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Sheet Metal Gauge Chart Guide And How to Customize Your Own Metal Part Online

Sheet metal is a versatile and widely used material in various industries, known for its durability, strength, and adaptability. Whether you’re a professional fabricator or a DIY enthusiast, having a solid understanding of sheet metal gauge and the ability to customize your own metal parts online can be a game-changer. In this article, we will delve into the world of sheet metal, explore the sheet metal gauge chart, and guide you on how to design and customize your metal parts through online tools and services.

Understanding Sheet Metal Gauge

Sheet metal is available in various thicknesses, which are measured using a unit called “gauge.” The sheet metal gauge represents the thickness of the metal, and the higher the gauge number, the thinner the sheet. Understanding the sheet metal gauge system is essential when working with sheet metal, as it directly impacts the material’s strength, rigidity, and suitability for different applications.

The Sheet Metal Gauge Chart

Sheet metal gauge is typically expressed as a numerical value, and each gauge corresponds to a specific thickness in inches or millimeters. Here’s a brief overview of the common sheet metal gauges:

  1. 30-gauge – 0.012 inches (0.31 mm)
  2. 28-gauge – 0.015 inches (0.38 mm)
  3. 26-gauge – 0.018 inches (0.46 mm)
  4. 24-gauge – 0.024 inches (0.61 mm)
  5. 22-gauge – 0.030 inches (0.76 mm)
  6. 20-gauge – 0.036 inches (0.91 mm)
  7. 18-gauge – 0.048 inches (1.22 mm)
  8. 16-gauge – 0.060 inches (1.52 mm)
  9. 14-gauge – 0.075 inches (1.91 mm)
  10. 12-gauge – 0.105 inches (2.67 mm)

Customizing Your Metal Part Online

The convenience of the internet has made it easier than ever to design and customize your own metal parts. Online tools and services have emerged to facilitate the process, whether you’re working on a home improvement project or manufacturing custom metal components for your business. Here’s a step-by-step guide on how to create and customize metal parts online:

  1. Choose a Reliable Online Service: Select a reputable online metal fabrication service or CAD (Computer-Aided Design) software that suits your needs. Some well-known options include eMachineShop, Protolabs, and Xometry.
  2. Design Your Part: Use the online tools or software to create a precise design of your metal part. You can often upload your design in various file formats, such as DXF, DWG, or STL.
  3. Select Material and Gauge: Specify the type of sheet metal you need, along with the desired gauge. Consider the application and structural requirements of your project to make an informed choice.
  4. Customization Options: Many online services offer a range of customization options, including finishes, hole placements, bends, and more. Tailor your design to your specific requirements.
  5. Price Estimation: Most online services provide real-time price estimates, allowing you to adjust your design or materials to meet your budget.
  6. Place Your Order: Once you are satisfied with your design and pricing, place your order through the online service. They will process your request and manufacture the part to your specifications.
  7. Receive Your Custom Metal Part: The completed metal part will be shipped to your specified address. Make sure to inspect the part for quality and accuracy upon receipt.


Sheet metal is a versatile material used in countless applications, and understanding sheet metal gauge is crucial for working with it effectively. The convenience of online customization tools and services has opened up new possibilities for creating custom metal parts to meet your specific needs. Whether you’re a professional fabricator or a DIY enthusiast, harnessing the power of online metal fabrication services can help you bring your projects to life with precision and efficiency. So, dive into the world of sheet metal, explore your creativity, and craft metal parts uniquely tailored to your requirements.

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