Stainless Steel Round Bars Supplier, Stockist & Exporter
SteelNix supplies Stainless Steel Round Bars for machining, shafts, fasteners, valves, pumps, marine equipment, fabrication, aerospace, chemical processing and engineering applications. Explore SS 304, 316, 321, 347, 410, 420, 431, 440, 904L, Nitronic, PH and special stainless steel grades in one complete product hub.
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Stainless Steel Round Bars
SteelNix offers a complete Stainless Steel Round Bars range for industrial buyers who need reliable bars for machining, fabrication, fasteners, shafts, valves, pumps, marine equipment and critical engineering components. This single product page helps buyers compare all major stainless steel round bar grades in one place.
One Complete Stainless Steel Bar Range
Our Stainless Steel Round Bars range includes black bars, bright bars, forged bars, polished bars, peeled bars and centerless ground bars. Grades include common stainless steels, heat-resistant grades, martensitic grades, PH grades, Nitronic grades and special high-performance alloys.
Suitable for Industrial & Project Supply
SteelNix supports stockists, OEMs, fabricators, machining shops, maintenance teams and industrial buyers with grade selection, material availability, MTC support and export-ready supply for Stainless Steel Round Bars.
Specification, Chemical Composition & Mechanical Properties
The details below give buyers a practical overview of Stainless Steel Round Bars. Final specifications, chemical limits and mechanical values may vary by grade, heat treatment condition, diameter, tolerance and order requirement.
Product Specifications
SteelNix can supply Stainless Steel Round Bars in standard and project-based sizes. Share your grade, diameter, length, quantity and delivery location for accurate pricing.
| Product Detail | Specification |
|---|---|
| Product Name | Stainless Steel Round Bars |
| Product Forms | Round Bars, Bright Bars, Black Bars, Forged Bars, Peeled Bars, Polished Bars and Centerless Ground Bars |
| Common Standards | ASTM, ASME, EN, DIN and equivalent project standards as per customer requirement |
| Available Grades | SS 303, 304, 304L, 304H, 309, 309S, 310, 310S, 310H, 316, 316L, 316H, 316Ti, 317, 317L, 321, 321H, 347, 347H, 410, 415, 420, 420F, 422, 430, 430F, 431, 440A, 440B, 440C, 446, 904L, 253 MA, 254 MO, A286 Alloy 660, Nitronic 50, Nitronic 60, SS 13-8 PH, SS 15-5 PH and SS 17-4 PH |
| Common Finish | Black, bright, polished, peeled, rough turned and centerless ground finish as per requirement |
| Common Applications | Shafts, fasteners, valves, pumps, fittings, marine hardware, machined components, fabrication and engineering parts |
| Documents | Material Test Certificate, inspection reports, test certificates and dispatch documents as per order terms |
Chemical Composition
| Grade Group | Type | Key Elements | Key Feature | Typical Use |
|---|---|---|---|---|
| SS 304 / 304L / 304H | Austenitic Stainless Steel | Chromium and nickel based stainless steel | General corrosion resistance and fabrication performance | Machining, fabrication, food equipment and general engineering |
| SS 316 / 316L / 316H / 316Ti | Molybdenum Bearing Austenitic | Chromium, nickel and molybdenum with grade-specific additions | Improved corrosion resistance in marine and chemical environments | Marine, chemical, valves, pumps and process equipment |
| SS 310 / 309 / 253 MA / 446 | Heat Resistant Stainless Steel | Higher chromium and nickel ranges depending on grade | Oxidation and high-temperature resistance | Furnaces, heat treatment, thermal equipment and high-temperature parts |
| SS 410 / 420 / 431 / 440 Series | Martensitic Stainless Steel | Chromium based hardenable stainless grades | Strength, hardness and wear resistance | Shafts, tools, fasteners, pump parts and machined components |
| PH / Nitronic / A286 Grades | Special Stainless Alloys | Grade-specific alloying additions for strength and performance | High strength, galling resistance, corrosion resistance or heat strength | Aerospace, fasteners, shafts, valves and critical engineering parts |
Mechanical Properties
| Grade Group | Strength Level | Hardness / Machinability | Corrosion Performance | Service Area |
|---|---|---|---|---|
| SS 304 / 304L / 304H | Good general strength | Good forming and machining performance | Good general corrosion resistance | General engineering, fabrication and components |
| SS 316 / 316L / 316Ti | Good strength with better corrosion resistance | Good machining with correct tooling | Better chloride and chemical resistance than 304 grades | Marine, chemical and process equipment |
| SS 410 / 420 / 440 Series | High strength and hardness potential | Suitable for wear-resistant machined parts | Moderate corrosion resistance | Shafts, tools, valves, pump shafts and mechanical parts |
| SS 17-4 PH / 15-5 PH / 13-8 PH | High-strength precipitation hardening grades | Heat-treatment dependent | Good corrosion resistance with high strength | Aerospace, fasteners, shafts and critical components |
| Nitronic / A286 / 904L | Special grade-specific strength | Performance depends on grade and condition | High corrosion, galling or heat resistance depending on grade | Special industrial, aerospace, marine and chemical applications |
Stainless Steel Round Bar Grades
Explore the complete Stainless Steel Round Bars range supplied by SteelNix for machining, fabrication, fasteners, valves, pumps, shafts, marine hardware and engineering applications.
