5 fastener torques, Wxb user instructions english - 07/14, Page 30 of 51 – Flowserve Worthington WXB User Manual
Page 30
WXB USER INSTRUCTIONS ENGLISH - 07/14
Page 30 of 51
6.5 Fastener torques
Tightening Torque M
A
Nm (lbf.ft)
Duplex SS
Carbon Steel
Austenitic SS
Size
of
Screw
S32760,
S31803,
1.4462
A193 B7M,
A320 L7M
(NACE)
A193 B7,
A320 L7,
8.8
3.6
4.6
10.9
A193 B8M
Cl2
A4-70,
A2-70
A193
B8/B8M,
A193 B8MA
(NACE)
A2-50,
A4-50
[Nm]
[lbf.ft]
[Nm]
[lbf.ft]
[Nm]
[lbf.ft]
[Nm]
[lbf.ft]
[Nm]
[lbf.ft]
[Nm]
[lbf.ft]
[Nm] [lbf.ft] [Nm] [lbf.ft] [Nm] [lbf.ft]
M4
2.1
(1.5)
4.2
(3.1)
3
(2.2)
0.8
(0.6)
1.1
(0.8)
4.6
(3.4)
3.2
(2.4)
1.9
(1.4)
0.9
(0.7)
M5
4.1
(3)
8.3
(6.1)
5.9
(4.4)
1.6
(1.2)
2.2
(1.6)
8.6
(6.3)
6.4
(4.7)
3.6
(2.7)
1.6
(1.2)
M6
7.1
(5.2)
14.2
(10.5)
10.1
(7.4)
2.8
(2.1)
3.7
(2.7)
14.9
(11)
10.9
(8)
6.3
(4.6)
2.9
(2.1)
M8
17
(12.5)
35
(26)
24.6
(18.1)
6.8
(5)
9.1
(6.7)
36
(27)
27
(19.9)
15
(11.2)
7.1
(5.2)
M10
34
(25)
68
(50)
48
(35)
13.7
(10.1)
18.3
(13)
71
(52)
52
(38)
30
(22)
14
(10.3)
M12
59
(44)
118
(87)
84
(62)
23
(17)
31
(23)
123
(91)
91
(67)
51
(38)
24
(17.7)
M14
94
(69)
187
(138)
133
(98)
37
(27)
50
(37)
195
(144)
143
(105)
82
(60)
38
(28)
M16
145
(107)
290
(214)
206
(152)
57
(42)
76
(56)
302
(223)
222
(164)
126
(93)
58
(43)
M18
201
(148)
335
(247)
295
(218)
80
(59)
106
(78)
421
(311)
308
(227)
176
(130)
82
(60)
M20
283
(209)
472
(348)
415
(306)
112
(83)
150
(111)
592
(437)
434
(320)
247
(182)
115
(85)
M22
387
(285)
644
(475)
567
(418)
151
(111)
202
(149)
807
(595)
473
(349)
337
(249)
157
(116)
M24
487
(359)
811
(598)
714
(527)
193
(142)
257
(190)
1017
(750)
595
(439)
426
(314)
198
(146)
M27
716
(528)
1193
(880)
1050
(774)
284
(209)
379
(280)
1496
(1103)
716
(528)
292
(215)
M30
968
(714)
1614
(1190)
1420
(1047)
386
(285)
515
(380)
2033
(1500)
968
(714)
397
(293)
M33
1315
(970)
2191
(1616)
1928
(1422)
523
(386)
697
(514)
2747
(2026)
1008 (744)
536
(395)
M36
1692
(1248)
2820
(2080)
2482
(1831)
672
(496)
897
(662)
3535
(2607)
1297 (957)
690
(509)
M39
2187
(1613)
3645
(2689)
3208
(2366)
870
(642)
1160
(856)
4569
(3370)
890
(656)
M42
2714
(2002)
3920
(2891)
3980
(2936)
1146
(845)
1447 (1067)
5670
(4182)
M45
3375
(2489)
4875
(3596)
4950
(3651)
1425 (1051) 1800 (1328)
7050
(5200)
M48
4084
(3012)
5899
(4351)
5990
(4418)
1724 (1272) 2178 (1606)
8530
(6292)
M64
9750
(7192) 14083 (10388) 14300 (10548) 4117 (3037) 5201 (3836) 20370 (15025)
M68
11768 (8680) 16998 (12538) 17260 (12731) 4969 (3665) 6277 (4630) 24580 (18130)
M76
25230 (18610) 8270 (6100)
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.