F2437 Acceptable Compression Load Range
Mean Compression Load Range (lbs) |
Diameter |
Grade 5 |
Grade 8 |
Grade 55 |
Grade 105 |
½ |
9,700 – 10,700 |
13,700 – 15,340 |
4,450 – 4,900 |
8,500 – 9,400 |
5/8 |
15,550 – 17,200 |
21,850 – 24,200 |
7,050 – 7,800 |
13,500 – 15,000 |
¾ |
22,600 – 25,000 |
31,900 – 35,300 |
10,500 – 11,600 |
20,000 – 22,150 |
7/8 |
30,850 – 34,100 |
43,550 – 48,100 |
14,500 – 16,000 |
27,650 – 30,550 |
1 |
40,200 – 44,400 |
56,700 – 62,700 |
19,000 – 21,000 |
36,250 – 40,100 |
1-1/8 |
40,250 –44,450 |
73,150 – 80,900 |
23.950 – 26,450 |
47,300 – 52,300 |
1-1/4 |
51,100 – 56,450 |
91,750 – 101,450 |
30,400 – 33,600 |
59,850 – 66,150 |
1-3/8 |
61,150 – 67,600 |
112,450 – 124,250 |
38,550 – 42,600 |
73,800 – 81,600 |
1-1/2 |
74,350 – 82,150 |
135,150 – 149,400 |
44,050 – 48,700 |
89,300 – 98,700 |
1-3/4 |
74,450 – 82,300 |
177,850 – 196,500 |
59,550 – 65,850 |
124,600 – 137,750 |
2 |
98,000 – 108,300 |
236,850 – 261,750 |
78,650 – 86,950 |
165,800 – 183,300 |
2-1/4 |
127,400 – 140,800 |
277,900 – 307,100 |
102,050 – 112,750 |
212,900 – 235,350 |
2-1/2 |
156,750 – 173,250 |
379,600 – 419,600 |
125,400 – 138,600 |
240,550 – 265,850 |
The user is not obliged to install fasteners and DTIs to these tensions, and is free to specify installation to lower tension values. When so specified the DTI supplier shall provide a load-gap curve to enable the user to select the appropriate gap criteria for the intended target tension for the application. |