A286 Alloy 660 Round Bars
High-strength alloy bar for aerospace, fasteners and heat service.
Ask PriceNitronic 50 Round Bars
High-strength stainless bar with excellent corrosion resistance.
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High-strength precipitation hardening grade for critical parts.
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Used for aerospace, shafts, fasteners and precision components.
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Heat-resistant stainless bar for furnaces and thermal systems.
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Super austenitic bar for chloride and high-corrosion service.
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Excellent machinability for fasteners, fittings and precision parts.
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Low-carbon stainless bar for welded and corrosion-resistant parts.
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Common stainless round bar for general engineering and fabrication.
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Used in heat treatment, furnace and oxidation-resistant service.
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Low-carbon heat-resistant grade for welded thermal applications.
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Used for high-temperature strength and oxidation resistance.
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Suitable for furnaces, burners and thermal processing equipment.
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High-temperature version of 316 for pressure and thermal systems.
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Stabilized stainless bar for heat and corrosion-resistant service.
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High-temperature martensitic bar for turbine and thermal parts.
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Ferritic stainless bar for general corrosion-resistant components.
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High-strength stainless bar for shafts and marine components.
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Used where hardness and moderate corrosion resistance are needed.
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High-hardness stainless bar for bearings, tools and wear parts.
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Excellent oxidation resistance for high-temperature applications.
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High-alloy stainless bar for acids, seawater and severe corrosion.
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Stainless Steel Round Bars are selected for strength, corrosion resistance, machinability, surface finish and long service life across industrial applications.
Shafts & Machined Parts
Used for shafts, pins, bushings, turned parts and precision components.
Fasteners & Fittings
Suitable for bolts, nuts, studs, fittings and threaded components.
Valves & Pumps
Used in valve stems, pump shafts, bodies and corrosion-resistant assemblies.
Marine & Chemical
Applied in marine hardware, chemical equipment and process components.
Industries We Serve
SteelNix supports project buyers, stockists, OEMs, fabricators, machining shops and maintenance teams with Stainless Steel Round Bars.
Engineering
Machined components, shafts, industrial parts and fabrication requirements.
Marine
Marine hardware, pump parts, shafts and corrosion-resistant components.
Chemical Plants
Valves, fittings, fasteners and process equipment parts.
Aerospace & Power
High-strength PH grades, A286 bars and heat-resistant stainless components.
Testing & Documents
SteelNix can arrange documentation and inspection support based on product grade, quantity, project specification and order terms.
MTC
Material Test Certificate can be provided for supplied Stainless Steel Round Bars.
PMI Testing
Positive Material Identification can be arranged where required by the buyer.
Hardness Testing
Hardness and mechanical testing support can be arranged as per requirement.
Inspection
Visual, dimensional and third-party inspection support can be offered as applicable.
Frequently Asked Questions
Helpful answers for buyers searching for Stainless Steel Round Bars from SteelNix.
Which Stainless Steel Round Bar grades does SteelNix supply?
SteelNix supplies SS 303, 304, 304L, 304H, 309, 309S, 310, 310S, 310H, 316, 316L, 316H, 316Ti, 317, 317L, 321, 321H, 347, 347H, 410, 415, 420, 420F, 422, 430, 430F, 431, 440A, 440B, 440C, 446, 904L, 253 MA, 254 MO, A286 Alloy 660, Nitronic 50, Nitronic 60, SS 13-8 PH, SS 15-5 PH and SS 17-4 PH round bars.
What are Stainless Steel Round Bars used for?
Stainless Steel Round Bars are used for shafts, fasteners, valves, pumps, fittings, marine hardware, machined components, fabrication parts and engineering equipment.
What is the difference between black bars and bright bars?
Black bars usually have a hot rolled or forged surface, while bright bars are finished for better dimensional accuracy, surface finish and machining use.
Which stainless steel round bar grade is best for marine use?
SS 316, SS 316L, SS 316Ti, SS 904L, Nitronic 50 and some duplex/special grades are commonly considered for marine and chloride-rich environments. Final selection should follow the project specification.
Which grades are suitable for high strength?
SS 17-4 PH, SS 15-5 PH, SS 13-8 PH, Nitronic 50, A286 Alloy 660, SS 431 and 440 series grades are commonly used where higher strength or hardness is required.
Can SteelNix provide Material Test Certificates?
Yes, Material Test Certificates and inspection documents can be provided as per order terms, product availability and customer requirements.
How can I get a price for Stainless Steel Round Bars?
To receive a quotation, share the grade, diameter, length, quantity, finish, standard, delivery location and any inspection or documentation requirement.
Need Stainless Steel Round Bars?
Share your required grade, diameter, length, finish, quantity, standard and delivery location. SteelNix will help you with material availability, pricing and technical support.