Union Steel Industries is a trusted supplier and exporter of Stainless Steel Circles, Rings and Custom Cut Circles, backed by the Navpad Metal Group’s 20+ years of industry heritage. Based in MIDC Bhosari, Pune, Maharashtra, we supply stainless steel circles and rings in multiple grades, thicknesses, diameters and specifications for engineering, fabrication, automotive, pharmaceutical, chemical, food processing, oil & gas, marine and general industrial applications.

Stacks of metal coils and rings, representing industrial metal strips and coils.

STAINLESS STEEL CIRCLES & RINGS SUPPLIER IN PUNE, INDIA

Union Steel Industries supplies Stainless Steel Circles, Plate Cut Circles, Stainless Steel Rings and Custom Circular Components for industrial and engineering applications across India and export markets.

Our range includes laser-cut, plasma-cut, waterjet-cut, CNC-cut and plate-cut circles manufactured according to required diameter, thickness, grade, finish and dimensional requirements.

We can also supply Stainless Steel Jindal Plate Cut Circles sourced from suitable stainless steel plate material, subject to grade, thickness, plate availability and customer requirements.

For ring applications, we supply Custom OD/ID Stainless Steel Rings and Ring Blanks according to customer drawings, dimensions and technical specifications.

As an ISO 9001:2015 certified company, our focus is on material quality, dimensional accuracy, traceability and reliable supply.

Contact our technical sales team today for an instant commercial quote.
WhatsApp: +91 9877778677 | Email: sales@unionsteel.co.in

01

QUALITY CIRCLES & RINGS

Stainless Steel Circles and Rings supplied according to applicable material standards, dimensions, finish and customer requirements.

02

Certified & Compliant

ISO 9001:2015 certified supplier offering MTC, PMI testing and inspection support as required.

STAINLESS STEEL CIRCLES & RINGS

Available in multiple grades, thicknesses, diameters and cutting configurations for industrial and engineering applications.

Available Material Grades

Product Highlights

STAINLESS STEEL CIRCLE GRADES

Union Steel Industries can supply Stainless Steel Circles and Rings in commonly requested grades according to applicable material specifications.

Common Grades

SS 202 | SS 304 | SS 304L | SS 309 | SS 309S | SS 310 | SS 310S | SS 316 | SS 316L | SS 316Ti | SS 321 | SS 347 | SS 409 | SS 410 | SS 420 | SS 430 | SS 440C | SS 17-4 PH | SS 904L

1. SS 202 CIRCLES & RINGS

Economical austenitic stainless steel commonly selected for general fabrication and engineering applications.

2. SS 304 CIRCLES & RINGS

Widely used stainless steel offering good corrosion resistance, formability and weldability.

3. SS 304L CIRCLES & RINGS

Low-carbon version of 304 commonly selected for welded fabrication and corrosion-resistant applications.

4. SS 316 CIRCLES & RINGS

Molybdenum-bearing stainless steel offering improved resistance in chloride and chemical environments.

5. SS 316L CIRCLES & RINGS

Commonly used for chemical, pharmaceutical, food processing, marine and process equipment applications.

6. SS 310S CIRCLES & RINGS

High-temperature stainless steel selected for elevated-temperature applications.

7. SS 321 CIRCLES & RINGS

Titanium-stabilized stainless steel used for elevated-temperature and welded applications.

8. SS 410 / SS 420 CIRCLES & RINGS

Martensitic grades used where strength, hardness and wear resistance are important.

9. SS 430 CIRCLES & RINGS

Ferritic stainless steel used in automotive, appliance, architectural and general engineering applications.

10. SS 904L CIRCLES & RINGS

High-alloy austenitic stainless steel selected for demanding corrosive environments.

JINDAL STAINLESS PLATE CUT CIRCLES & RINGS

Union Steel Industries can supply Stainless Steel Plate Cut Circles and Rings manufactured from suitable Jindal Stainless plate material, subject to grade, plate availability and customer requirements.

REQUIREMENTS & DETAILS
Requirement Details
Grade Stainless Steel Grade
Plate Thickness Required Thickness
Circle Diameter Required Diameter
Ring OD Outer Diameter
Ring ID Inner Diameter
Quantity Required Quantity
Finish As Required
Cutting Method Laser / Plasma / Waterjet / CNC / Plate Cutting
MTC As Required

Jindal Stainless plate-cut circles can be processed according to required diameter, thickness and dimensional specifications.

