Accurately determine the Thread Tensile Stress Area (As) for threaded fasteners. This crucial engineering parameter represents the effective cross-sectional area of a bolt under tensile load, directly influencing its strength and load-bearing capacity. Use our free calculator to ensure safe and reliable bolted joint designs, preventing premature failure due to incorrect stress assessments.
Formula:
The Thread Tensile Stress Area (As) is calculated using the following formula, based on the pitch and minor diameters:
As = (Ο / 4) × ((dp + dm) / 2)2
- As = Thread Tensile Stress Area (in mm2 or in2)
- Ο = Pi (approximately 3.14159)
- dp = Pitch Diameter of the thread
- dm = Minor Diameter of the thread