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Stainless Steel Bars, Rods & Hex Bars

Stainless Steel Round Bars Manufacturer and Supplier in India - SS 304 316 904L Round Bars
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Stainless Steel Bars, Rods & Hex Bars – Leading Manufacturer & Supplier in India

Stainless India is a leading manufacturer, supplier, stockist and exporter of Stainless Steel Round Bars, Stainless Steel Rods, Stainless Steel Hex Bars and Stainless Steel Square Bars in India. We supply premium quality SS 304, SS 304L, SS 316, SS 316L, SS 310, SS 310S, SS 321, SS 347, SS 347H, SS 410, Duplex Stainless Steel, Super Duplex Stainless Steel and 904L Stainless Steel Bars manufactured according to ASTM A276, ASTM A479, EN, DIN and ASME standards.

Our stainless steel bars are available in hot rolled, cold drawn, bright drawn, peeled, polished, centreless ground and black finish conditions with excellent dimensional accuracy, superior mechanical strength and outstanding corrosion resistance. Every product undergoes strict quality inspection and is supplied with EN 10204 3.1 Mill Test Certificates, PMI testing, third-party inspection and complete material traceability.

Stainless Steel Round Bars are extensively used in oil & gas industries, petrochemical plants, refineries, marine engineering, offshore platforms, power generation, pharmaceutical plants, food processing equipment, chemical processing, heat exchangers, pressure vessels, construction projects, CNC machining, valves, fasteners, shafts and precision engineering applications where durability and corrosion resistance are critical.

As one of India's trusted stainless steel bar exporters, Stainless India supplies customised diameters, cut-to-length bars and bulk quantities with fast delivery across India, the Middle East, Europe, Asia, Africa and more than 70 export destinations. Our technical team helps customers select the correct stainless steel grade based on corrosion resistance, strength, temperature requirements and project specifications.

Product Range

Types of Stainless Steel Bars

We manufacture and supply Stainless Steel Round Bars, Hex Bars, Square Bars, Flat Bars and custom stainless steel profiles in ASTM A276 and ASTM A479 specifications. Our products are available in multiple grades, sizes, finishes and tolerances for machining, fabrication, construction, oil & gas, marine, chemical processing, pharmaceutical, food processing and heavy engineering industries.

Round Bars

  • Diameter:3 mm to 300 mm
  • Grades:304, 316, 321, 347, 410, 904L
  • Finish:Bright, Black, Peeled, Ground

Hex Bars

  • Size:10 mm to 75 mm AF
  • Applications:Fasteners, Valves, CNC Parts
  • Tolerance:h8, h9 & h11

Square Bars

  • Size:6 mm to 100 mm
  • Length:Standard & Cut to Size
  • Surface:Bright, Ground & Mill Finish

Custom Profiles

  • Products:Flat, Rectangular & Forged Bars
  • Services:Cutting, Threading & Machining
  • Custom Sizes:Available on Request
Available Finishes:
Black Bright Polish Rough Turned Centreless Ground Peeled & Straightened
Material Specifications

Available Grades

Grade Family Available Specifications
Austenitic Stainless Steel 300 Series
SS 304 SS 304L SS 316 SS 316L SS 321 SS 321H SS 347 SS 347H SS 310 SS 310S SS 303 (Free Machining)

Ideal for chemical processing, food processing, pharmaceutical equipment, marine applications, pressure vessels, fabrication and general engineering due to excellent corrosion resistance and weldability.

Martensitic Grades 400 Series
SS 410 SS 420 SS 431

Suitable for shafts, valves, pump components, fasteners and wear-resistant engineering applications requiring higher hardness and strength.

Duplex & Super Duplex High Strength
Duplex 2205 (S31803) Super Duplex 2507 (S32750)

High-strength stainless steel grades developed for aerospace, defence, nuclear, precision engineering and heavy industrial applications.

Special Grades Precipitation Hardening
904L 17-4 PH 15-5 PH

High-strength stainless steel grades developed for aerospace, defence, nuclear, precision engineering and heavy industrial applications.

High Nickel Alloys Available on Request
Inconel Monel Hastelloy

Available for extreme temperatures, aggressive chemicals, offshore installations and high-performance industrial equipment requiring exceptional corrosion resistance.

Stainless Steel Round Bar Manufacturing Standards Standards

Our products are manufactured in strict accordance with international quality standards.

Our stainless steel bars are manufactured according to ASTM, ASME, EN, DIN and JIS standards to ensure excellent dimensional accuracy, mechanical properties, corrosion resistance and global acceptance for engineering, EPC and industrial projects.

Our products are manufactured in strict accordance with international quality standards.

ASTM A276 / A479

Specification for Stainless Steel Bars & Shapes

ASTM A582

Standard for Free-Machining Stainless Steel Bars

Global Standards

EN 10088, DIN & JIS International Equivalents

Our Advantage

Every stainless steel bar supplied by Stainless India undergoes strict quality inspection imensional verification and material testing before dispatch. We deliver precision-engineered products backed by international certifications and complete traceability.

ISO Certified

Manufactured under strict ISO quality management systems.

Premium Raw Material

Sourced only from trusted and approved global mills.

Versatile Finishes

Bright, Black, Peeled, Polished & Cold Drawn available.

Precise Tolerance

CNC finishing ensures h8, h9, h11 dimensional accuracy.

100% Tested

Radiography, Ultrasonic & Hardness testing reports provided.

Fast Delivery

Export-ready packaging with reliable logistics network.

Cut-to-Size

Custom lengths cut precisely to your project requirements.

Bulk Stock

Massive inventory ready for urgent immediate dispatch.

Applications & Industries

Our stainless steel round bars, rods and hex bars are widely used across industries requiring high corrosion resistance, strength, precision machining and long service life.

Common applications include pump shafts, valve stems, fasteners, marine hardware, pressure vessels, heat exchangers, pharmaceutical equipment, food processing machinery, refinery equipment, offshore platforms, petrochemical plants, fabrication work, CNC machining, automotive components and heavy engineering projects.

Machining & Tools
Oil & Gas Equip.
Marine & Ship
Food Processing
Shafts & Valves
Heat Exchangers
Aerospace Parts
Construction
Chemical Plants
Power Plants
Automotive
Machinery Mfg

Related Stainless Steel Products

Stainless Steel Pipes
Stainless Steel Sheets & Plates
Stainless Steel Butt Weld Fittings
Stainless Steel Forged Fittings
Stainless Steel Flanges
Stainless Steel Fasteners
Our Expertise

Why STAINLESS INDIA is a Top SS Bar Supplier?

With decades of industry experience, extensive inventory, fast delivery and technical expertise, Stainless India supplies stainless steel bars that meet demanding international quality standards for domestic and export markets.

ISO 9001:2015 Certified

Manufactured under strict quality management systems ensuring consistency.

Superior Resistance

Excellent resistance to corrosion, oxidation, and high-heat environments.

Mill TC & TPI

Supplied with Mill Test Certificates & Third-Party Inspection (BV/DNV/Lloyds).

Outstanding Machinability

Optimized for ease of machining, reducing tool wear and production time.

Value Added Services

In-house testing, precise cutting, and surface polishing facilities.

Precise Tolerance

Strict adherence to dimensional tolerances for critical engineering applications.

Extended Service Life

High durability materials designed to last longer in harsh conditions.

Competitive & Fast

Best market pricing coupled with prompt delivery schedules.

Global Reach

Trusted exporter supplying to over 45 countries worldwide.

Frequently Asked Questions – SS Bars & Rods

Find answers to the most frequently asked questions about Stainless Steel Round Bars, Hex Bars, Square Bars, ASTM specifications, grades, finishes, sizes, testing, certifications, applications and export supply.

ASTM A276 pertains to hot or cold finished bars intended for structural or general applications. In contrast, ASTM A479 is specifically for stainless bars utilized in pressure vessels or high-temperature environments (Boilers, Heat Exchangers).

We supply stainless steel round bars from 3 mm to 300 mm diameter in standard and custom cut lengths with hot rolled, bright drawn, peeled and centreless ground finishes.

Yes. Every stainless steel bar is supplied with EN 10204 3.1 Mill Test Certificate. PMI testing, third-party inspection and NABL laboratory testing can also be arranged on request.

Stainless steel round bars are widely used in oil & gas, petrochemical, marine, pharmaceutical, food processing, construction, automotive, aerospace, power generation, heavy engineering and precision machining industries.

Indeed, we provide Cold Drawn and Centreless Ground bright bars, which are well-suited for CNC and high-precision machining tasks due to their superior dimensional accuracy.

While often used interchangeably, Round Bars are generally manufactured with tighter tolerances and precision for machining and structural applications, whereas Rods often refer to thinner diameters used for more general purposes or welding filler.

SS 316 / 316L is known for its exceptional resistance, particularly in marine environments and chemical settings containing chlorides. For even more aggressive environments, we recommend Duplex or 904L grades.

Yes, we provide a variety of finishes including Bright , Cold Drawn , and Mirror Polished bars to meet both aesthetic and functional requirements.

Yes. We ship to the UAE, USA, UK, Saudi Arabia, Germany, Europe, Africa, Singapore, Malaysia, and other locations. All exports are accompanied by complete documentation and EN 10204 3.1/3.2 certificates .

Type of Stainless Steel Bars & Rods

Stainless Steel Round Bar Manufacturer in India SS 304 Round Bar Supplier SS 316L Rod Stockist
Stainless Steel Hex Bar Supplier Stainless Steel Bright Bar Manufacturer 304/316 Stainless Steel Bars Exporter
Duplex Stainless Steel Round Bar Stainless Steel Shaft Rods SS Flat Bar and Square Bar Supplier
Stainless Steel Round Bar Supplier SS 304 Rod Manufacturer India ASTM A276 Round Bars
Stainless Steel Round Bar Exporter Custom Size Stainless Rods Bright Finish Stainless Steel Bar

Global Export Network

Stainless India exports stainless steel round bars, rods and hex bars to more than 70 countries, supplying EPC contractors, OEM manufacturers, engineering companies and industrial projects with internationally certified materials and complete export documentation.

We regularly export Stainless Steel Round Bars, Hex Bars and Rods to customers across North America, Europe, the Middle East, Africa, Asia and Oceania with fast logistics support and complete traceability.

USA • UK • Germany • Italy • UAE • Saudi Arabia • Qatar • Oman • Kuwait • Singapore • Malaysia • Indonesia • Australia • South Africa • Brazil • Mexico • India

All Shipments Include:

Every shipment is packed according to international export standards and supplied with complete inspection and shipping documents.

  • Packing List
  • Invoice
  • MTC 3.1 / 3.2
  • Third-Party Inspection (TUV/LR/BV) if required
  • Heat Number Traceability

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Our technical sales team helps you select the correct stainless steel grade, dimensions and specifications based on your project requirements. We provide competitive quotations, quick responses and worldwide shipping suppor

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