//(Design against Static Load) Example 4.7
//Refer Fig.4.26
//Initial tension in the hacksaw blade P (N)
P = 300
//Tensile yield strength of 30C8 Syt (N/mm2)
Syt = 400
//Factor of safety (fs)
fs = 2.5
//Ratio of depth to width of cross-section ratio
ratio = 3
//Length of hacksaw frame l (mm)
l = 200