Square Bar

side length mm	theoretical weight(kg/m)	side length  mm	theoretical weight(kg/m)	side length  mm	theoretical weight(kg/m)
7	0.385	28	6.15	85	56.7
8	0.502	30	7.06	90	63.6
9	0.636	32	8.04	95	70.8
10	0.785	34	9.07	100	78.5
12	1.13	36	10.2	105	86.5
13	1.33	38	11.3	110	95
14	1.54	40	12.6	115	104
15	1.77	42	13.8	120	113
16	2.01	45	15.9	125	123
17	2.27	48	18.1	130	133
18	2.54	50	19.6	140	154
19	2.83	53	22	150	177
20	3.14	56	24.6	160	201
21	3.46	60	28.3	170	227
22	3.8	63	31.2	180	254
24	4.52	70	38.5	190	283
25	4.91	75	44.2	200	314
26	5.31	80	50.2