Assembly References - ITT 3610 i-FRAME Manual

6.6.11 Assembly references

6.6.11.1 Maximum torque values for fasteners
Goulds 2226, 2228, 2229, ASTM A193 B8 and B8M, ASTM A276 Tp 304, ASTM A582 Tp 303, SAE F593
Table 4: 300 Series Stainless Steel Fasteners
Bolt Dia. (D) Tensile Stress
(in.– threads/ Area (Ab), (sq.–
inch) in.)
1/4-20 0.0318
5/16-18 0.0524
3/8–16 0.0775
7/16–14 0.1063
1/2–13 0.1419
9/16–12 0.1819
5/8–11 0.226
3/4–10 0.3345
7/8–9 0.4617
1–8 0.6058
1.125-7 0.7633
1.125-8 0.7904
1.25-7 0.9691
1.25-8 1.000
1.375-6 1.155
1.375-8 1.234
1.5-6 1.405
1.5-8 1.492
1.5-12 1.581
1.625-8 1.775
1.75-5 1.899
1.75-8 2.082
1.875-8 2.414
2-4.5 2.498
2-8 2.771
2.125-8 3.152
2.25-4.5 3.248
2.25-8 3.557
2.375-8 3.987
2.5-4 3.999
2.5-8 4.442
2.625-8 4.921
2.75-4 4.934
3610 i-FRAME API 610 11th Ed/ISO 13709 2nd Ed, API Type BB1 Single-Stage, Axially-Split, Between-Bearing IOM
2226, 2228: 303, 304SS, SAE F593
Group 1 2229: 316SS, SAE F593
Group 2 Yield strength:
65000 psi for 0.25 <=dia<=0.625
45000 psi for 0.75<=dia<=1.5
Torque N-m | ft-lb
Max. preload (lbs) Nickel or Moly Anti-
seize K=0.15
1447 7 | 5
2384 12 | 9
3526 23 | 17
4837 35 | 26
6456 54 | 40
8276 79 | 58
10283 108 | 80
10537 134 | 99
14544 210 | 155
19083 324 | 239
24044 458 | 338
24898 475 | 350
30527 647 | 477
31500 667 | 492
36383 847 | 625
38871 906 | 668
44258 1125 | 830
46998 1194 | 881
49802 1266 | 934
55913 1540 | 1136
59819 1775 | 1309
65583 1946 | 1435
76041 2416 | 1782
78687 2667 | 1967
87287 2958 | 2182
99288 3575 | 2637
102312 3902 | 2878
112046 4272 | 3151
125591 5054 | 3728
125969 5338 | 3937
139923 5929 | 4373
155012 6896 | 5086
155421 7244 | 5343
6.6 Reassembly
A193 B8, B8M Cl 1, A276 Tp 304,
A582 Tp 303
Yield strength=30000 psi
Ultimate tensile=75000 psi
Torque N-m | ft-lb
Max. preload
Nickel or Moly An-
(lbs)
ti-seize K=0.15
668 3 | 2
1100 5 | 4
1628 11 | 8
2232 16 | 12
2980 26 | 19
3820 37 | 27
4746 50 | 37
7025 89 | 66
9696 140 | 103
12722 216 | 159
16029 305 | 225
16598 316 | 233
20351 431 | 318
21000 445 | 328
24255 565 | 417
25914 603 | 445
29505 750 | 553
31332 796 | 587
33201 845 | 623
37275 1026 | 757
39879 1182 | 872
43722 1296 | 956
50964 1611 | 1188
52458 1777 | 1311
58191 1973 | 1455
66192 2384 | 1758
68208 2600 | 1918
74697 2849 | 2101
83727 3371 | 2486
83979 3558 | 2624
93282 3952 | 2915
103341 4598 | 3391
103614 4829 | 3562
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