NOTE: 1. THE BREAKING STRENGTH MUST BE DIVIDED BY AN APPLICABLE FACTOR OF SAFETY THAT IS CONTROLLED BY THE AMOUNT OF SAFETY REQUIRED FOR THE WORK TO BE DONE
2. SEE THE MANUFACTURER’S CATALOGS FOR SPECIFIC LOAD RATINGS
3-20-4
MATERIALS AND ATTACHMENTS
Page 3-28 Jul 01/2005 D623N004
Figure 3-12 AVERAGE BREAKING STRENGTH OF SELECTED SLING MATERIALS (Continued)
TRADE SIZE DIAMETER, INCHES (MM) WIRE ROPE IMPROVED PLOW STEEL, HEMP CENTER
6 X 19 CONSTRUCTION 6 X 37 CONSTRUCTION 8 X 19 CONSTRUCTION
UNIT WEIGHT LB/FT (KG/M) BREAKING STRENGTH LB (KG) UNIT WEIGHT LB/FT (KG/M) BREAKING STRENGTH LB (KG) UNIT WEIGHT LB/FT (KG/M) BREAKING STRENGTH LB (KG)
1/4 (6) 0.10 (0.15) 5,800 (2631) 0.10 (0.15) 5,600 (2540) 0.09 (0.13) 4,940 (2241)
3/8 (10) 0.23 (0.34) 12,600 (5715) 0.22 (0.33) 12,200 (5534) 0.20 (0.30) 10,900 (4944)
1/2 (13) 0.40 (0.60) 21,000 (9726) 0.39 (0.58) 21,200 (9616) 0.36 (0.54) 19,000 (8618)
5/8 (16) 0.63 (0.94) 33,200 (15060) 0.61 (0.91) 32,200 (14606) 0.57 (0.85) 28,800 (13064)
3/4 (19) 0.90 (1.34) 47,400 (21501) 0.87 (1.29) 45,600 (20684) 0.82 (1.22) 41,000 (18598)
7/8 (22) 1.23 (1.83) 64,400 (29212) 1.19 (1.77 61,000 (27670) 1.11 (1.65) 55,200 (25039)
1 (25) 1.60 (2.38) 84,000 (38102) 1.55 (2.31) 79,000 (35834) 1.45 (2.16) 71,600 (32478)
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