Technical Standards for Galvanized-Steel-Wire Ropes




Table No. 20.—Galvanized-steel-wire Ropes.

TABLE OF BREAKING-LOADS AND CORRESPONDING SAFE-WORKING LOADS FOR GALVANIZED-STEEL-WIRE ROPES OF HAWSER BASIC QUALITY, USED FOR SINGLE WHIPS, SINGLE STROPS, OR LONG-EYED SNOTTERS, AND FOR OTHER SIMILAR CASES WHERE THE LOAD IS CARRIED ON A SINGLE PART.

(Tensile strength of wires, 85-95 tons per square inch.)

Size of Rope. Flexible. Special Flexible. Special Flexible.
Circumference, in Inches. Diameter, in Inches (approx.). Construction.—Six Strands of 12 Wires each. Construction.—Six Strands of 24 Wires each.
Actual Breaking-load, in Tons. Working-load, in Tons, &c.
1 5/16 2·0 T. cwt. qr. lb.
13/32 3·1 0 5 2 24
15/32 4·8 0 8 3 12
9/16 6·4 0 13 2 24
2 5/8 8·3 0 18 1 4
23/32 10·8 1 3 2 24
13/16 13·2 1 10 3 12
7/8 15·2 1 17 2 24
3 15/16 18·6 2 3 1 20
17/16 21·7 2 13 0 18
11/8 25·7 3 2 0 0
15/16 29·3 3 13 1 20
4 19/32 33·2 4 3 2 24
11/16 36·4 4 14 3 12
17/16 43·3 5 4 0 0
11/2 47·0 5 13 2 24
5 119/32 52·8 6 3 2 24
11/16 6 14 1 4
13/16
15/16
6 129/32
2
23/32
25/32
7 27/32
29/32
8 217/32


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Galvanized-steel-wire ropes, Breaking-loads, Working-loads, Technical standards, Tables