Flat bars are commonly utilized in construction and manufacturing, offering versatile solutions for various applications. Steel flat bars come in ASTM A569 for thicknesses from 1/16 to 3/16 and A36 for thicknesses of 1/4 and over, each with specific finish options. A36 flat bars are renowned for their excellent welding properties and have a yield point of 36,000 psi with a Brinell Hardness of 133. Different stock sizes are available, and customization options allow for tailored lengths and widths to suit specific needs. Understanding the distinct specifications and finish options of flat bars is essential for selecting the right one for the intended use.
Key Takeaways
- Flat bars come in ASTM A569 for 1/16 to 3/16 thicknesses and A36 for 1/4 and over.
- A36 flat bars have a grainy mill finish, while A569 flat bars offer a smooth finish.
- Both types of flat bars have excellent welding properties.
- A36 flat bars have a yield point of 36,000 psi and a Brinell Hardness of 133.
- Common stock lengths for flat bars range from 2ft to 20ft with various customization options available.
Steel Flat Bar Specifications
Steel flat bar specifications outline the precise dimensions and material composition required for manufacturing or utilizing steel flat bars in various applications. Steel flat bars are available in ASTM A569 for thicknesses ranging from 1/16 to 3/16, and A36 for thicknesses of 1/4 and over. A569 flat bars exhibit a smooth finish, while A36 flat bars have a slightly grainy mill finish. The A36 steel flat bars are known for their excellent welding properties, good machining and bending capabilities, fair wear resistance, and poor corrosion resistance. With a yield point of 36,000 psi, tensile strength ranging from 48,000 to 80,000 psi, and a Brinell Hardness of 133, A36 flat bars are versatile for various structural applications.
Flat Bar Finish Options
When considering flat bar finish options, manufacturers and users often prioritize aspects such as surface texture and appearance to meet specific application requirements. Steel flat bars, such as ASTM A569 and A36, present different finish options. ASTM A569 flat bars typically feature a smooth finish, while A36 flat bars may have a slightly grainy mill finish. A36 flat bars are known for their excellent welding characteristics, good machining, and bending properties. These bars have a yield point of 36,000 psi and a tensile strength ranging from 48,000 to 80,000 psi. Common sizes for flat bars include 4ft, 6ft, 8ft, 10ft, and 20ft, with customization options available for cut-to-size orders. Stock lengths can vary by up to +/- 1/4 inch.
Key Characteristics of Flat Bars
What fundamental attributes distinguish flat bars in the ASTM A569 and A36 specifications? Aluminum Flat Bar is known for its versatility and durability, making it a popular choice in various industries. The ASTM A569 specification offers a smooth finish, while the A36 specification provides a slightly grainy mill finish. Both types exhibit excellent welding properties, good machining capabilities, and are easily bendable and formable. A36 flat bars specifically have a yield point of 36,000 psi, a tensile strength ranging from 48,000 to 80,000 psi, and a Brinell hardness of 133. With common stock lengths ranging from 2ft to 20ft and options for customization, flat bars are widely used in construction, manufacturing, and other applications.
A36 Mechanical Properties Overview
An examination of the mechanical properties of A36 illuminates its strength, durability, and versatility in various applications. A36, classified as hot rolled steel, showcases a yield point of 36,000 psi, with a tensile strength ranging from 48,000 to 80,000 psi. Its notable elongation of 23% in a 2-inch sample underscores its ductility, while a Brinell hardness of 133 signifies its strength and durability. With a high melting point of 2600°F, A36 steel demonstrates resilience to elevated temperatures, further enhancing its suitability for diverse structural uses. Additionally, A36 steel's excellent welding properties make it a preferred choice for welding operations, solidifying its position as a reliable material for construction and manufacturing endeavors.
Stock Sizes Available for Flat Bars
Stock sizes for flat bars offer a range of lengths and widths to accommodate diverse project specifications and fabrication requirements. These flat bars typically range from 2ft to 20ft in length, with customization options available for custom cut pieces. Common widths include 0.1875 in, 0.25 in, 0.5 in, 0.75 in, and 0.750 in, catering to various project needs. Thickness options range from 0.0625 in to 0.125 in, providing flexibility for different structural and fabrication requirements. For example, Everbilt offers flat bars such as the 3 in. x 36 in. Plain Steel Flat Bar and the 2 in. x 96 in. Aluminum Flat Bar with 1/8 in. thickness in their product lineup. Home Depot also carries a variety of flat bar options in materials like steel and aluminum, suitable for both interior and exterior applications.
How to Measure Flat Bars
To accurately determine the dimensions of a flat bar, one must measure the thickness by evaluating the distance between its two flat surfaces. Additionally, measuring the width involves finding the distance between the two opposite edges. Using tools like calipers or rulers guarantees precise measurements, important for cutting or fitting flat bars in various projects. Understanding how to measure flat bars is essential for selecting the right size for specific applications. Furthermore, considering factors like corrosion resistance is important when choosing flat bars for projects where exposure to moisture or harsh environments is a concern. Proper measurements guarantee the accurate selection and utilization of flat bars, ensuring the success and longevity of the project.
Metal Stock Options at The Home Depot
Offering a diverse selection of metal stock options, The Home Depot provides customers with a range of choices including steel and aluminum flat bars for various project needs. The steel flat bars come in different sizes and materials, catering to a wide array of projects. On the other hand, aluminum flat bars are known for being lightweight, strong, and environmentally friendly. The Home Depot also offers custom cutting services for metal flat bars, ensuring specific tolerances are met. It is important to note that stock availability may vary, with convenient options for pickup or delivery at The Home Depot. Customers can rely on The Home Depot for their metal stock needs, including a variety of flat bar options to suit different project requirements.
Leading Brands for Flat Bars
Steelworks and Hillman are two prominent brands recognized for their extensive selection of high-quality flat bar options. Steelworks stands out for its interior/exterior mill finished aluminum solid bars, offering durability and a sleek finish. On the other hand, Hillman specializes in zinc-plated steel perforated and slotted metal flat bars, providing robust options for various applications. Both brands cater to diverse project needs by offering a wide range of sizes and materials, with prices ranging from $0.23 to $0.98. Steel flat bars from Steelworks and Hillman are known for their weldable nature and versatility, making them ideal for construction and DIY projects. Additionally, Steelworks' aluminum flat bars are favored for being lightweight, strong, and environmentally friendly, offering a sustainable option for consumers.
Frequently Asked Questions
What Is the Flat Bar?
A flat bar is a versatile metal bar with a flat surface and rectangular cross-section, commonly made from materials like hot rolled steel or aluminum. It is utilized in construction, fabrication, and manufacturing for structural support and other applications.
What Are the Sizes of Flat Bar?
Flat bars come in various sizes to accommodate different project needs. Common widths include 0.1875, 0.25, 0.5, and 0.75 inches, with lengths ranging from 2ft to 20ft. Stock lengths may vary by up to +/- 1/4 inch, offering versatility for specific applications.
What Is the Strength of a Flat Bar?
Strength of a flat bar can vary based on material, thickness, and width. A36 steel, commonly used, has a yield point of 36,000 psi and tensile strength of 48-80,000 psi. Consider load requirements, support needs, and material properties when selecting.
What Are the Different Types of Flat Bars?
A variety of flat bars are available, including solid, perforated, and metal options in materials like steel and aluminum. Steel bars are valued for weldability and versatility, while aluminum bars are noted for being lightweight and robust.
