Table 5.

Tensile strength of samples.

Sample IDs	Control factors			Ultimate tensile strength (N/mm2)	Yield strength (N/mm2)	% Elongation
	A	B	C
S1	Line	75	100	15.40	11.43	9.29
S2	Line	80	200	17.46	13.63	10.39
S3	Line	85	300	15.99	13.00	13.12
S4	Triangle	75	200	18.44	18.46	7.65
S5	Triangle	80	300	18.05	15.78	8.53
S6	Triangle	85	100	16.87	15.13	5.44
S7	Concentric	75	300	27.08	14.20	15.66
S8	Concentric	80	100	38.95	30.07	8.46
S9	Concentric	85	200	28.25	20.83	7.87