ISO 9001:2015 Manufacturer · Mumbai

Electropolished Pipes & Tubes Manufacturer and Supplier in Anakapalle

Anakapalle district holds Andhra Pradesh's densest pharma and bulk-drug cluster: Jawaharlal Nehru Pharma City at Parawada, the Atchutapuram SEZ and the Nakkapalli industrial area, on the coast south of Visakhapatnam. We manufacture and electropolish SS 316L and duplex 2205 pipes and tubes and supply these plants and the contractors who build them directly, with MTC EN 10204 3.1, 100% PMI testing and a measured Ra report on every order.

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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 / A790
Regional Capability

Electropolished Pipe for Parawada, Atchutapuram and Nakkapalli

Anakapalle sits on the coast about 40 km south-west of Visakhapatnam, and the industry around it falls into three belts. Jawaharlal Nehru Pharma City at Parawada, about 33 km south of Vizag, is a theme-based pharma park of roughly 2,400 acres developed by the state's industrial infrastructure corporation with a private partner, built to host bulk drug, pharmaceutical and fine-chemical makers, with a sector-specific pharma SEZ inside it and shared utilities and effluent infrastructure. The Andhra Pradesh Special Economic Zone at Atchutapuram and Rambilli, a multi-product SEZ of about 5,595 acres, hosts further API and formulation plants alongside other sectors. Nakkapalli, in the Visakhapatnam–Kakinada petroleum, chemicals and petrochemicals investment region, is a larger industrial area planned for chemicals and related industry, and Lankelapalem also lists pharma units.

A word on fit. Most plants here make bulk drugs and APIs by chemical synthesis, and their reactor-side solvent, acid and halide lines can need other materials. The coast adds salt air and chloride-bearing water. Where we're useful is the clean side of these plants (purified water, WFI, clean utilities, laboratory lines and formulation lines), chloride-heavy duty where duplex 2205 is the better answer, and the EPC contractors and fabricators who build them.

Zone / MIDCTypical End-UseApplicationOur Usual Spec
Jawaharlal Nehru Pharma City, Parawada (about 2,400 acres)Bulk drugs, APIs, formulations and fine chemicalsWFI, purified water, CIP, clean utility, laboratory lines316L, internal Ra ≤0.4 µm, surface report; duplex 2205 for chloride duty
Pharma SEZ inside ParawadaExport-oriented pharma unitsPurified water, clean steam, WFI, design-stage specs316L, full document pack
APSEZ Atchutapuram and Rambilli (about 5,595 acres)Multi-product SEZ including API and formulation plantsPurified water, clean utility, laboratory lines; process lines after a media check316L; duplex 2205 after a media check
Nakkapalli industrial areaChemicals, petrochemicals and mixed industry, partly plannedClean utility, DM water, design-stage specs316L / duplex 2205, project quotes
Lankelapalem and other APIIC pharma parksPharma and API unitsPurified water, clean utility316L
EPC contractors and fabricators building for the estatesPlant construction and process equipmentHeaders, skids, clean-utility piping, cut to drawing316L / 304L, traceable cut lengths
Anakapalle town agro and food unitsJaggery, sugar and food processingHygienic transfer, wash lines304L; 316L for chloride-bearing wash

WFI and purified water for API and pharma plants

316L with a smooth internal surface and verified passivation.

Chloride-heavy coastal duty

Duplex 2205 and 316L, chosen for chloride resistance rather than finish alone.

Clean-side lines in synthesis plants

DM-water, sampling, instrument and laboratory lines, with process lines checked against your media.

Formulation and clean-utility lines

Smooth, passivated tubing for tablets, injectables and packaging-side utilities.

EPC and fabrication supply

Cut-to-length pipe with heat-number traceability and a document pack your client's inspector will accept.

Design-stage projects

Quotes against your drawings and specification, with the document pack you'll need for commissioning.

Local Buying Notes for Anakapalle:
  • Most plants here are API plants, and we'll say plainly where electropolished pipe isn't the answer. Purified water, WFI and clean utility suit electropolished 316L very well. Reactor-side solvent, acid and halide lines can need other materials, so send us the fluid, concentration and temperature before you order. Avoid hydrofluoric acid and abrasive slurries.
  • Plain 304 is a poor bet on this coast. Salt-laden air and chloride-bearing water attack 304 by pitting. We steer exposed and wet runs towards 316L or duplex 2205, and suggest super duplex for the harshest seawater-linked duty.
  • Big plants buy through EPC contractors and approved-vendor lists. If you're an EPC or a fabricator, we supply with the document pack your client's inspector expects. If your plant has a vendor registration process, send us the form and we'll complete it.
  • Regulated pharma is audited. Every order ships with heat-number traceability, a measured Ra surface report, and passivation and ferrite records. These support your validation file but don't replace your own validation documentation.
  • We're a long way from Parawada, and we'll say so. Freight is a large share of any small order. For a few plain lengths, a local dealer will usually be cheaper. We're the better choice when you need a measured Ra, heat-number traceability, a particular size or finish, or the full document pack.
  • If your project has a fixed date, tell us when you enquire and we'll say plainly whether it fits.
  • Send the whole requirement at once. Consolidated orders spread freight better. If you also buy for Visakhapatnam city, Kakinada or Rajahmundry, send the requirements together and we'll quote one consolidated dispatch with one document format.
  • Protect the finish. Humid, saline air can mark an electropolished surface in storage. We cap the ends and sleeve every length, and we recommend keeping the sleeves on until installation.
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: Anakapalle

We dispatch from Mumbai, and delivery time depends on size, quantity and stock; it is confirmed in writing with each quotation. We cap the pipe ends, sleeve each length and pack for the journey and for the humid, saline air, so the electropolished finish arrives undamaged. If your project has a fixed date, tell us when you enquire and we'll say plainly whether it fits.
24-Hour Quote

Specify Electropolished Pipe for Your Anakapalle 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:
AnakapalleParawadaJawaharlal Nehru Pharma CityThadiThanamLankelapalemAtchutapuramRambilliNakkapalliPayakaraopetaYelamanchiliVisakhapatnam (nearby)
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