Carbon Steel Round Bars Supplier, Stockist & Exporter
SteelNix supplies Carbon Steel Round Bars for machining, shafts, fasteners, flanges, forged fittings, structural parts, oil & gas components, pressure equipment and general engineering applications. Explore A105, A350 LF2, A36, A694 F42 to F65, AISI 1018, AISI 1045, S275 JR, S335J2 and S335JO grades in one complete product hub.
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Carbon Steel Round Bars
SteelNix offers a complete Carbon Steel Round Bars range for industrial buyers who need strong, machinable and cost-effective bars for fabrication, forging, machining, flanges, shafts, fasteners and structural components. This single product page helps buyers compare all major carbon steel round bar grades in one place.
One Complete Carbon Steel Bar Range
Our Carbon Steel Round Bars range includes black bars, bright bars, forged bars, hot rolled bars, cold drawn bars, peeled bars and machined bars. Grades include ASTM, AISI and structural carbon steel grades suitable for general engineering and project-based procurement.
Suitable for Industrial & Project Supply
SteelNix supports stockists, OEMs, fabricators, machining shops, flange manufacturers, forging units, maintenance teams and industrial buyers with grade selection, material availability, MTC support and export-ready supply for Carbon Steel Round Bars.
Specification, Chemical Composition & Mechanical Properties
The details below give buyers a practical overview of Carbon 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 Carbon 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 | Carbon Steel Round Bars |
| Product Forms | Round Bars, Bright Bars, Black Bars, Hot Rolled Bars, Cold Drawn Bars, Forged Bars, Peeled Bars and Machined Bars |
| Common Standards | ASTM, ASME, AISI, EN, DIN and equivalent project standards as per customer requirement |
| Available Grades | 275 JR, A105, A350 LF2, A36, A694 F42, F46, F48, F50, F52, F56, F60, F65, AISI 1018, AISI 1045, S335J2 and S335JO |
| Common Finish | Black, bright, peeled, rough turned, forged, hot rolled, cold drawn and machined finish as per requirement |
| Common Applications | Shafts, fasteners, forged components, flanges, fittings, structural parts, machinery components, oil & gas parts and general engineering |
| 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 |
|---|---|---|---|---|
| A105 / A350 LF2 | Forging Quality Carbon Steel | Carbon, manganese and controlled residual elements | Good strength and pressure component suitability | Flanges, fittings, valves and pressure equipment parts |
| A36 / 275 JR / S335J2 / S335JO | Structural Carbon Steel | Carbon-manganese steel with structural grade chemistry | Good weldability and structural performance | Construction, fabrication, frames and general structures |
| A694 F42 to F65 | High-Strength Carbon Steel | Controlled carbon, manganese and strengthening elements | Higher strength for pressure and pipeline components | High-pressure flanges, fittings and oil & gas components |
| AISI 1018 | Low Carbon Steel | Low carbon with manganese content | Good machinability, weldability and forming performance | Machined parts, shafts, pins and general components |
| AISI 1045 | Medium Carbon Steel | Higher carbon content than 1018 | Better strength, hardness and wear resistance potential | Shafts, gears, axles, pins and machinery parts |
Mechanical Properties
| Grade Group | Strength Level | Machinability | Weldability | Service Area |
|---|---|---|---|---|
| A105 / A350 LF2 | Good pressure component strength | Good machining with correct tooling | Good with proper procedure | Flanges, fittings, valves and forged parts |
| A36 / 275 JR / S335 Grades | Good structural strength | Suitable for general machining | Good weldability | Structural fabrication and engineering parts |
| A694 F42 to F65 | Higher strength grade-specific values | Grade and condition dependent | Requires suitable welding procedure | High-pressure and oil & gas applications |
| AISI 1018 | Low to medium strength | Good machinability | Good weldability | General machined components and shafts |
| AISI 1045 | Medium to high strength potential | Good machining performance | Requires controlled welding practice | Shafts, pins, gears, axles and wear parts |
Carbon Steel Round Bar Grades
Explore the complete Carbon Steel Round Bars range supplied by SteelNix for machining, forging, fabrication, flanges, fittings, shafts, fasteners and general engineering applications.
