0202.0331.987

4D. Core Technical Specifications

Interactive specification explorer with live filters (DOM-preserved for search indexing)

Filter:
GradeTypeOD RangeWall / ScheduleInternal RaStandards
SS 316LWelded½" to 2" (12.7–50.8 mm)1.65 mm / SCH 10S≤0.4 µm (SF4)ASTM A269 / A270, ASME BPE
SS 316LSeamless½" to 2" (12.7–50.8 mm)1.65–2.77 mm / SCH 40S≤0.4 µm (SF4)ASTM A269, ASME BPE
SS 316LWelded2½" to 6" (63.5–152.4 mm)2.11–2.77 mm / SCH 10S≤0.4 µmASTM A269 / A270
SS 316LSeamless2½" to 6" (63.5–152.4 mm)2.77–3.05 mm / SCH 40S≤0.4 µmASTM A269
SS 304LWelded½" to 2" (12.7–50.8 mm)1.65 mm / SCH 10S≤0.4 µmASTM A269 / A270
SS 304LSeamless½" to 2" (12.7–50.8 mm)1.65–2.11 mm≤0.4 µmASTM A269
SS 304LWelded2½" to 6" (63.5–152.4 mm)2.11–2.77 mm≤0.4 µmASTM A269 / A270
SS 304LWelded8" to 12" (219.1–323.9 mm)2.77–3.05 mm≤0.4 µmASTM A269
Duplex 2205Welded½" to 2" (12.7–50.8 mm)1.65–2.11 mm≤0.4 µmASTM A790
Duplex 2205Seamless½" to 4" (12.7–101.6 mm)2.11–3.05 mm≤0.4 µmASTM A790
Duplex 2205Welded4" to 8" (101.6–219.1 mm)2.77–3.76 mm≤0.4 µmASTM A790
Service Limitations (Told Upfront):
Avoid use with hydrofluoric acid. Not recommended for abrasive transport or abrasive slurries. Not for structural applications or high-impact wear. Handle with protective sleeves to avoid mechanical scratch damage.
Engineering Utility

Live Pipe Weight & Ra Surface Roughness Calculator

Instant dimension calculation and Ra unit conversions for engineering procurement

Pipe Weight Calculator

0.982 kg/m · 5.89 kg for 6 m
Weight formula: (OD − WT) × WT × K

Ra Surface Roughness Converter

≈ 17.4 µin RMS
1 µm = 39.3701 µin · RMS ≈ Ra × 1.11
In-House Workflow

The 5-Step Electropolishing and Passivation Process

01

Degreasing and Cleaning

Oils, cutting fluids and drawing residues are completely removed first. The finish is only as good as the chemical preparation.

02

Pickling / Activation

Where weld heat tint or surface oxide is present, it is etched and activated so the pipe surface electropolishes uniformly.

03

Anodic Electropolishing Bath

The pipe acts as anode in an electrolytic acid bath. High microscopic peaks dissolve first, levelling the surface and stripping free iron.

04

Passivation Stabilisation

The chromium-rich passive layer is stabilised per ASTM A967 / ASTM B912 to prevent future pitting and galvanic attack.

05

DI Water Rinse and Drying

High-purity deionised water rinse removes all electrolytic residues, followed by hot air drying, capping and clean poly-sleeving.

Auditable Records

Quality Assurance and Documentation

Document / TestStatus / Scope
MTC EN 10204 3.1 with heat-number traceability Confirmed (Standard with every dispatch)
100% PMI test and certificate Confirmed (Handheld XRF on every pipe length)
Ra surface roughness test (stylus profilometer) & surface report Confirmed (Supplied with measured Ra values)
Hydro (leak and pressure) test & certificate Confirmed (Hydrostatic tested per ASTM spec)
Passivation verification and ferrite check Confirmed (Reported in quality dossier)
QA inspection report and mill traceability Confirmed (Approved origin mills)
Third-party inspection (TÜV / Bureau Veritas / SGS / DNV) Accepted upon customer request
Questions & Answers

Frequently Asked Questions: Mumbai

We are at Shop No. 05, Ground Floor, 113/117, Dr. MG Mahimtura Marg, 3rd Kumbharwada, Mumbai 400004. You can appoint a third-party inspector to check the tube against the MTC before dispatch, and delivery time is confirmed in writing with each quotation.
24-Hour Quote

Specify Electropolished Pipe for Your Mumbai Plant

Send your grade, OD × wall, Ra requirement, length and quantity. We'll quote within 24 hours.

Our Address

Shop No. 05, Ground Floor, 113/117, Dr. MG Mahimtura Marg, 3rd Kumbharwada, Mumbai, Maharashtra 400004

Sales & Engineering Hotline

Click below to view our direct engineer phone numbers, dispatch contacts, and official sales email.

Delivery Schedule

We dispatch from Mumbai, and delivery time depends on size, quantity and stock; it is confirmed in writing with each quotation.

