Rounds, Squares and Flats

Mass per unit length (kg/m)

Width / Diameter	Rounds	Squares and Flats Thickness
Width / Diameter	Rounds	3	4	5	6	8	10	12	15	16	20	25	30	35	40	45	50	60	65	75
6	0.22
8	0.39					0.50
10	0.62	0.24					0.79
12	0.89	0.29						1.13
13	1.04	0.31	0.41	0.51	0.61
15	1.39	0.35	0.47	0.59					1.77
16	1.58	0.38	0.50	0.63		1.00	1.26			2.01
20	2.47	0.47	0.63	0.75	0.79	1.26	1.57	1.88			3.14
22	2.98	0.52		0.86			1.73
25	3.85	0.59	0.79	0.98	1.18	1.57	1.96	2.36	2.94		3.92	4.91
30	5.55	0.71	0.94	1.18	1.41	1.88	2.36	2.83	3.53		4.71	5.89	7.07
35	7.55	0.82	1.10	1.37	1.65	2.20	2.75	330	4.12					9.62
40	9.86	0.94	1.26	1.57	1.88	2.51	3.14	3.77	4.71		6.28	7.85	9.42		12.60
45	12.50	1.06	1.49	1.77	2.12	2.83	3.53	4.24	5.31		7.07	8.83	10.65			15.90
50	15.41	1.18	1.57	1.96	2.36	3.14	3.93	4.71	5.89		7.85	9.81	11.78		15.70		19.60
55				2.16	2.59	3.45	4.32	5.18	6.48		8.64	10.79	12.95
60	22.20	1.41	1.88	2.36	2.83	3.77	4.71	5.65	7.07		9.42	11.78	14.13	16.49	18.84			28.30
65	26.00	1.53	2.04	2.55	3.06	4.08	5.10	6.12	7.65		10.21	12.76	15.31	17.85	20.41	22.96	25.52		33.20
70	30.20	1.65		2.76	3.30	4.40	5.50	6.59	8.24		10.99	13.74	16.49		21.96		27.48
75	34.70	1.77	2.36	2.94	3.53	4.71	5.89	7.07	8.83		11.08	14.70	17.70		23.60		29.45	35.45	38.32	44.20
80	38.50	1.89	2.51	3.14	3.77	5.02	6.28	7.54	9.42		12.56	15.70	18.84	22.02;	25.12	28.26	31.40	40.82	40.82
85	44.50
90	49.90	2.12	2.83	3.53	4.24	5.65	7.07	8.48	10.60		14.13	17.66	21.20	24.73	28.26	31.79	35.33
95	55.60
100	61.70	2.36	3.14	3.93	4.71	6.28	7.85	9.42	11.78		15.70	19.63	23.55	27.48	31.40	35.33	39.25	47.10	51.11	58.90
105	68.00
110	74.60	2.59		4.32	5.18	6.91	8.64	10.36	12.95		17.27	21.59	25.90		34.54	38.86	43.18
115	81.50
120	88.00			4.71	5.65	7.54	9.42	11.30	14.00		18.84	23.55	28.35
125	96.30
130	104.00	3.06	4.08	5.10	6.12	8.16	10.21	12.25	15.31		20.41	25.51	30.62		40.80	45.92	51.03	61.23		76.50
135	112.00
140	121.00				6.59	8.79	10.99	13.20	16.49		21.98	27.48	32.99
145	130.00
150	139.00	3.54	4.71	5.89	7.07	9.42	11.78	14.13	17.66		23.55	29.44	35.33		47.10	52.99	56.88	70.65	76.65	88.32
155	148.00
160	158.00				7.54		12.56	15.07	18.81		25.12	31.40
165	168.00
170	178.00
180	200.00			7.07	8.48	11.31	14.13	16.96	21.20		28.26	35.33	42.39		56.52		70.60
185	211.00
190	223.00
195	234.00
200	247.00		6.30		9.42	12.60	15.70	18.84	23.55		31.41	39.25	47.10		62.80	70.65	78.50			117.75
210	272.00
220	298.00			8.64	10.36	13.82	17.27	20.72	25.91		34.54	43.18	51.81		69.08		86.35
230	326.00				10.83
240	356.00
250	385.00				11.78	15.70	19.60	23.55	29.44		39.25	49.06	58.88		78.50	88.31	98.13