Table 2.

Results of strength calculations of welded I-beams.

Height, H, mm	Beam parameters, A×B×C, mm		Weight, kg	Permissible stress, MPa	Maximum stress, MPa	Estimated safety margin	Minimum safety margin
600	1	14 × 10 × 12	1873	293	231	1.26	1.8
	2	14 × 10 × 14	1908		215	1.36
	3	14 × 10 × 16	2052		205	1.43
700	1	14 × 10 × 12	2079		177	1.65
	2	14 × 10 × 14	2112		165	1.78
	3	14 × 10 × 16	2167		154	1.91
960	1	14 × 10 × 12	2249		152	1.93
	2	14 × 10 × 14	2356		145	2.02
	3	14 × 10 × 16	2443		141	2.08
1000	1	14 × 10 × 12	2366		149	1.97
	2	14 × 10 × 14	2478		144	2.03
	3	14 × 10 × 16	2565		140	2.09