Bevel Solder Joint Calculation Formulas

Allowable joint tensile stress

Allowable joint shear stress

Joint tensile stress

Joint shear stress

Strength check

σ σ A and ττ A

Minimum thickness of connected parts

s min = max {s 1 , s 2 }

where:

Meaning of used variables for metric units:

S U

Joint strength in tension [MPa]

k T

Tension safety factor

S US

Joint strength in shear [MPa]

k S

Shear safety factor

F

Transferred force [N]

b

Width of connected parts [mm]

s

Thickness of connected parts [mm]

Meaning of used variables for English units:

S U

Joint strength in tension [psi]

k T

Tension safety factor

S US

Joint strength in shear [psi]

k S

Shear safety factor

F

Transferred force [lb]

b

Width of connected parts [in]

s

Thickness of connected parts [in]

Guiding values for solder joint strength

Soft solder alloys

Brazing filler metals