Weight of square bar of iron aluminium brass

side mm
iron weight kg/m
section mm2
side mm
iron weight kg/m
section mm2
4
0,126
16
56
24,62
3.136
5
0,196
25
58
26,41
3.364
6
0,283
36
60
28,26
3.600
7
0,385
49
62
30,18
3.844
8
0,502
64
64
32,15
4.096
9
0,636
81
66
34,19
4.356
10
0,785
100
68
36,3
4.624
11
0,95
121
70
38,47
4.900
12
1,13
144
72
40,69
5.184
13
1,327
169
74
42,99
5.476
14
1,539
196
76
45,34
5.776
15
1,766
225
78
47,76
6.084
16
2,01
256
80
50,24
6.400
17
2,269
289
82
52,78
6.724
18
2,543
324
84
55,39
7.056
19
2,834
361
86
58,06
7.396
20
3,14
400
88
60,79
7.744
21
3,462
441
92
66,44
8.464
22
3,799
484
94
69,36
8.836
23
4,153
529
96
72,35
9.216
24
4,522
576
98
75,39
9.604
25
4,906
625
100
78,5
10.000
26
5,307
676
105
86,55
11.025
27
5,723
729
110
94,99
12.100
28
6,154
784
115
103,82
13.225
29
6,602
841
120
113,04
14.400
30
7,065
900
125
122,66
15.625
31
7,544
961
130
132,67
16.900
32
8,038
1.024
135
143,07
18.225
33
8,549
1.089
140
153,86
19.600
34
9,075
1.156
145
165,05
21.025
35
9,616
1.225
150
176,63
22.500
36
10,17
1.296
160
200,96
25.600
37
10,75
1.369
170
226,87
28.900
38
11,34
1.444
180
254,34
32.400
39
11,94
1.521
190
283,39
36.100
40
12,56
1.600
200
314
40.000
42
13,85
1.764
220
379,94
48.400
44
15,2
1.936
240
452,16
57.600
46
16,61
2.116
250
490,63
62.500
48
18,09
2.304
260
530,66
67.600
50
19,63
2.500
280
615,44
78.400
52
21,23
2.704
300
706,5
90.000
54
22,89
2.916
.
.
.

Specific weight:  iron and common steel = 7.85;  brass = 8.55;  aluminium = 2.7