High Carbon Steel Round Bar | Ground Stock & Supply

High-Carbon Steel Round Bar Stock: High-carbon steel round bar describes a family of carbon-rich grades that can offer wear resistance and hardening response after appropriate processing. The grade, carbon limits and product condition must be specified.

Download Mozaic High-Carbon Steel Round Bar Stock technical reference sheet (PDF)

High-Carbon Steel Round Bar Stock — Grade and Specifications

Identification, product standards and ordering information
Requirement	Technical / purchase-order detail
Material / product	High-Carbon Steel Round Bar Stock
Alloy or grade identity	High-carbon steel family; SAE/AISI grade required
Applicable purchasing standard	ASTM A29/A29M or ordered tool/bearing grade standard
Supply condition	Specify annealed, normalized, hardened, or tempered condition
Typical uses	Tooling, springs, wear rollers and specialty machined parts
Dimensional processing	Define diameter, finish, tolerance, bar straightness and cutting requirements separately

This reference page does not constitute a mill test report or a guarantee of available stock. Mechanical properties, chemistry and certifications depend on the actual ordered alloy, condition and product standard.

Applications and Grade-Selection Guidance

High-carbon is a family term, not a substitute for a specific alloy such as 52100 bearing steel. Representative applications include tooling, springs, wear rollers and specialty machined parts. Product purchasing should identify the alloy family or exact UNS designation and the conditions of service. Grade substitutions require engineering approval; a similar grade name does not demonstrate equivalent performance.

Round Bar Processing and Precision Finishing

Mozaic Precision Metals offers order-specific centerless grinding, straightening, saw cutting, polishing, chamfering and packaging. Buyers should specify finished outside diameter, diameter tolerance, length, surface finish, material condition, inspection and lot traceability independently. Actual grinding capability depends on the bar dimensions, alloy and heat-treatment state.

Related Grades and Material Guides

52100 steel — related grade or more specific sourcing information
1045 carbon steel — related grade or more specific sourcing information

Request Material Sourcing or Grinding

Send your grade/product drawing, material standard, supplied condition, starting/finished sizes, tolerance, quantity and certifications to sales@mozaicprecision.com, call 847-637-8379 or request a quotation.

Long-Lasting Carbon Steel Round Bar Stock

Carbon steel’s most notable quality is its long-term durability. Thanks to its strength and shock resistance, it is a trusted choice for demanding building projects. Structures made with steel offer greater resilience against natural forces such as earthquakes and tornadoes compared to those built with wood or concrete.

Common Types and Grades of Carbon Steel Round Bar Stock

Carbon steels are classified into four main categories: low, medium, high, and very high carbon. As carbon content increases, the steel becomes harder to manufacture but delivers higher strength.

Low or Mild Carbon Steels

Containing 0.05–0.25% carbon and 0.40–0.45% manganese, mild carbon steel is cost-effective, pliable, and easy to form. Carburizing can significantly increase its surface hardness.

Medium Carbon Steels

With manganese content ranging from 0.60–1.65%, medium carbon steel offers ductility, strength, and wear resistance, making it suitable for a wide variety of uses.

High Carbon Steels

High carbon steel contains 0.55–0.95% carbon and 0.30–0.90% manganese. Known for robustness and shape retention, it is commonly used in springs, wires, and other high-strength applications.

Very High Carbon Steels

With carbon content between 0.96–2.0%, very high carbon steel is extremely strong but also brittle, requiring careful handling in specialized applications.

The higher the carbon content, the more difficult the steel is to machine or form. For general manufacturing, low-carbon steels are often preferred, while higher-carbon steels are chosen for strength-critical uses.

Choose Mozaic Precision Metals for Carbon Steel Round Bar Stock

At Mozaic Precision Metals, we specialize in supplying precision-ground carbon steel bars tailored to exact project requirements. Our focus is on delivering superior quality, consistency, and service at every stage. From raw material to finished product, our processes are designed to exceed customer expectations.

We are dedicated to building long-term partnerships by providing reliable solutions, exceptional finishes, and responsive service. If you are looking for carbon steel round bar stock that combines performance with precision, request a custom quote from Mozaic Precision Metals today.

High-Carbon Steel Round Bar Stock