Diameter d mm | Diameter d inch | Pitch t mm | Pitch t inch | Weight per ring kg | Weight per ring lbs | Weight kg/m | Weight lbs/100 ft | Surface area cm²/m | Surface area ft²/ft |
16
|
5/8
|
70
|
2 3/4
|
0,43
|
0,95
|
6,14
|
413
|
1.940
|
0,637
|
18
|
5/8
|
100
|
4
|
0,74
|
1,63
|
7,40
|
497
|
2.096
|
0,688
|
19
|
3/4
|
65
|
2 9/16
|
0,65
|
1,43
|
10,00
|
672
|
2.423
|
0,795
|
19
|
3/4
|
70
|
2 3/4
|
0,63
|
1,39
|
9,00
|
605
|
2.384
|
0,782
|
19
|
3/4
|
76
|
3
|
0,67
|
1,48
|
8,82
|
592
|
2.344
|
0,769
|
20
|
3/4
|
65
|
2 9/16
|
0,67
|
1,48
|
10,31
|
693
|
2.581
|
0,847
|
20
|
3/4
|
70
|
2 3/4
|
0,70
|
1,54
|
10,00
|
672
|
2.538
|
0,833
|
20
|
3/4
|
76
|
3
|
0,75
|
1,65
|
9,90
|
665
|
2.493
|
0,818
|
20
|
3/4
|
80
|
3 1/8
|
0,78
|
1,72
|
9,75
|
655
|
2.467
|
0,810
|
20
|
3/4
|
100
|
4
|
0,93
|
2,05
|
9,30
|
625
|
2.369
|
0,777
|
22
|
7/8
|
76
|
3
|
0,93
|
2,05
|
12,24
|
822
|
2.800
|
0,919
|
22
|
7/8
|
80
|
3 1/8
|
0,97
|
2,14
|
12,13
|
815
|
2.768
|
0,908
|
22
|
7/8
|
100
|
4
|
1,14
|
2,51
|
11,40
|
766
|
2.649
|
0,869
|
23
|
7/8
|
76
|
3
|
1,02
|
2,25
|
13,42
|
902
|
2.957
|
0,970
|
23
|
7/8
|
80
|
3 1/8
|
1,07
|
2,36
|
13,38
|
899
|
2.923
|
0,959
|
23
|
7/8
|
100
|
4
|
1,14
|
2,51
|
11,40
|
765
|
2.792
|
0,916
|
25
|
1
|
76
|
3
|
1,23
|
2,71
|
16,18
|
1.088
|
3.279
|
1,076
|
25
|
1
|
80
|
3 1/8
|
1,30
|
2,87
|
16,12
|
1.083
|
3.238
|
1,062
|
25
|
1
|
89
|
3 1/2
|
1,40
|
3,09
|
15,73
|
1.057
|
3.160
|
1,037
|
25
|
1
|
100
|
4
|
1,52
|
3,35
|
15,20
|
1.021
|
3.084
|
1,012
|
28
|
1 1/8
|
89
|
3 1/2
|
1,82
|
4,01
|
20,45
|
1.374
|
3.633
|
1,192
|
28
|
1 1/8
|
100
|
4
|
1,95
|
4,30
|
19,50
|
1.310
|
3.537
|
1,161
|
30
|
1 3/16
|
100
|
4
|
2,28
|
5,03
|
22,80
|
1.532
|
3.849
|
1,263
|
32
|
1 1/4
|
100
|
4
|
2,65
|
5,84
|
26,50
|
1.781
|
4.169
|
1,368
|