F959 Acceptable Compression Load Range

Diameter Type 325 and 325-3, in kips Type 490 and 490-3, in kips
1/2 12 – 14 15 – 18
5/8 19 – 23 24 – 29
3/4 28 – 34 35 – 42
7/8 39 – 47 49 – 59
1 51 – 61 64 – 77
1-1/8 56 – 67 80 – 96
1-1/4 71 – 85 102 – 122
1-3/8 85 – 102 121 – 145
1-1/2 103 – 124 148 – 178