Weld Strength Calculator
Calculate filler metal weld strength per AISC Specification
Select filler metal classification
in
Throat dimension for fillet weld (use 0.707 × leg for actual throat)
in
Results
Design Weld Strength (ϕRn)66.81kips
Effective Throat (aw)0.1767in
Filler Metal Strength70ksi
Calculation Details
ϕRn = 0.75 × (0.60 × 70 × 0.177 × 12) = 66.81 kips
Based on AISC Specification Section J2.4
ϕ = 0.75 for weld metal (LRFD)
Reference: AISC J2-4
The design strength of weld metal, ϕRn, shall be determined using Rn = 0.60 × Fexx × aw × L, where Fexx is the electrode classification stress, aw is the effective throat, and L is the weld length.
Disclaimer: These calculations are for educational and preliminary design purposes only. Always verify results with qualified engineering analysis before use in actual construction.