Weld Size Calculator
Calculate the shear capacity and throat thickness of a fillet weld based on leg size, length, and electrode strength.
How to Use the Weld Size Calculator
- Enter the weld leg size in mm.
- Enter the weld length in mm.
- Enter the electrode tensile strength in MPa.
- Click Calculate to see weld capacity and throat thickness.
使用场景
- •Checking weld capacity in structural steel connections.
- •Sizing fillet welds for bracket and plate connections.
- •Comparing weld sizes for fabrication efficiency.
- •Welding procedure documentation.
公式
Throat = 0.707 × a. Capacity = 0.707 × a × L × Fw (in kN).
常见问题
What is the weld throat?
The effective throat of a fillet weld is 0.707 × leg size, representing the minimum cross-sectional dimension of the weld.
What electrode strength is typical?
E70XX electrodes have Fw = 480 MPa and are the most common for structural steel welding.
Is it free?
Yes, all calculators on OhMyCalc are completely free.