Omegha Steel emblemOmeghasteel
Industrial Steel & Piping

Industrial Pipe Fittings, Flanges & Piping Products

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

Company

Industrial Products. Reliable Performance.

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.

Industrial warehouse with stacked steel pipes and flanges
Product Range

Our Product Range

High-quality steel products traded for demanding industrial applications, including flanges up to 8000 NB, pipe fittings, MS ERW pipes and more.

01

Fabrication Works

Fabrication work coordinated around drawings, dimensions and project requirements.

View Fabrication Works
Fabrication Works — industrial steel products
Our Advantage

Why Omegha Steel?

Quality Focus

A strong focus on product quality, specifications and customer requirements.

Technical Understanding

Attention to material, dimensional and technical requirements for industrial applications.

Reliable Supply

Focused on dependable sourcing, coordination and delivery.

Customer-Centric Approach

Understanding customer requirements and providing responsive support.

Long-Term Relationships

Building lasting relationships through consistency, transparency and reliability.

Applications

Built for Industrial Requirements

Machined steel flange face being measured with a caliper
Quality

Quality That Builds Confidence

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.

  1. 01Requirement
  2. 02Product Selection
  3. 03Quality Check
  4. 04Documentation
  5. 05Dispatch
Our Story

Founded with a Vision for Reliability

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.

Based in Kolkata

Steel & Piping Supplier in Kolkata, West Bengal

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.

Tools & Info

Steel & Pipe Calculators for India

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.

Pipe Weight Calculator

Weight of a steel pipe from outside diameter, wall thickness and length.

Open calculator

Pipe Outside Surface Area Calculator

Outside surface area of a pipe for painting, coating and insulation estimates.

Open calculator

Pipe Volume & Capacity Calculator

Internal volume and water capacity of a pipe run.

Open calculator

Plate & Sheet Weight Calculator

Weight of a rectangular steel plate or sheet from length, width and thickness.

Open calculator

Round Bar Weight Calculator

Weight of solid round bar from diameter and length.

Open calculator

Flange Weight Calculator

Approximate weight of a flange from outside diameter, bore, thickness and bolt holes.

Open calculator

Flange Bolt Circle Calculator

Bolt hole spacing, chord distance and hole coordinates on a flange bolt circle.

Open calculator

Flange Bolt Torque Calculator

Bolt torque from target bolt load or stress using the K-factor method.

Open calculator

Gasket Area & Seating Load Calculator

Ring gasket contact area and the bolt load needed for a given seating stress.

Open calculator

Steel Pipe Dimensions Chart

NPS, DN, outside diameter and wall thickness by schedule (ASME B36.10/19).

View chart

Flange Dimensions Chart

ASME B16.5 Class 150, 300 and 600 — flange OD, PCD and bolt hole patterns in mm.

View chart

Steel Pipe Data Chart

Quick reference for pipe outside diameters and wall thicknesses in mm — NPS 1/8 to 24.

View chart

Piping & Steel Guides

Practical buying guides — pipe schedules, pipe weight, flange selection and fastener grades.

Read guides

Standards Reference

ASME and ASTM standards explained — B16.5 flanges, B16.9 fittings, A105, A234 and more.

Browse standards

Steel Supplier in Kolkata

Pipes, fittings, flanges, fasteners and fabrication works supplied from Kolkata, West Bengal.

About our supply

Have an Industrial Requirement?

Share your product requirement, specification or BOQ with Omegha Steel and our team will get back to you.