Product Introduction

ASTM A36 Carbon Steel Round Bar is a widely utilized mild structural steel prized for its balanced mechanical properties and cost-effectiveness. As a low-carbon alloy, it contains less than 0.3% carbon, making it exceptionally easy to weld, machine, and form ASTM Steel. Its name originates from its minimum yield strength of 36,000 psi (36 ksi), which provides sufficient durability for critical structural frameworks Ryerson.

Commonly produced via hot rolling, these bars feature a characteristic blue-grey, slightly rough surface finish Coremark Metals. While A36 lacks the natural corrosion resistance of stainless steel, it readily accepts galvanization or protective coatings to enhance its lifespan in outdoor environments Online Metals. Its versatility makes it the "workhorse" of the industry, found in everything from bridges and buildings to automotive components and general fabrication projects. Whether used for shafts, railings, or structural supports, A36 round bars offer a reliable, economical solution for diverse engineering challenges.

About Us

Zhongxi (Shandong) Metal Technology Co., Ltd. is a professional steel manufacturing enterprise integrating R&D, production, sales, and service. The factory boasts advanced production equipment and an intelligent management system, with an annual export volume exceeding 300,000 tons. With high-quality products and excellent customer service, our sales network covers numerous countries and regions in the United States, Europe, Southeast Asia, the Middle East, Africa, and South America.

Our main products include carbon steel (carbon steel coils, carbon steel plates, carbon steel pipes, carbon steel wire), structural steel (angle steel, channel steel, I-beams, H-beams, round steel, flat steel, square steel, hexagonal steel), stainless steel (stainless steel coils, stainless steel plates, stainless steel pipes), galvanized steel (galvanized coils, galvanized plates, galvanized pipes), PPGI, PPGL, billets, reinforcing bars, tinplate, and other products.

Adhering to the principle of "Quality First, Reputation Supreme," we are committed to providing customers with high-quality and sufficient products. If you are interested in our products or wish to discuss custom orders, please feel free to contact us. We look forward to establishing successful business relationships with new customers around the world in the near future.

Advantages of A36 Carbon Steel Round Bar

1. Cost-Effective: A36 steel is inexpensive compared to other steel grades with similar properties, making it a practical and economical choice for a vast range of projects.

2. Superior Weldability: Its low carbon content (less than 0.3%) makes it highly weldable using all standard techniques (SMAW, GMAW, etc.), generally without the need for complex preheating or post-weld treatments.

3. High Machinability and Formability: With a machinability rating of 72% (based on AISI 1212 steel at 100%), A36 is easy to cut, drill, punch, tap, and machine, reducing labor costs and fabrication time. It is also highly formable and ductile, allowing for bending and shaping without cracking.

4. Good Strength and Durability: A36 offers reliable structural integrity with a minimum yield strength of 36,000 psi (36 ksi), sufficient for numerous load-bearing structural applications in buildings, bridges, and machinery.

5. Versatility and Wide Availability: It is the most commonly used structural steel grade in the United States and is widely available in various forms and sizes, including round bars, angles, and plates, which ensures easy sourcing for diverse applications.

6. Adaptable to Enhancements: While it doesn't have inherent corrosion resistance, it readily accepts protective coatings, such as paint or galvanization, for improved performance in outdoor or harsh environments.

We have our own Physical & Chemical Testing Center Lab to guarantee our product quality. Our test items & instrument fully meet international standards.

Application of A36 Carbon Round Steel Bar

1. Structural Construction: Widely used for building frames, bridge components, and supporting structures.

2. Manufacturing and Fabrication: Utilized in machinery parts, gear components, sprockets, and base plates.

3. General Fabrication & DIY: Ideal for creating brackets, supports, custom, and various structural projects due to its ease of machining and cutting.

4. Industrial Uses: Employed in tanks, conveyors, and tool-making.

5. Automotive & Marine: Used in the fabrication of various automotive and machinery components.

6. Decorative/Structural Arts: Used in sculpture, furniture frames, and ornamental ironwork.

Contact Us

As a leading company, Zhongxi Metal is known for our excellent product quality and professional services, providing our customers with a reliable partner. We have a global sales network that can meet the needs of customers in different countries and regions.If you need more information about us or have any other needs, please feel free to contact us. We look forward to working with you to create a better future.