Quick Answer
The compute proof load from proof strength and tensile stress area computes proof load from the input values you provide.
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Explore ToolFusionResult Interpretation
Compute proof load from proof strength and tensile stress area computes Proof load in N using the defined engineering formula and the input values provided. Proof load is expressed in N. No universal acceptance threshold is defined by this calculator.
Worked Example
M8_8.8
Given:
- Bolt property class = 8.8
- Nominal bolt diameter = 8
Expected Result:
- Proof load = 23424
Engineering Interpretation:
Under the given input conditions, the calculated result is: Proof load = 23424 N.
The values shown here come from a persisted test case that has not been deterministically revalidated. Enter the inputs and click Calculate for the authoritative engine-computed result.
Formula / Method
proof load = ISO 898-1 * ISO 261Proof load.
Variables
| Symbol | Label | Role | Description |
|---|---|---|---|
| bolt_grade | Bolt property class | INPUT | Bolt property class |
| nominal_diameter | Nominal bolt diameter | INPUT | Nominal bolt diameter |
| proof_strength | Proof strength (ISO 898-1) | INPUT | Proof strength (ISO 898-1) |
| tensile_stress_area | Tensile stress area (ISO 261) | INPUT | Tensile stress area (ISO 261) |
| proof_load | Proof load | OUTPUT | Proof load |
Calculation Steps
- Enter the bolt property class.
- Enter the nominal bolt diameter in mm.
- Enter the proof strength (iso 898-1) in MPa.
- Enter the tensile stress area (iso 261) in mm².
- Read the proof load (N) from the results.
Frequently Asked Questions
What does this calculator calculate?
The Compute proof load from proof strength and tensile stress area estimates Proof load based on the input parameters you provide
Why is nominal bolt diameter important in this calculation?
nominal bolt diameter is used directly in the calculation of proof load. Its effect on the result depends on the complete formula and the values of the other inputs.. When you enter nominal bolt diameter in mm, the calculator uses it in the engineering formula to compute the output
How should I interpret the result proof load?
The calculator outputs proof load in N. For larger forces, you can divide by 1000 to express the result in kN. The result is computed directly from the input values using the defined engineering formula
What units should I use for the inputs?
Enter each value in the units shown next to the input field: Nominal bolt diameter (mm), Proof strength (ISO 898-1) (MPa), Tensile stress area (ISO 261) (mm²). Make sure all inputs use the specified units for consistent results
What assumptions does this calculator use?
This calculator uses automatically validated engineering formulas. Results are approximate and should be validated against site-specific conditions, applicable codes, and professional engineering judgment
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