275 JR Round Bar
General structural carbon steel bar for fabrication and engineering use.
Ask PriceA105 Round Bar
Common carbon steel bar for forged flanges, fittings and valves.
Ask PriceA350 LF2 Round Bar
Low-temperature carbon steel grade for forged pressure components.
Ask PriceA36 Round Bar
Widely used carbon steel bar for construction and fabrication work.
Ask PriceA694 F42 Round Bar
Used for high-pressure flanges, fittings and pipeline components.
Ask PriceA694 F46 Round Bar
Carbon steel bar for pressure components and oil & gas systems.
Ask PriceA694 F48 Round Bar
Suitable for forged fittings, flanges and demanding pressure parts.
Ask PriceA694 F50 Round Bar
High-strength bar for pipeline flanges and industrial fittings.
Ask PriceA694 F52 Round Bar
Used in high-pressure pipeline and oil & gas component applications.
Ask PriceA694 F56 Round Bar
Selected for stronger forged fittings and pressure equipment parts.
Ask PriceA694 F60 Round Bar
Designed for demanding high-pressure and pipeline component service.
Ask PriceA694 F65 Round Bar
Premium high-strength grade for critical flanges and pressure parts.
Ask PriceAISI 1018 Round Bar
Machinable low carbon steel bar for shafts, pins and components.
Ask PriceAISI 1045 Round Bar
Medium carbon steel bar for shafts, gears, axles and wear parts.
Ask PriceS335J2 Round Bar
Structural carbon steel bar for fabrication and engineering projects.
Ask PriceS335JO Round Bar
Structural grade round bar for construction and industrial fabrication.
Ask PriceApplications of Carbon Steel Round Bars
Carbon Steel Round Bars are selected for strength, machinability, forging performance, cost-effective supply and reliable use across industrial applications.
Shafts & Machined Parts
Used for shafts, pins, rollers, bushings and general machined components.
Flanges & Fittings
Suitable for forged flanges, fittings, valves and pressure-related components.
Fasteners & Hardware
Used for bolts, studs, nuts, tie rods and threaded components.
Structural Fabrication
Applied in frames, supports, machinery bases and general fabrication projects.
Industries We Serve
SteelNix supports project buyers, stockists, OEMs, fabricators, machining shops, flange manufacturers and maintenance teams with Carbon Steel Round Bars.
Oil & Gas
Flanges, fittings, pressure parts, pipeline components and forged products.
Engineering
Machined components, shafts, pins, machinery parts and industrial equipment.
Construction
Structural supports, fabricated sections, rods and general steel components.
Manufacturing
Fasteners, tooling, hardware, automotive components and plant maintenance parts.
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 Carbon Steel Round Bars.
PMI Testing
Positive Material Identification can be arranged where required by the buyer.
Mechanical Testing
Tensile, hardness and related 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 Carbon Steel Round Bars from SteelNix.
Which Carbon Steel Round Bar grades does SteelNix supply?
SteelNix supplies 275 JR, A105, A350 LF2, A36, A694 F42, F46, F48, F50, F52, F56, F60, F65, AISI 1018, AISI 1045, S335J2 and S335JO round bars.
What are Carbon Steel Round Bars used for?
Carbon Steel Round Bars are used for shafts, fasteners, flanges, forged fittings, valves, pins, machinery parts, structural components and general engineering applications.
What is the difference between AISI 1018 and AISI 1045 round bars?
AISI 1018 is a low carbon steel grade with good machinability and weldability. AISI 1045 is a medium carbon steel grade with better strength and hardness potential for shafts, gears and wear parts.
Which carbon steel round bar grade is used for flanges?
A105 and A694 grades are commonly used for flanges, fittings and pressure-related forged components. Final selection should follow the project specification.
Which grade is suitable for low-temperature service?
A350 LF2 round bar is commonly used for low-temperature forged pressure components. Final suitability depends on the required standard, test condition and project specification.
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 Carbon Steel Round Bars?
To receive a quotation, share the grade, diameter, length, quantity, finish, standard, delivery location and any inspection or documentation requirement.
Need Carbon 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.