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Bending Process Calculator

Here we provide some calculators for the metal bending process, hoping they will be helpful to you!

Weight Calculator in Kg

Steel Sheet/Plate | Seamless Steel Pipes | Square Hollow Section | Aluminum and SUS Sheet | Rectangular Tube | Square Steel Bar | Round Steel Bars | Flat Steel Bars | Equal Angle | Unequal Angles | GOST U-Channels | UPN U-Channels | IPN Beams | IPE Beams | HEA Beams | HEB Beams | HEM Beams

The metal section bending minimum radius refers to the smallest radius that a metal section can be bent without causing damage or deformation to the material. It indicates the tightest curve that can be achieved during the bending process without compromising the structural integrity of the metal.

Influence of Metal Profile Size and Yield Strength on Bending Radius

In the realm of metal fabrication, achieving precision and durability requires a delicate balance of various factors. Among these factors, dimensions, yield strength, and bending radius play pivotal roles in determining the structural integrity and functionality of metal sections. Understanding the interplay between these elements is essential for fabricators seeking to produce high-quality components that meet stringent performance requirements.

Bending Radius

The bending radius of metal profiles is profoundly influenced by two key factors: the size of the metal profile and its yield strength. Understanding the interplay between these factors is crucial for achieving optimal bending results in metal fabrication processes.

The bending radius plays a crucial role in shaping metal sections during fabrication processes such as bending, rolling, and forming. It refers to the minimum radius at which a metal section can be bent without causing undue stress or deformation. Choosing the appropriate bending radius is essential for preventing cracking, wrinkling, or other defects in the material. Factors such as material thickness, yield strength, and tooling capabilities must be carefully considered when determining the optimal bending radius for a given application.

Metal Profile Size

The size of a metal profile, including its thickness and overall dimensions, significantly impacts the bending radius required to form it successfully. Larger metal profiles typically necessitate larger bending radii to prevent excessive deformation, wrinkling, or cracking during the bending process. This is because larger profiles have greater material volume and surface area, resulting in higher resistance to bending forces. Conversely, smaller metal profiles may accommodate tighter bending radii due to their reduced material volume and surface area. Fabricators must carefully assess the size of the metal profile when determining the appropriate bending radius to ensure the integrity and dimensional accuracy of the final product.

Yield Strength

Yield strength is a fundamental mechanical property of metal that dictates its ability to withstand applied loads without undergoing plastic deformation. The yield strength of a metal profile directly influences the bending radius required to achieve the desired bend without exceeding the material’s elastic limit. Higher yield strength materials typically require larger bending radii to prevent the onset of plastic deformation and avoid defects such as cracking or distortion. Conversely, materials with lower yield strengths may tolerate tighter bending radii due to their increased ductility and ability to undergo greater deformation before yielding. Fabricators must carefully consider the yield strength of the metal profile when selecting the appropriate bending parameters to ensure the integrity and structural performance of the bent component.


In conclusion, the size of metal profiles and their yield strength are critical factors that profoundly affect the bending radius required in metal fabrication processes. Fabricators must carefully assess these factors to determine the optimal bending parameters for achieving precise and defect-free bends.