Gusset Plates

Gusset plates are thick sheets of steel used to retrofit structures together and strengthen joints.  It’s applied by welding, bolting, or riveting onto truss members or columns.   


Certified to ASTM A-36, ASTM A-572-50, A-1011, and A-786.


Used to connect beams, truss members, and columns together.


Welding, cutting, and machining (holes or slots).

Available Stock Sizes

Sizes varies

Custom Specifications

Additional Items

Price response time 4-6 hours

Steel Products

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Introduction to Gusset Plates

At California Steel Services, we provide high-quality steel products catering to various construction and engineering needs. Our gusset plates stand out for their exceptional strength, durability, and versatility among our extensive product lineup. Gussets are crucial components in the construction industry, used to connect structural elements and reinforce joints. These thick sheets of gusset steel are essential for retrofitting structures together, ensuring the stability and longevity of buildings and other constructions.

The Role of Gusset Plates in Construction

Gusset plates are crucial for the structural integrity of various constructions. They are commonly applied by welding, bolting, or riveting onto truss members or columns, providing crucial support and reinforcement. The primary function of gussets is to strengthen joints, making them indispensable in constructing bridges, towers, buildings, and other structures requiring robust connections. For trusses projects, gusset plates are essential, offering reliable support and stability. For more detailed information on the role of gussets in structural engineering, you can visit the American Institute of Steel Construction (AISC).

Customizable Gussets for Every Need

Each construction project has unique specs and requirements. We utilize advanced plasma cutting to manufacture our gusset plates precisely and efficiently. We offer standard and custom-made gusset steel plates to meet your needs. Our custom gussets are crafted precisely to fit perfectly into your project specifications. Whether you need a particular size, shape, or thickness, our expert team will deliver high-quality solutions tailored to your requirements.

Here are some of the custom specifications we offer:

  • Thickness: Various options to suit different structural needs
  • Shapes and Sizes: Tailored to your project’s design and load-bearing requirements
  • Materials: Certified to ASTM standards for optimal performance

Properties of Our Gusset Steel

Our gusset steel plates are manufactured from premium gusset steel and certified to meet industry standards, including:

  • ASTM A-36: Known for its excellent strength and versatility
  • ASTM A-572-50: Provides enhanced strength and resistance to stress
  • ASTM A-1011: Offers superior formability and durability
  • ASTM A-786: Ensures robust performance and reliability

Applications of Gussets

Gusset plates are versatile and have applications in various construction and engineering projects. Some of the most common uses include:

  • Connecting Beams: Gusset steel plates connect beams, providing crucial support and stability in building frameworks.
  • Reinforcing Truss Members: Truss gusset plates are essential for connecting truss members, ensuring that the structure can bear significant loads.
  • Strengthening Columns: Steel gussets reinforce columns, enhancing their load-bearing capacity and structural integrity.

Workability of Gusset Plates

Our metal gusset plates are designed for excellent workability, allowing easy welding, cutting, and machining. Whether you need to create holes or slots, our productions offer the flexibility required for various fabrication methods, ensuring the installation process is smooth and efficient, saving you time and effort on the job site.

Advantages of Choosing California Steel Services

When you choose California Steel Services for your gusset plates, you are partnering with a trusted provider committed to excellence. Here are some of the key benefits of working with us:

  1. Expertise and Experience: With 40 years of experience in the steel fabrication industry, our team possesses unparalleled knowledge and skills. We provide solutions that exceed industry standards.
  2. Customization and Flexibility: Our ability to customize metal gussets to your exact specifications ensures that you get the perfect product for your needs.
  3. High-Quality Materials: We use only the best materials, certified to ASTM standards, to manufacture our gusset plates, guaranteeing exceptional strength and durability.
  4. Competitive Pricing: We offer premium products that are very competitive.
  5. Customer Support: We provide ongoing support and assistance during pre-production, production, and delivery to ensure your project’s success.

Why ASTM Certified Materials?

Using ASTM-certified materials ensures that our gusset plates meet stringent quality and performance standards. ASTM certification assures that the materials used in our steel gusset plates are reliable, durable, and capable of withstanding the demands of various construction applications. This certification is a testament to our commitment to delivering the highest quality products.

Current Specials and Offerings 

Visit us today or give us a call at (800) 323-7227 to learn more about our current specials and offerings.

Contact Us

Ready to get started? Fill out the “Request Quote” form below with your project specifications, and you will receive a customized quote the same day within 4-6 hours. Our team is here to assist you with all your steel fabrication needs.


FAQ about Gusset Plates

What are gusset plates used for?

Gusset plates are used to connect beams, truss members, and columns in various construction and engineering applications. They provide critical support and reinforcement to structural joints, ensuring the longevity and stability of the structures.

What materials are your gusset plates made from?

We produce gusset plates from high-quality materials certified to ASTM standards, including ASTM A-36, ASTM A-572-50, ASTM A-1011, and ASTM A-786. These materials are known for their strength, durability, and versatility.

Can you customize gusset plates to specific project requirements?

Yes. California Steel Services offers customizable gusset plates to meet your specific project requirements. Whether you need a particular size, shape, thickness, or material, our expert team can craft gussets to your precise specifications.

How are gussets installed?

Gussets can be installed by welding, bolting, or riveting onto truss members or columns.

What are the benefits of using ASTM-certified gussets?

Using ASTM-certified gussets ensures the materials meet stringent quality and performance standards.

What are the standard sizes available?

We offer a range of standard gusset sizes from 3 inches to 10 inches in width and length, and we can also customize dimensions to meet your project needs. Our gusset plates come in various thicknesses, shapes, and sizes to suit different structural requirements.

How can I get a quote for custom gussets?

To get a quote for custom gusset plates, fill out the “Request Quote” form below with your specific requirements. Our team will work with you to provide a customized quote based on your project specifications the same day, within 4 to 6 hours.

Why should I choose California Steel Services?

California Steel Services is a trusted provider of high-quality steel products with 40 years of experience in the industry. We offer customizable solutions, use premium materials, provide competitive pricing, and deliver exceptional customer support to ensure your project’s success.

What is the difference between metal gussets and steel gussets?

Metal gussets are plates made from various metals, including steel, aluminum, or other alloys. Steel gussets specifically refer to gusset plates made from steel.

What is the difference between a truss gusset plate and a general gusset plate?

A truss gusset plate connects truss members, the framework components used in bridges, roofs, and towers. These plates ensure the truss can bear loads and maintain structural integrity. A general gusset plate, however, can reinforce various structural joints, including connections between beams, columns, and other components. While all truss gusset plates are gusset plates, not all gusset plates are used in trusses.

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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