Fabrication Works
Fabrication work coordinated around drawings, dimensions and project requirements.
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Precision-engineered steel and piping products for demanding industrial requirements.
Omegha Steel delivers reliable industrial piping solutions with a focus on quality, precision, technical requirements and dependable supply.
Quality Focused
Engineering Precision
Reliable Supply
Project-Oriented Support
Omegha Steel is a partnership firm engaged in the manufacturing of high-quality steel products, including flanges up to 8000 NB, pipe fittings, MS ERW pipes and more. Founded by Sartak Patni and Monika Patni and incorporated on 14th February 2026, the company serves contractors, fabricators and industrial clients with a focus on reliability and excellence.
Built on values of trust, transparency and customer satisfaction, Omegha Steel is backed by a robust supplier network and committed to delivering quality products at competitive prices.
We understand the importance of timely supply and consistent quality in every project, and aim to build long-term relationships through responsive coordination and dependable service.

High-quality steel products traded for demanding industrial applications, including flanges up to 8000 NB, pipe fittings, MS ERW pipes and more.
Fabrication work coordinated around drawings, dimensions and project requirements.
View Fabrication Works
A strong focus on product quality, specifications and customer requirements.
Attention to material, dimensional and technical requirements for industrial applications.
Focused on dependable sourcing, coordination and delivery.
Understanding customer requirements and providing responsive support.
Building lasting relationships through consistency, transparency and reliability.

From product selection and technical requirements to inspection, documentation and dispatch, Omegha Steel is committed to maintaining a reliable and systematic approach to industrial supply.
Founded by Sartak Patni and Monika Patni and incorporated on 14th February 2026, Omegha Steel was established with a vision to build a dependable name in the industrial steel manufacturing sector.
The company combines entrepreneurial leadership with a focus on product quality, customer requirements, timely supply and long-term business relationships.
Omegha Steel operates from Room Number 98, Model House, 40 No, Strand Road, Kolkata 700001, serving contractors, fabricators, EPC teams and industrial buyers in Kolkata, West Bengal and across India.
Enquiries for pipe fittings, flanges, forged fittings, fasteners, MS ERW pipes and fabrication works are handled directly by our team, with product selection and documentation coordinated around each requirement.
Free steel pipe calculators and reference charts used by fabricators and project teams across Kolkata and India — pipe weight in kg per metre, surface area, volume, plate and bar weight, flange weight and bolt patterns.
Weight of a steel pipe from outside diameter, wall thickness and length.
Open calculatorOutside surface area of a pipe for painting, coating and insulation estimates.
Open calculatorInternal volume and water capacity of a pipe run.
Open calculatorWeight of a rectangular steel plate or sheet from length, width and thickness.
Open calculatorWeight of solid round bar from diameter and length.
Open calculatorApproximate weight of a flange from outside diameter, bore, thickness and bolt holes.
Open calculatorBolt hole spacing, chord distance and hole coordinates on a flange bolt circle.
Open calculatorBolt torque from target bolt load or stress using the K-factor method.
Open calculatorRing gasket contact area and the bolt load needed for a given seating stress.
Open calculatorNPS, DN, outside diameter and wall thickness by schedule (ASME B36.10/19).
View chartASME B16.5 Class 150, 300 and 600 — flange OD, PCD and bolt hole patterns in mm.
View chartQuick reference for pipe outside diameters and wall thicknesses in mm — NPS 1/8 to 24.
View chartPractical buying guides — pipe schedules, pipe weight, flange selection and fastener grades.
Read guidesASME and ASTM standards explained — B16.5 flanges, B16.9 fittings, A105, A234 and more.
Browse standardsPipes, fittings, flanges, fasteners and fabrication works supplied from Kolkata, West Bengal.
About our supplySteel. Piping. People at work.
Drag to exploreIllustrative industrial imagery
Share your product requirement, specification or BOQ with Omegha Steel and our team will get back to you.