Steel Flat Bars

At California Steel Services, we offer premium steel flat bars, also known as flat bar steel, made from ASTM A-36 steel. Our steel bars are less than 13″ wide, making them perfect for a wide range of applications.

California Steel Services is one of the leading suppliers of steel flat bars in the Western United States and has been known for superior quality products for years. Our flat bars are a favorite among businesses in the construction, automobile, and many other industries. We’re known for our exceptional products, wide range of services, and competitive prices. Whether you’re a commercial enterprise or a DIY enthusiast, we’ve got you covered.

Custom Specifications

Additional Items

Price response time 4-6 hours

Steel Products

Click through the library and request a quick quote for your custom order

Versatility and Customization

Our metal bars are available in various sizes, grades, and finishes to suit all your needs. We've got the infrastructure to handle everything from large, complex jobs to small, custom orders. Plus, our fast-turnaround cutting service means we can cut your flat bars to order and dispatch them quickly. If we don't stock exactly what you're after, we'll make it happen just for you.

Reliable and Efficient Service

Whether you need large quantities or just a few flat metal bars, California Steel Services can fulfill your order promptly and professionally. We operate from a massive 7-acre facility with a 78,000 sq. ft. warehouse, recently expanded with a new 87,493 sq. ft. warehouse equipped with state-of-the-art equipment to meet the growing demand.

Uses of Steel Flat Bars

Our flat bar steel is incredibly versatile and is used in various applications, including:

  • Engineering Construction: Perfect for creating sturdy frameworks and supports.
  • Residential Construction: Ideal for building homes and residential structures.
  • Non-Residential Construction: Great for commercial buildings and infrastructure projects.
  • Mining Infrastructure: Used in the construction of mining facilities and equipment.
  • Transport and Storage: Essential for transportation and storage solutions.

Get Your Steel Bars from California Steel Services

Ready to get started? Request a quote or contact California Steel Services for high-quality hot-rolled steel flat bars today. We're here to help you find what you need.


What are steel flat bars used for?

Steel flat bars are incredibly versatile and are used in various applications, including engineering construction, residential and non-residential construction, mining infrastructure, transport and storage, and manufacturing. They are perfect for creating sturdy frameworks, building homes, commercial structures, mining facilities, transportation solutions, and more.

What materials are your steel flat bars made from?

Our steel flat bars are made from ASTM A-36 steel, known for its excellent strength and versatility. This ensures that our flat bars are durable and reliable for various applications.

Can I get custom sizes for my steel flat bars?

Yes! California Steel Services offers a fast-turnaround cutting service to provide custom sizes for your steel flat bars. If we don't stock exactly what you're looking for, we can cut your flat bar to order and dispatch it to you quickly.

Do you handle both large and small orders?

Absolutely! Whether you need large quantities or just a few steel flat bars, California Steel Services has the infrastructure and expertise to handle orders of all sizes. We cater to both commercial and domestic customers.

How quickly can I get my order?

We pride ourselves on our fast turnaround service. Our extensive stock and cutting capabilities allow us to fulfill orders quickly and efficiently. Contact us with your specific requirements, and we'll estimate delivery time.

Why should I choose California Steel Services for my steel flat bars?

California Steel Services is known for its superior quality products, competitive prices, and exceptional customer service. We have years of experience supplying steel flat bars to various industries and are equipped with state-of-the-art facilities to meet all your needs.

How can I get a quote for steel flat bars?

To get a quote, contact California Steel Services with your specific requirements. Our team will work with you to provide a customized quote based on your specifications.

Ready to get started? Let's work together.


About Us

California Steel Services was established in 1983. Over the years, the company has developed a great reputation and recognition within the steel industry for its services and product qualities. California Steel Services is operating from a 6.5-acre facility entailing a 85,000 sq. ft warehouse with state of the art equipment.


California Steel Services
1212 S Mountain View Ave
San Bernardino, CA 92408

P:  (800) 323-7227
F:  (909) 796-8888