Wire-rope Specifications




1502
THE NEW ZEALAND GAZETTE.
[No. 30

Table No. 13.—Black-wire-rope Purchases.

TABLE OF SAFE-WORKING LOADS FOR A PURCHASE CARRYING THE LOAD ON SIX PARTS (DIAGRAM NO. 14).

(Ropes are to be equal to the breaking-loads specified in Appendix II.)

Size of Rope. Strands and Wires 6/19. Strands and Wires 6/24. Strands and Wires 6/37.
Circumference, in Inches. Diameter, in Inches (approx.). Working-load, in Tons, &c. Working-load, in Pounds.
1 5/16 T. cwt. qr. lb. 6,720
1⅛ 3/8 3 0 0 0 8,288
13/32 3 14 0 0 10,528
1⅜ 7/16 4 14 0 0 12,320
15/32 5 10 0 0 15,008
1⅝ 1/2 6 14 0 0 18,144
9/16 8 2 0 0 20,384
1⅞ 19/32 9 2 0 0 23,968
2 5/8 10 14 0 0 27,776
2⅛ 11/16 12 8 0 0 30,464
23/32 13 12 0 0 34,944
2⅜ 3/4 15 12 0 0 39,424
13/16 17 12 0 0 42,784
2⅝ 27/32 19 2 0 0 45,920
7/8 20 10 0 0 51,296
2⅞ 29/32 22 18 0 0 56,896
3 15/16 25 8 0 0 64,736

Table No. 14.—Galvanized-wire-rope Purchases.

TABLE OF SAFE-WORKING LOADS FOR A PURCHASE CARRYING THE LOAD ON TWO PARTS (DIAGRAM NO. 10).

(Ropes are to be equal to the breaking-loads specified in Appendix III.)

Size of Rope. Strands and Wires 6/19. Strands and Wires 6/24. Strands and Wires 6/37.
Circumference, in Inches. Diameter, in Inches (approx.). Working-load, in Tons, &c. Working-load, in Pounds.
1 5/16 T. cwt. qr. lb. 2,165
1⅛ 3/8 0 19 1 9 2,613
13/32 1 3 1 9 3,360
1⅜ 7/16 1 10 0 0 3,882
15/32 1 14 2 18 4,778
1⅝ 1/2 2 2 2 18 5,749
9/16 2 11 1 9 6,421
1⅞ 19/32 2 17 1 9 7,541
2 5/8 3 7 1 9 8,736
2⅛ 11/16 3 18 0 0 9,632
23/32 4 6 0 0 11,498
2⅜ 3/4 5 2 2 18 12,469
13/16 5 11 1 9 13,440
2⅝ 27/32 6 0 0 0 14,485
7/8 6 9 1 9 16,202
2⅞ 29/32 7 4 2 18 17,920
3 15/16 8 0 0 0 19,114


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🏗️ Safe-working loads for black-wire-rope purchases

🏗️ Infrastructure & Public Works
Wire rope, Safe working loads, Purchases, Black wire rope, Construction specifications, Load tables

🏗️ Safe-working loads for galvanized-wire-rope purchases

🏗️ Infrastructure & Public Works
Wire rope, Safe working loads, Purchases, Galvanized wire rope, Construction specifications, Load tables