Directional Strength Increase Factor

k_{ds} = (1.0 + 0.5 \cdot \sin^{1.5} θ)

k_{ds} = (1.0 + 0.5 \cdot \sin^{1.5} 60 °)

k_{ds} = 1.40

k_ds	Directional strength increase factor
θ	Angle between the line of applied force and the weld longitudinal axis, degrees

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