Siemens FLENDER B3 E Series Assembly And Operating Instructions Manual page 72

Nominal Strength
thread class of the
diameter bolt
d
mm
8.8
M12 10.9
12.9
8.8
M16 10.9
12.9
8.8
M20 10.9
12.9
8.8
M24 10.9
12.9
8.8
M30 10.9
12.9
8.8
M36 10.9
12.9
8.8
M42 10.9
12.9
8.8
M48 10.9
12.9
8.8
M56 10.9
12.9
8.8
10.9
M64
12.9
8.8
10.9
M72x6
12.9
8.8
10.9
M80x6
12.9
8.8
10.9
M90x6
12.9
8.8
M100x6
10.9
12.9
Damaged bolts must be replaced with new bolts of the same type and strength class.
Initial­tensioning force
for screw­connection classes
from table 16
C D
F
M min.
N
26300 16800
38600 24700
45100 28900
49300 31600
72500 46400
85000 54400
77000 49200
110000 70400
129000 82400
109000 69600
155000 99200
181000 116000
170000 109000
243000 155000
284000 182000
246000 157000
350000 224000
409000 262000
331000 212000
471000 301000
551000 352000
421000 269000
599000 383000
700000 448000
568000 363000
806000 516000
944000 604000
744000 476000
1060000 676000
1240000 792000
944000 604000
1340000 856000
1570000 1000000
1190000 760000
1690000 1100000
1980000 1360000
1510000 968000
2150000 1380000
2520000 1600000
1880000 1200000
2670000 1710000
3130000 2000000
BA 5033 EN 03/2011
72 / 96
Tightening torque
for screw­connection classes
from table 16
E C
10500 76.7
15400 113
18100 132
19800 186
29000 273
34000 320
30800 364
44000 520
51500 609
43500 614
62000 875
72500 1020
68000 1210
97000 1720
114000 2010
98300 2080
140000 2960
164000 3460
132000 3260
188000 4640
220000 5430
168000 4750
240000 6760
280000 7900
227000 7430
323000 10500
378000 12300
298000 11000
423000 15600
495000 18300
378000 15500
535000 22000
628000 25800
475000 21500
675000 30500
790000 35700
605000 30600
860000 43500
1010000 51000
750000 42100
1070000 60000
1250000 70000
D E
M
A
Nm
66.1 59.0
97.1 86.6
114 101
160 143
235 210
276 246
313 280
450 400
525 468
530 470
755 675
880 790
1040 930
1480 1330
1740 1550
1790 1600
2550 2280
2980 2670
2810 2510
4000 3750
4680 4180
4090 3650
5820 5200
6810 6080
6400 5710
9090 8120
10600 9500
9480 8460
13500 12000
15800 14100
13400 11900
18900 16900
22200 19800
18500 16500
26400 23400
31400 27400
26300 23500
37500 33400
43800 39200
36200 32300
51600 46100
60400 53900