Common Applications

Fabrication | Pressure Equipment | Industrial Components | Chemical Equipment | Food Processing | Engineering | Stamping | Manufacturing

STAINLESS STEEL RINGS

Stainless Steel Rings are circular components manufactured with a specified Outer Diameter (OD) and Inner Diameter (ID).

Union Steel Industries supplies Stainless Steel Rings and Custom Ring Blanks for industrial, engineering, fabrication and manufacturing applications.

Common Ring Grades

SS 304 | SS 304L | SS 316 | SS 316L | SS 321 | SS 347 | SS 410 | SS 420 | SS 430 | SS 904L

RING REQUIREMENTS
Requirement Specification
Grade Stainless Steel Grade
Standard ASTM / ASME / EN / DIN / JIS
Thickness Required Thickness
OD Outer Diameter
ID Inner Diameter
Quantity Required Quantity
Finish As Required
Cutting Method As Required
Tolerance As Required
MTC As Required

Custom ring dimensions can be reviewed against customer drawings and technical specifications.

STAINLESS STEEL CIRCLE CUTTING SERVICES

Union Steel Industries can coordinate suitable cutting processes according to material grade, thickness, diameter, quantity, tolerance and edge requirements.

Cutting Options
Laser Cutting | Plasma Cutting | Waterjet Cutting | CNC Cutting | Plate Cutting

The appropriate cutting method depends on material type, thickness, diameter, tolerance, edge condition and production quantity.

CIRCLE & RING MATERIAL SPECIFICATIONS
Specification Requirement
Material Grade Stainless Steel / Alloy
Standard ASTM / ASME / EN / DIN / JIS
Thickness Required Thickness
Diameter Circle Diameter
OD Ring Outer Diameter
ID Ring Inner Diameter
Tolerance As Required
Finish 2B / BA / HR / CR / MATI / MATT
Cutting Method Laser / Plasma / Waterjet / CNC
Quantity Required Quantity

For Circles

Diameter | Thickness | Grade | Finish | Cutting Tolerance | Quantity● Slit Edge: Standard clean edge produced during precision rotary slitting.

● Deburred Edge: Mechanically treated to remove sharp burrs for safer machine feeding.

● Rounded Edge: Smoothly contoured edge profile for high-flexing components, springs, and manual handling.

For Rings

OD | ID | Thickness | Grade | Tolerance | Finish | Quantity

Custom sizes can be evaluated against customer drawings and technical specifications.

INTERNATIONAL STANDARDS & COMPLIANCE
Material Category Common Standards Typical Grades
Stainless Steel ASTM A240 / ASME SA240 202, 304, 304L, 309, 310S, 316, 316L, 321, 347, 410, 420, 430, 904L
Duplex Stainless Steel ASTM A240 / ASME SA240 2205, UNS S31803, UNS S32205
Super Duplex Stainless Steel ASTM A240 / ASME SA240 2507, UNS S32750, UNS S32760
SMO 254 ASTM A240 / ASME SA240 UNS S31254
Hastelloy ASTM B575 / ASME SB575 B2, B3, C276, C22
Inconel Applicable ASTM / ASME 600, 601, 625, 718
Monel Applicable ASTM / ASME 400, K500
Titanium ASTM B265 / ASME SB265 Grade 1, Grade 2, Grade 5
Aluminium ASTM B209 / ASME SB209 1100, 5052, 6061, 6082, 7075
Copper ASTM B152 C11000
Brass ASTM B36 C26000, C46400

Specific grades may require product-specific standards. Material will be supplied according to the applicable purchase specification and agreed technical requirements.

STAINLESS STEEL CIRCLE SURFACE FINISHES

Stainless Steel Circles and Rings can be supplied with applicable surface finishes according to material grade, thickness, cutting process and application.

2B Finish

Smooth cold-rolled finish commonly used for industrial, food processing, pharmaceutical and general engineering applications.

BA Finish

Bright annealed finish providing a bright and reflective surface.

No.1 Finish

Hot-rolled, heat-treated and descaled finish commonly associated with stainless steel plate products.

No.4 Satin Finish

Brushed finish providing a uniform directional satin appearance.

Hairline Finish

Fine directional brushed finish providing a linear surface appearance.

Matte Finish

Low-reflective surface providing a smooth and understated appearance.

8K Mirror Finish

Highly reflective polished surface used for architectural, decorative and specialized applications.

DUPLEX & SUPER DUPLEX CIRCLES & RINGS

Union Steel Industries can source Duplex and Super Duplex Circles and Rings for applications requiring high strength and enhanced corrosion resistance.

