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Stainless Steel Round Bars

Stainless Steel Round Bars Manufacturer, Supplier & Exporter – Inox Steel India

Inox Steel India is a reliable manufacturer, supplier, and exporter of Stainless Steel Round Bars in austenitic grades 304, 304L, 316, 316L, 310, 321, and 347, manufactured and supplied in accordance with ASTM A276 / ASTM A479 standards.

Our stainless steel round bars are supplied to engineering, machining, oil & gas, marine, power, and fabrication industries across India and international markets including GCC, Middle East, Africa, Europe, and the Americas.

With consistent stock availability in standard and custom diameters, Inox Steel India supports both OEM production requirements and project-based bulk supply, offering mill-tested material with complete traceability.

What Are Stainless Steel Round Bars & How Are They Manufactured?

Stainless steel round bars are solid cylindrical metal products widely used for machining, shafting, fasteners, structural components, and precision-engineered parts. Unlike hollow sections, round bars provide uniform strength, superior machinability, and high load-bearing capacity.

At Inox Steel India, stainless steel round bars are manufactured using controlled metallurgical processes to ensure dimensional accuracy and consistent mechanical properties.

Manufacturing Process Overview

Billet Selection: High-quality stainless steel billets of grades 304/L, 316/L, 310, 321, and 347 are selected based on chemical composition requirements.
Hot Rolling / Forging: Billets are hot rolled or forged to achieve the required diameter range while maintaining grain integrity.
Heat Treatment: Solution annealing is performed to restore corrosion resistance and mechanical properties.
Surface Finishing: Bars are supplied in hot rolled (black), bright drawn, peeled, or polished finish.
Straightening & Cutting: Bars are straightened and cut to random lengths or customer-specified cut lengths.
Inspection & Testing: Each batch undergoes dimensional inspection, mechanical testing, and PMI verification.

This process ensures stainless steel round bars suitable for critical service conditions involving corrosion, pressure, and temperature variations.

Key Advantages of Stainless Steel Round Bars from Inox Steel India

Excellent corrosion resistance in atmospheric and chemical environments
High strength combined with good ductility
Superior machinability for precision components
Uniform diameter and surface consistency
Suitable for welding, forging, and heat treatment
Long service life with minimal maintenance

These characteristics make stainless steel round bars a preferred raw material for industrial manufacturing and heavy engineering applications.

Grades & Standards Available

Inox Steel India supplies stainless steel round bars in the following grades:

SS 304 / 304L – General-purpose corrosion-resistant grade

SS 316 / 316L – Enhanced resistance to chlorides and marine environments

SS 310 – High-temperature oxidation-resistant grade

SS 321 – Titanium-stabilized grade for elevated temperature service

SS 347 – Niobium-stabilized grade for pressure vessel and thermal applications

Applicable Standards:
ASTM A276 / ASTM A479

Master Technical Datasheet inserted above applies to all grades.

Key Factors to Consider When Selecting Stainless Steel Round Bars

Corrosion Exposure: SS 316/316L is preferred for marine and chemical environments.
Temperature Resistance: SS 310, SS 321, and SS 347 perform well at elevated temperatures.
Weldability: Low-carbon grades reduce carbide precipitation.
Machining: Bright drawn bars offer tighter tolerance for CNC machining.
Compliance: ASTM compliance with EN 10204 certification ensures acceptance.

Global & Indian Demand Overview

India: High demand from machining hubs, valve manufacturers, chemical processing plants, and infrastructure projects.

GCC & Middle East: Used in oil & gas components, desalination plants, and refinery equipment.

Europe & Americas: Preferred for pressure vessels and engineered components requiring ASTM-compliant material.

Inox Steel India maintains stock readiness and export documentation to support fast global dispatch.

Applications of Stainless Steel Round Bars

Industry	Typical Applications	Preferred Grades
Machining & Engineering	Shafts, pins, fasteners	SS 304, SS 316
Oil & Gas	Valve parts, connectors	SS 316L
Marine	Propeller shafts, fittings	SS 316L
Chemical Processing	Agitators, reactors	SS 316, SS 347
Power & Energy	Heat-resistant components	SS 310, SS 321
Fabrication	Frames, supports	SS 304