Key Industrial Areas & Belts Served:
AndheriMarolSEEPZVikhroliPowaiKanjurmargChemburTrombayMahulGovandiKurlaBhandupMulundMahapeNavi Mumbai
National Manufacturing Specifications

Electropolished Stainless Steel Pipes Supplied to Mumbai

Every pipe we supply to Mumbai adheres to strict international hygienic standards. Explore our core product specifications, Ra roughness certifications, and alloy grade properties:

Main Product Hub

Electropolished Stainless Steel Pipes

ASME BPE SF1-SF4 and ASTM A270 compliant hygienic pipes with internal Ra ≤ 0.38 µm (15 µin). 100% PMI tested with EN 10204 3.1 MTC.

View Full Engineering Specs
Pharma & Biotech Grade

SS 316L Electropolished Pipes

High-purity SS 316L (UNS S31603) electropolished tubes engineered for sterile WFI loops, injectable formulations, and bioprocess lines.

View Full Engineering Specs
Food & Dairy Grade

SS 304L Electropolished Pipes

Corrosion-resistant SS 304L (UNS S30403) electropolished piping designed for hygienic food, beverage, dairy processing, and CIP/SIP systems.

View Full Engineering Specs

Mumbai: Head Office City for India's Drug Makers

Mumbai's textile mills have given way to engineering, diamond polishing, healthcare, pharmaceutical marketing and information technology, the city is India's main financial centre, and several major drug companies are headquartered here: Cipla, Glenmark Pharmaceuticals and Lupin are all based in Mumbai, and Wockhardt's global headquarters is at Wockhardt Towers in the Bandra Kurla Complex.

When a company is headquartered in Mumbai and its plants are elsewhere, the tube specification and the vendor approval may be handled here while the material goes to the plant. We are based in Mumbai too, at Kumbharwada, so a head-office team can deal with a supplier in its own city.

Vendor Approval from a Mumbai Head Office

Before a corporate quality team adds a tube supplier to its approved list, it usually wants documents it can check on paper. These are the ones we can provide with a Mumbai vendor-approval file:

  • ISO 9001:2015 certificate for our quality management system.
  • A specimen EN 10204 3.1 certificate showing how each tube length is traced to its heat number.
  • Chemical analysis from an NABL-accredited laboratory, and PMI records for every length.
  • A specimen internal Ra report, as issued with every electropolished lot.
  • The tube standards we supply to: ASTM A270, A269, A249 and A312, with SF1 and SF4 finishes as defined in ASME BPE; grades 304, 304L, 316, 316L, and 904L supplied electropolished.

Aarey and the Bombay Milk Scheme: Mumbai's Dairy History

Mumbai also has one of India's best-known public dairy projects. In 1949 the government handed about 1,300 hectares of forest at Aarey, in Goregaon East, to Bombay's dairy development board. Under milk commissioner Dara Khurody the buffaloes and dairy farmers kept in sheds around the city were moved to Aarey Milk Colony, which Prime Minister Jawaharlal Nehru inaugurated in 1951.

The Bombay Milk Scheme run from Aarey supplied the city from a centralised, government-run dairy to milk booths across Mumbai, replacing milk that had often been unhygienic. Aarey still has milk plants, and about 16,000 cattle are kept there on 32 cattle farms, so dairy equipment and hygienic stainless pipework remain part of the city's industrial life.

Writing a Group-Wide Tube Specification in Mumbai

A specification written once at head office and applied to several plants should say which lines need SF4 electropolished 316L (water for injection, clean steam, hot-sanitised purified water and product contact after the final purification step) and which can run on SF1 mechanically polished tube, such as ambient purified water and utilities. It should also fix one OD series, usually ASME BPE, so spares and spools are interchangeable between sites.

Write the documents into the specification too: the 3.1 certificate per heat, PMI, the Ra report and the installer's weld and passivation records. When every plant buys against the same document, a validation team at any site receives the same evidence and does not have to argue about it again.

What a Mumbai Buyer Should Put in an RFQ

  • The plant the tube will be delivered to, even if the order is placed from a Mumbai office.
  • The service of each line (WFI, clean steam, purified water, product, CIP or utilities) and the required finish, SF1 or SF4, with your Ra limit.
  • OD x wall and metres per size to ASME BPE or ASTM A270 / A269, or pipe sizes to ASTM A312.
  • Your vendor-approval document list, so we can send it with the quotation.
  • We reply with a quotation within 24 hours; delivery time depends on size, quantity and stock and is confirmed in writing.

Delivery Across Mumbai, Thane and Navi Mumbai

Our address is Shop No. 05, Ground Floor, 113/117, Dr. MG Mahimtura Marg, 3rd Kumbharwada, Mumbai 400004, and we deliver across the city and the wider region.

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Sources for the local information on this page

Local information last reviewed: 2026-11-02

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