Duplex Stainless Steel

Duplex 2205 | UNS S31803 | UNS S32205

Super Duplex Stainless Steel

Super Duplex 2507 | UNS S32750 | UNS S32760

Applications

Oil & Gas | Chemical Processing | Marine | Desalination | Heat Exchangers | Water Treatment | Petrochemical | Process Equipment

SMO 254 CIRCLES & RINGS

SMO 254 / UNS S31254 is a high-alloy austenitic stainless steel used in demanding corrosive environments.

Applications

Chemical Processing | Marine Equipment | Desalination | Pharmaceutical Equipment | Process Plants | Heat Exchangers

Common Specification: ASTM A240 / ASME SA240

SMO 254 Circles and Rings can be sourced according to required grade, dimensions, specification and quantity.

TITANIUM CIRCLES & RINGS

Titanium Circles and Rings are used where high corrosion resistance, low density and strength-to-weight performance are required.

Common Grades

Titanium Grade 1 | Grade 2 | Grade 5

Applications

Chemical Processing | Aerospace | Marine | Heat Exchangers | Specialized Engineering

Common Specification: ASTM B265 / ASME SB265

STAINLESS STEEL CIRCLES & RINGS SUPPLY ACROSS INDIA

Located in MIDC Bhosari, Pune, Maharashtra, Union Steel Industries supplies Stainless Steel Circles, Rings and custom circular components to customers across major Indian industrial markets.

MAJOR MARKETS

Pune | Mumbai | Navi Mumbai | Thane | Nashik | Chhatrapati Sambhajinagar | Ahmedabad | Vadodara | Surat | Jamnagar | Rajkot | Vapi | Delhi NCR | Bengaluru | Hyderabad | Chennai

We support manufacturers, OEMs, fabricators, engineering companies, traders, procurement teams and industrial buyers with domestic supply and coordinated logistics.

DISTRIBUTION NETWORK & EXPORT MARKETS

Located in MIDC Bhosari, Pune, Maharashtra, Union Steel Industries serves and dispatches orders to major industrial markets across India. We serve customers across Pune and PCMC industrial areas, including MIDC Bhosari, Chakan, Talawade, Talegaon, Ranjangaon, Pirangut and Hadapsar.

● Regional Hubs Served: Pune, Mumbai, Thane, Navi Mumbai, Nashik, Vadodara, Ahmedabad, Surat, Delhi NCR, Bengaluru, Hyderabad, Chennai, Kolkata, and Visakhapatnam.

● Global Export Destinations: GCC Countries, Middle East, Europe, and North America.

WHY UNION STEEL

WHERE QUALITY MEETS EXCELLENCE

When your project depends on the quality of its raw materials, you need more than a supplier. You need a dependable industrial metal partner.
Union Steel Industries combines industry experience, quality-focused sourcing and responsive customer service to deliver reliable metal solutions.

Backed by Navpad Metal Group’s decades of technical experience.

Strict quality assurance protocols at every supply stage.

Sourcing across stainless steel, nickel a loys, titanium, and non-ferrous metals.

Wooden crates, sea-worthy pallets, waterproof wrapping, and protective PVC film.

Frequently asked questions

Union Steel Industries can supply commonly requested stainless steel grades including 202, 304, 304L, 309, 309S, 310, 310S, 316, 316L, 316Ti, 321, 347, 409, 410, 420, 430, 440C, 17-4 PH and 904L, subject to dimensions, specification, quantity and availability.

Yes. Stainless Steel Circles can be cut from suitable Jindal Stainless plate material, subject to grade, plate availability, thickness, diameter, quantity and customer requirements. MTC and traceability documentation can be supplied according to applicable order requirements.

Yes. Custom Stainless Steel Rings can be supplied according to required outer diameter (OD), inner diameter (ID), thickness, grade, tolerance and quantity, subject to the selected cutting or manufacturing process.

Depending on material grade, thickness, diameter, tolerance and quantity, suitable cutting methods may include laser cutting, plasma cutting, waterjet cutting, CNC cutting and plate cutting.

Yes. EN 10204 3.2 inspection documentation can be arranged for applicable orders where required by the purchase order, project specification or inspection plan. Third-party inspection can also be coordinated according to the agreed scope.

Yes. In addition to Stainless Steel, Union Steel Industries can source Duplex, Super Duplex, SMO 254, Hastelloy, Inconel, Monel, Titanium, Aluminium, Copper, Brass and other applicable specialty alloys.