Rourkela is Odisha's steel city, built around one of India's earliest integrated steel plants, with a dense base of engineering workshops, an industrial estate at Kalunga, an engineering institute and large hospitals. We manufacture and electropolish SS 304L and 316L pipes and tubes and supply Rourkela's clean-utility lines, institutions and fabricators directly, with MTC EN 10204 3.1, 100% PMI testing and a measured Ra report on every order.
Rourkela is a planned city in Sundargarh district, in northern Odisha on the Howrah–Mumbai rail line, and it grew around the steel plant that India's first public-sector steel project built there in the 1950s with German collaboration. The state acquired about 80 square miles around it for the plant. Today the city is nicknamed the "Industrial Capital of Odisha", and its industry includes the steel plant and its captive utilities, a fertiliser unit listed under the plant in a regulator's records, and Rourkela Industrial Estate at Kalunga, whose listed units are mostly iron and steel. The wider Sundargarh district adds iron-and-steel, sponge-iron and cement works around Rajgangpur and other iron-ore areas. The city also hosts an engineering institute, a large steel-plant hospital and other institutions.
A word on fit. Steel-making, sponge iron and cement are heavy or dry processes whose main lines use carbon steel and specialty alloy. Where we're useful is the small set of clean lines inside the plant (DM water, boiler-feed, sampling, instrument and laboratory lines), the many fabricators and engineering workshops that serve it, and institutional laboratory and clean-steam systems.
| Zone / MIDC | Typical End-Use | Application | Our Usual Spec |
|---|---|---|---|
| Integrated steel plant and captive utilities | Steel-making, captive power and utilities | DM-water, boiler-feed, sampling, instrument and laboratory lines; not main process | 316L / 304L, small-bore |
| Rourkela Industrial Estate, Kalunga | Iron and steel units, small manufacturing | Clean utility, DM water, skid assemblies | 304L / 316L, cut to drawing |
| Engineering workshops and fabricators serving the plant | Equipment, machinery and maintenance builders | Headers, skids, tank pipework, spares, cut-to-length supply | 304L / 316L, traceable cut lengths |
| Engineering institute, hospitals and research facilities | Teaching, healthcare and research | Clean steam, purified water, laboratory lines, small lots | 316L / 304L, internal Ra ≤0.4 µm |
| Fertiliser and chemical units | Fertiliser and chemicals | DM-water and laboratory lines only; not process | 316L / 304L |
| Sponge iron and cement (Rajgangpur and district) | Metal and mineral processing | Dry or heavy process; laboratory and utility lines only | 304L |
Smooth, passivated 304L and 316L for demineralised-water and utility lines.
Small-bore stainless tube cut to drawing, for the analysis lines that need clean, traceable material.
Clean, documented tubing for hospital sterilisation units, labs and research facilities, in small lots.
Cut lengths supplied against your drawing and schedule.
Cut-to-length pipe with heat-number traceability for the shops that maintain and build for the plant.
A smooth bore cleans faster and drains better, where food or beverage plants need it.
| 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 304L | Welded | ½" to 2" (12.7–50.8 mm) | 1.65 mm / SCH 10S | ≤0.4 µm | ASTM A269 / A270 |
| SS 304L | Seamless | ½" to 2" (12.7–50.8 mm) | 1.65–2.11 mm | ≤0.4 µm | ASTM A269 |
| SS 304L | Welded | 2½" to 6" (63.5–152.4 mm) | 2.11–2.77 mm | ≤0.4 µm | ASTM A269 / A270 |
| SS 304L | Welded | 8" to 12" (219.1–323.9 mm) | 2.77–3.05 mm | ≤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 Rourkela adheres to strict international hygienic standards. Explore our core product specifications, Ra roughness certifications, and alloy grade properties: