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Stainless Steel 304 Round Bars

Bright, black, threaded & precision ground stainless steel 304 round bars in multiple sizes and finishes. Ready stock, custom cut lengths and worldwide export.

Stainless Steel 304 Round Bar Supplier & Exporter

Siddhgiri Overseas is a trusted Stainless Steel 304 Round Bar Supplier & Exporter, offering high-quality bars manufactured to ASTM A276, ASTM A479, and other international standards. Our SS 304 Round Bars are widely used in engineering, fabrication, construction, food processing, automotive, and industrial applications that require excellent corrosion resistance and reliable mechanical performance.

We supply Stainless Steel 304 Round Bars in a wide range of diameters, finishes, and supply conditions, including bright, black, threaded, hollow, precision ground, and pump shaft quality bars. Standard stock and custom cut lengths are available to meet the needs of OEMs, fabricators, EPC contractors, and industrial buyers.

Backed by ready inventory, certified quality, and efficient export logistics, Siddhgiri Overseas supplies SS 304 Round Bars across India, UAE, Saudi Arabia, Qatar, Kuwait, Oman, South Africa, and other global markets. Every order is supported with competitive pricing, prompt delivery, and responsive customer service.

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Stainless Steel 304 Round Bars Supplier

Why Choose SS 304 Round Bars?

Stainless Steel 304 Round Bars are one of the most widely used austenitic stainless steel products due to their excellent balance of corrosion resistance, strength, formability, and cost-effectiveness. They are suitable for a broad range of industrial applications where reliable performance, easy fabrication, and long service life are essential.

The excellent corrosion resistance, mechanical strength, and fabrication properties of SS 304 Round Bars make them ideal for both general-purpose and precision engineering applications. Whether used for shafts, fasteners, machined parts, structural assemblies, or industrial equipment, they provide reliable service in demanding operating environments, making them one of the most widely specified stainless steel grades worldwide.

Why Stainless Steel 304 Round Bars Are the Preferred Choice

Excellent Corrosion Resistance

SS 304 Round Bars provide reliable resistance against moisture, oxidation, and many industrial chemicals, making them suitable for indoor, outdoor, and moderately corrosive environments.

High Strength with Good Fabrication Properties

The combination of mechanical strength and excellent weldability allows Stainless Steel 304 Round Bars to be easily machined, welded, and fabricated into precision-engineered components.

Suitable for Multiple Industries

From food processing and construction to automotive, pharmaceutical, paper, and general engineering, SS 304 Round Bars deliver dependable performance across a wide range of industrial applications.

Available in Various Sizes & Finishes

We supply Stainless Steel 304 Round Bars in bright, black, threaded, hollow, precision ground, and pump shaft quality finishes with multiple diameters and custom-cut lengths to suit specific project requirements.

Cost-Effective for General Engineering Applications

Compared to higher alloy stainless steel grades, SS 304 Round Bars offer an excellent combination of performance, durability, and value, making them one of the most economical choices for everyday industrial use.

Stainless Steel 304 Round Bar Specifications

Siddhgiri Overseas supplies Stainless Steel 304 Round Bars in various sizes, finishes, and supply conditions to support machining, fabrication, structural engineering, and industrial manufacturing requirements. Our SS 304 Round Bars are manufactured to internationally recognized standards, ensuring consistent quality, dimensional accuracy, and dependable performance.

Specification Details
Product Stainless Steel 304 Round Bar
Standards ASTM A276, ASTM A479
Material Grade SS 304 / UNS S30400 / WNR 1.4301 / SUS 304
Round Bar Size 4 mm – 500 mm
Bright Bar Size 4 mm – 200 mm
Length 1 – 6 Meters or Custom Cut Lengths
Tolerance K9–K12 & H8–H11
Surface Finish Rough Turned, Black, Bright Polished, No.4 Finish, BA Finish, Matt Finish
Supply Condition Hot Rolled Pickled, Cold Drawn, Annealed, Hardened & Tempered
Value Added Services Cutting, Centreless Grinding, Machining, Forging, Heat Treatment, Pickling & Polishing

Mechanical Properties & Equivalent Grades of SS 304 Round Bars

Stainless Steel 304 Round Bars are valued for their excellent combination of strength, ductility, and corrosion resistance. These mechanical properties make them suitable for machining, fabrication, structural components, and industrial equipment where long-term reliability and consistent performance are essential.

Mechanical Properties of SS 304 Round Bars

Property Value
Material Grade SS 304 / UNS S30400
Melting Point 1400°C (2550°F)
Tensile Strength 515 MPa (75,000 Psi)
Yield Strength (0.2% Offset) 205 MPa (30,000 Psi)
Elongation 35%
Density 8.0 g/cm³
Hardness 92 HB

Equivalent Grades of SS 304 Round Bars

Standard Grade Designation
UNS S30400
Werkstoff No. 1.4301
EN X5CrNi18-10
JIS SUS 304
BS 304S31

What These Properties Mean for Your Application

  • High Tensile Strength – Delivers robust mechanical performance capable of handling heavy loads and demanding operating conditions.
  • Excellent Ductility & Elongation – The 35% elongation ensures material flexibility during forming, bending, and fabrication without cracking or breaking.
  • Low Hardness – The 92 HB hardness rating indicates easy machinability and fabrication, reducing production time and tooling costs.
  • Outstanding Durability – The combination of these properties ensures long service life and minimal maintenance requirements in industrial environments.

Available Types of Stainless Steel 304 Round Bars

Siddhgiri Overseas supplies Stainless Steel 304 Round Bars in a variety of forms to meet the requirements of machining, fabrication, construction, and industrial manufacturing. Each type is designed for specific applications, allowing customers to select the most suitable bar based on performance, finish, and processing requirements.

SS 304 Round Bar

The standard and most widely used form, suitable for shafts, fasteners, machine components, structural fabrication, and general engineering applications requiring excellent corrosion resistance and mechanical strength.

SS 304 Bright Bar

Manufactured with a smooth, precision-finished surface and tight dimensional tolerances, bright bars are ideal for CNC machining, precision engineering, automotive components, and high-accuracy industrial applications.

SS 304 Black Bar

Hot rolled with a mill finish, black bars are commonly used for heavy fabrication, structural engineering, forged components, and applications where further machining or processing is required.

SS 304 Threaded Bar

Designed for fastening and structural support applications, threaded bars are widely used in construction, industrial equipment, anchoring systems, and mechanical assemblies.

SS 304 Hollow Bar

Featuring a hollow cross-section, these bars help reduce overall weight while maintaining excellent strength, making them suitable for bushings, sleeves, hydraulic components, and precision-machined parts.

SS 304 Precision Ground Bar

Produced with superior dimensional accuracy and surface finish, precision ground bars are preferred for bearings, pump shafts, hydraulic equipment, and high-performance engineering components.

SS 304 Pump Shaft Quality Bar

Manufactured for demanding rotating equipment, these bars offer excellent straightness, strength, and surface quality for use in pumps, motors, compressors, and marine equipment.

Applications of Stainless Steel 304 Round Bars

The excellent combination of corrosion resistance, mechanical strength, and fabrication properties makes Stainless Steel 304 Round Bars suitable for a wide range of commercial and industrial applications. Their versatility allows them to be machined, welded, and fabricated into components used across multiple engineering sectors.

Food Processing & Beverage Equipment

SS 304 Round Bars are widely used to manufacture processing equipment, mixing systems, conveyors, storage tanks, and machine components where corrosion resistance, hygiene, and easy cleaning are essential.

Construction & Architectural Projects

Used in structural supports, handrails, fasteners, decorative components, and fabricated assemblies that require an attractive finish along with long-term durability and corrosion resistance.

General Engineering & CNC Machining

Ideal for producing precision shafts, pins, bushes, couplings, gears, threaded components, and custom-machined parts due to their excellent machinability and dimensional stability.

Automotive & Transportation Industry

Commonly used in automotive components, brackets, shafts, fasteners, and mechanical assemblies that demand reliable strength, wear resistance, and consistent performance.

Paper, Pulp & Process Industries

Suitable for rollers, machine components, conveyors, and processing equipment operating in environments where moisture resistance and dependable mechanical properties are important.

Pumps, Valves & Fluid Handling Equipment

Frequently used for pump shafts, valve components, fittings, and precision-engineered parts because of their good corrosion resistance, strength, and machining characteristics.

