HWMA2 USER INSTRUCTIONS ENGLISH - 06/16
Page 27 of 39
M64
14083
(10388)
14300
(10548)
4117
(3037)
5201
(3836)
20370
(15025)
M68
16998
(12538)
17260
(12731)
4969
(3665)
6277
(4630)
24580
(18130)
M76
25230
(18610)
8270
(6100)
Tightening Torque M
A
Nm (lbf.ft)
Duplex SS
Austenitic SS
other alloys
Size of
Screw
S32760, S31803,
1.4462
A193 B8M Cl2
A4-70, A2-70
A193 B8/B8M,
A193 B8MA (NACE)
A2-50, A4-50
N08825
[Nm]
[lbf.ft]
[Nm]
[lbf.ft]
[Nm]
[lbf.ft]
[Nm]
[lbf.ft]
[Nm]
[lbf.ft]
M4
2.1
(1.5)
3.2
(2.4)
1.9
(1.4)
0.9
(0.7)
1.1
(0.8)
M5
4.1
(3)
6.4
(4.7)
3.6
(2.7)
1.6
(1.2)
2.2
(1.6)
M6
7.1
(5.2)
10.9
(8)
6.3
(4.6)
2.9
(2.1)
3.7
(2.7)
M8
17
(12.5)
27
(19.9)
15
(11.2)
7.1
(5.2)
9.1
(6.7)
M10
34
(25)
52
(38)
30
(22)
14
(10.3)
18.3
(13)
M12
59
(44)
91
(67)
51
(38)
24
(17.7)
31
(23)
M14
94
(69)
143
(105)
82
(60)
38
(28)
50
(37)
M16
145
(107)
222
(164)
126
(93)
58
(43)
76
(56)
M18
201
(148)
308
(227)
176
(130)
82
(60)
106
(78)
M20
283
(209)
434
(320)
247
(182)
115
(85)
150
(111)
M22
387
(285)
473
(349)
337
(249)
157
(116)
202
(149)
M24
487
(359)
595
(439)
426
(314)
198
(146)
257
(190)
M27
716
(528)
716
(528)
602
(444)
292
(215)
379
(280)
M30
968
(714)
968
(714)
817
(603)
397
(293)
515
(380)
M33
1315
(970)
1008
(744)
1112
(820)
536
(395)
697
(514)
M36
1692
(1248)
1297
(957)
1428
(1053)
690
(509)
897
(662)
M39
2187
(1613)
1849
(1364)
890
(656)
1160
(856)
M42
2714
(2002)
2287
(1687)
1067
(787)
1447
(1067)
M45
3375
(2489)
1800
(1328)
M48
4084
(3012)
2178
(1606)
M64
9750
(7192)
5201
(3836)
M68
11768
(8680)
6277
(4630)
M76
Above mentioned torques are for all screwed unions, which works under dynamical load. For all other
connections you can use a corresponding smaller torque.
Anchor bolts are usually made of 4.6 material. Tightening torques indicated in above table shall not be
exceeded.