Technical Standards Tables




1900
THE NEW ZEALAND GAZETTE.
[No. 49

Table No. 29.—Galvanized-wire-rope Purchases.

TABLE OF SAFE-WORKING LOADS FOR A PURCHASE CARRYING THE LOAD ON THREE PARTS (DIAGRAM NO. 11).

(Ropes are to be equal to the breaking-loads specified in Table 3.)

Size of Rope. Strands and Wires 6/12. Strands and Wires 6/24. Strands and Wires 6/30.
Circumference, in Inches. Diameter, in Inches (approx.). Working-load, in Tons, &c. Working-load, in Pounds.
1 5/16 T. cwt. qr. lb. 2,240
1/4 13/32 1 0 0 0 3,472
1/2 15/32 1 11 0 0 5,376
3/4 9/16 2 8 0 0 7,168
2 5/8 3 4 0 0 9,296
1/4 23/32 4 3 0 0 12,096
1/2 13/16 5 8 0 0 14,784
3/4 7/8 6 12 0 0 17,024
3 15/16 7 12 0 0 20,832

Table No. 30.—Galvanized-wire-rope Purchases.

TABLE OF SAFE-WORKING LOADS FOR A PURCHASE CARRYING THE LOAD ON FOUR PARTS (DIAGRAM NO. 12).

(Ropes are to be equal to the breaking-loads specified in Table 3.)

Size of Rope. Strands and Wires 6/12. Strands and Wires 6/24. Strands and Wires 6/30.
Circumference, in Inches. Diameter, in Inches (approx.). Working-load, in Tons, &c. Working-load, in Pounds.
1 5/16 T. cwt. qr. lb. 2,986
1/4 13/32 1 6 2 18 4,630
1/2 15/32 2 1 1 10 7,168
3/4 9/16 3 4 0 0 9,558
2 5/8 4 5 1 10 12,395
1/4 23/32 5 10 2 19 16,128
1/2 13/16 7 4 0 0 19,712
3/4 7/8 8 16 0 0 22,698
3 15/16 10 2 2 18 27,776


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🚂 Safe-working loads for galvanized-wire-rope purchases (continued from previous page)

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Galvanized-wire-rope purchases, Safe-working loads, Technical standards, Tables