RR-C-271F
TABLE VI. Type II, connecting links.
|
Trade size (nom) (inch) |
Outside dimensions of links (L x W) (approx) (inches) |
Weight per dozen (approx) (pounds) |
Working load limit (pounds) |
Proof load (min) (pounds) |
Breaking load (min) (pounds) |
3/16 1/4 5/16 3/8 7/16 1/2 9/16 5/8 3/4 7/8 1 1-1/8 1-1/4 1-3/8 1-1/2 1-5/8 1-7/8 |
1.25 x 0.75 1.5 x 1 1.688 x 1.188 2.062 x 1.375 2.375 x 1.5 2.625 x 1.75 3 x 1.938 3.312 x 2.188 3.875 x 2.5 4.5 x 2.938 5 x 3.25 5.625 x 3.5 6.125 x 4 6.75 x 4.75 7.25 x 5.125 8 x 5.5 9 x 6.25 |
0.375 0.75 1 2 3.125 4.5 6.625 9 14.5 20.25 29 40 53.5 75 103 131 216 |
750 1,250 1,900 2,650 3,625 4,500 5,800 6,900 9,750 12,000 15,500 19,500 24,000 28,750 34,000 42,000 64,000 |
1,500 2,500 3,800 5,300 7,250 9,000 11,600 13,800 19,500 24,000 31,000 39,000 48,000 57,500 68,000 84,000 128,000 |
3,000 5,000 7,600 10,600 14,500 18,000 23,200 27,600 39,000 48,000 62,000 78,000 96,000 115,000 136,000 168,000 256,000 |
3.4.2 Type III, repair or end lap links. End lap links shall be formed from carbon steel as specified in 3.1.1.2.3. Links shall be of the end lap type, shall be similar to figure 16, and shall be in accordance with the dimensions and weights as shown in table VII.
FIGURE 16. Type III, repair or end lap link.
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