Industrial Fabrication & Manufacturing

Preferred by fabricators for manufacturing frames, supports, machine parts, and custom industrial equipment thanks to their excellent weldability and ease of fabrication.

Defence & Heavy Engineering

Used in precision mechanical components, heavy-duty equipment, and engineered assemblies that require high strength, durability, and dependable long-term performance under demanding operating conditions.

Stainless Steel 304 Round Bar vs Stainless Steel 316 Round Bar

Both Stainless Steel 304 Round Bars and Stainless Steel 316 Round Bars are widely used across engineering, fabrication, and industrial applications. While they share many mechanical properties, the addition of molybdenum in SS 316 provides improved resistance to chlorides and harsh chemical environments. The right choice depends on the operating conditions, corrosion exposure, and project budget.

Feature SS 304 Round Bar SS 316 Round Bar
Composition 18% Chromium, 8% Nickel 16% Chromium, 10–14% Nickel, 2–3% Molybdenum
Corrosion Resistance Excellent for general industrial environments Superior resistance in marine and chloride-rich environments
Mechanical Strength High strength and good durability Similar mechanical strength with improved corrosion performance
Weldability Excellent Excellent
Machinability Good Good
Common Applications Construction, food processing, architectural, automotive, machinery Marine, chemical processing, pharmaceutical, offshore, coastal projects
Cost More economical Higher due to molybdenum content

For most general engineering, fabrication, food processing, and structural applications, Stainless Steel 304 Round Bars provide an excellent combination of corrosion resistance, strength, and cost-effectiveness. They are the preferred choice where exposure to aggressive chlorides or highly corrosive chemicals is limited.

If your application involves seawater, coastal environments, chemical processing, or pharmaceutical equipment, Stainless Steel 316 Round Bars offer enhanced corrosion resistance and longer service life. Selecting the correct grade based on the operating environment helps maximize performance while optimizing project costs.

Why Choose Siddhgiri Overseas for Stainless Steel 304 Round Bars?

Siddhgiri Overseas is a trusted Stainless Steel 304 Round Bar Supplier & Exporter, serving OEMs, fabricators, EPC contractors, engineering companies, and industrial buyers across India and international markets. We supply certified SS 304 Round Bars that meet international quality standards for consistent performance and reliability.

Ready Stock for Immediate Supply

We maintain a comprehensive inventory of SS 304 Round Bars in various sizes, diameters, finishes, and supply conditions, enabling us to fulfill urgent requirements, repeat orders, and large-scale project demands with shorter lead times.

Certified Quality with Full Traceability

Every order is supplied in accordance with ASTM A276 and ASTM A479 standards and is accompanied by Mill Test Certificates (MTC), ensuring complete material traceability and compliance with project specifications.

Custom Cut Lengths & Value-Added Processing

Along with standard stock sizes, we provide custom cutting, machining, centreless grinding, heat treatment, pickling, polishing, and forging services to help reduce fabrication time, material wastage, and overall production costs.

Safe Export Packaging & Worldwide Delivery

Our products are securely packed using export-grade wooden pallets, crates, and protective wrapping to ensure safe transportation. We regularly supply customers across India, UAE, Saudi Arabia, Qatar, Kuwait, Oman, South Africa, and other international markets.

Dedicated Support from Enquiry to Delivery

From selecting the right material to arranging dispatch, our experienced sales team provides prompt quotations, technical guidance, and responsive customer support to make your procurement process simple and efficient.

Complete Documentation & Testing Services

Test certificates including EN 10204 3.1/3.2, Mill Test Certificates (MTC), Third-Party Inspection Reports, and Raw Material Certificates are available on request to meet the compliance requirements of your project.

Request a Quote for Stainless Steel 304 Round Bars

Looking for a reliable Stainless Steel 304 Round Bar Supplier for your next project? Siddhgiri Overseas supplies premium-quality SS 304 Round Bars in multiple sizes, finishes, and specifications with fast delivery to customers across India, the UAE, Saudi Arabia, Qatar, Kuwait, Oman, South Africa, and other global markets. Share your required diameter, length, finish, quantity, and delivery location with our team to receive a competitive quotation.