Gwalior is the main city of northern Madhya Pradesh, with the large Malanpur Industrial Area, a dry port and a mix of pharma, food, dairy, chemical and engineering plants on its doorstep. We manufacture and electropolish SS 316L and 304L pipes and tubes and supply Gwalior's plants and fabricators directly, with MTC EN 10204 3.1, 100% PMI testing and a measured Ra report on every order.
The industry around Gwalior is concentrated at Malanpur, a multi-product industrial area of about 1,389 hectares north of the city with an inland container depot that works as a dry port. The state names Malanpur among its pharma hubs and food-processing centres, and it hosts medium and large units ranging from chemicals to consumer durables. Gwalior itself has a long engineering and agro-processing tradition, producing chemicals, engineering tools, sandstone and agro-processed foods, with cereal and dairy processing rated among its strongest food sectors. The state also lists Gwalior among its electronics-manufacturing locations. Other estates in the surrounding Chambal region, such as the Pipersewa industrial area in Morena district (about 80 hectares), add smaller units.
A word on fit. Sandstone, engineering tools and most construction materials don't use electropolished pipe. Where we're useful is Malanpur's pharma units, food and dairy plants, clean utilities in the chemical and consumer-durables plants, and the fabricators who serve them.
| Zone / MIDC | Typical End-Use | Application | Our Usual Spec |
|---|---|---|---|
| Malanpur Industrial Area (about 1,389 ha, with dry port) | Pharma, food and dairy, chemicals, consumer durables | WFI, purified water, CIP, clean utility, laboratory lines | 316L, internal Ra ≤0.4 µm, surface report |
| Pharma units at Malanpur | Formulation and healthcare plants | Purified water, process utility, laboratory lines | 316L |
| Food, dairy and agro processing | Cereal, dairy and packaged food | Milk transfer, hygienic transfer, CIP, clean utility | 304L; 316L for acidic or salted products |
| Chemical and fertiliser plants on the outskirts | Industrial chemicals and fertilisers | Clean utility and DM water; process lines only after a media check | 316L; duplex 2205 after a media check |
| Gwalior city industrial areas | Engineering tools, machinery, small manufacturers | Clean utility, skid assemblies, small lots | 304L / 316L, cut to drawing |
| Morena district estates (Banmore, Pipersewa) | Mixed manufacturing | Hygienic transfer, clean utility | 304L |
| Fabricators and equipment builders | Local workshops serving the plants | Headers, skids, tank pipework, cut to drawing | 304L / 316L, traceable cut lengths |
316L with a smooth internal surface and verified passivation, for pharma and formulation plants at Malanpur.
A smooth, passivated interior that cleans fast between batches and doesn't hold milk fat or residue.
DM-water, process-water and laboratory lines where cleanliness matters.
A smooth bore cleans faster and drains better, which matters for caustic and acid wash cycles.
Cut-to-length pipe with heat-number traceability for the shops that serve Malanpur and Gwalior's plants.
A complete, consistent document pack for plants that ship through the inland container depot.
| Grade | UNS | WNR (EN) | Typical Process Use |
|---|---|---|---|
| SS 316L | S31603 | 1.4404 | Pharma, biotech, WFI loops, chloride or aggressive cleaning chemicals |
| SS 304L | S30403 | 1.4307 | Dairy, food, beverage, winery, general hygienic & utility lines |
| Duplex 2205 | S31803 / S32205 | 1.4462 | High yield strength, extreme chloride resistance, chemical & coastal duty |
| Super Duplex | S32750 / S32760 | 1.4410 / 1.4501 | High-pressure aggressive acids, offshore, harsh petrochemical streams |
| Service | Typical Industry Band | Ra µin (exact) | Sakshi Forge Offer |
|---|---|---|---|
| Pharma / biotech | Ra ≤0.25 to ≤0.4 µm | 9.8 to 15.7 µin | Standard: ≤0.4 µm (ASME BPE SF4) |
| Dairy / food / beverage | Ra ≤0.6 to ≤0.8 µm | 23.6 to 31.5 µin | Within standard offer (≤0.4 µm) |
| Semiconductor / UHP | Ra ≤0.13 to ≤0.25 µm | 5.1 to 9.8 µin | Available on custom drawing spec |
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 Size | OD (mm) | WT (mm) | 304L (kg/m) | 316L (kg/m) | Duplex 2205 (kg/m) |
|---|---|---|---|---|---|
| ½" | 12.7 | 1.65 | 0.454 | 0.457 | 0.447 |
| ¾" | 19.05 | 1.65 | 0.715 | 0.720 | 0.703 |
| 1" | 25.4 | 1.65 | 0.976 | 0.982 | 0.960 |
| 1½" | 38.1 | 1.65 | 1.498 | 1.508 | 1.473 |
| 2" | 50.8 | 1.65 | 2.020 | 2.033 | 1.987 |
Interactive specification explorer with live filters (DOM-preserved for search indexing)
| Grade | Type | OD Range | Wall / Schedule | Internal Ra | Standards |
|---|---|---|---|---|---|
| SS 316L | Welded | ½" to 2" (12.7–50.8 mm) | 1.65 mm / SCH 10S | ≤0.4 µm (SF4) | ASTM A269 / A270, ASME BPE |
| SS 316L | Seamless | ½" to 2" (12.7–50.8 mm) | 1.65–2.77 mm / SCH 40S | ≤0.4 µm (SF4) | ASTM A269, ASME BPE |
| SS 316L | Welded | 2½" to 6" (63.5–152.4 mm) | 2.11–2.77 mm / SCH 10S | ≤0.4 µm | ASTM A269 / A270 |
| SS 316L | Seamless | 2½" to 6" (63.5–152.4 mm) | 2.77–3.05 mm / SCH 40S | ≤0.4 µm | ASTM A269 |
Instant dimension calculation and Ra unit conversions for engineering procurement
Oils, cutting fluids and drawing residues are completely removed first. The finish is only as good as the chemical preparation.
Where weld heat tint or surface oxide is present, it is etched and activated so the pipe surface electropolishes uniformly.
The pipe acts as anode in an electrolytic acid bath. High microscopic peaks dissolve first, levelling the surface and stripping free iron.
The chromium-rich passive layer is stabilised per ASTM A967 / ASTM B912 to prevent future pitting and galvanic attack.
High-purity deionised water rinse removes all electrolytic residues, followed by hot air drying, capping and clean poly-sleeving.
| Document / Test | Status / 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 |
Send your grade, OD × wall, Ra requirement, length and quantity. We'll quote within 24 hours.
Shop No. 05, Ground Floor, 113/117, Dr. MG Mahimtura Marg, 3rd Kumbharwada, Mumbai, Maharashtra 400004
Click below to view our direct engineer phone numbers, dispatch contacts, and official sales email.
We dispatch from Mumbai, and delivery time depends on size, quantity and stock; it is confirmed in writing with each quotation.
Every pipe we supply to Gwalior adheres to strict international hygienic standards. Explore our core product specifications, Ra roughness certifications, and alloy grade properties: