Wire Rope Load Tables




Table No. 19.—Double-wire-rope Strops.

TABLE OF BREAKING-LOADS AND CORRESPONDING SAFE-WORKING LOADS FOR DOUBLE STROPS WITH A THIMBLE IN EACH END AND MADE OF BLACK-STEEL-WIRE ROPE OF PATENT IMPROVED PATENT STEEL QUALITY OF THE BREAKING-LOAD SPECIFIED IN APPENDIX II.

(Strop loaded as shown in Diagram No. 7.)

Two Ropes each of Size Strands and Wires 6/19. Strands and Wires 6/24. Strands and Wires 6/37.
Circumference, in Inches. Diameter, in Inches. Breaking-load, in Tons. Working-load, in Tons, &c.
2 5/8 24·8 T. cwt. qr. lb.
2⅛ 11/16 27·2 3 0 1 21
23/32 31·2 3 9 1 9
2⅜ 3/4 35·2 3 18 0 24
13/16 38·2 4 4 3 15
2⅝ 27/32 41·0 4 11 0 12
7/8 45·8 5 1 3 3
2⅞ 29/32 50·8 5 12 3 15
3 15/16 57·8 6 8 1 21

Table No. 20.—Double-wire-rope Strops.

TABLE OF BREAKING-LOADS AND CORRESPONDING SAFE-WORKING LOADS FOR DOUBLE STROPS WITH A THIMBLE IN EACH END AND MADE OF GALVANIZED-STEEL-WIRE ROPE OF HAWSER BASIC QUALITY OF THE BREAKING-LOAD SPECIFIED IN APPENDIX III.

(Strop loaded as shown in Diagram No. 7.)

Two Ropes each of Size Strands and Wires 6/19. Strands and Wires 6/24. Strands and Wires 6/37.
Circumference, in Inches. Diameter, in Inches. Breaking-load, in Tons. Working-load, in Tons, &c.
2 5/8 23·4 T. cwt. qr. lb.
2⅛ 11/16 25·8 2 12 0 0
23/32 30·8 2 17 1 9
2⅜ 3/4 33·4 3 8 1 21
13/16 36·0 3 14 0 24
2⅝ 27/32 38·8 4 0 0 0
7/8 43·4 4 6 0 24
2⅞ 29/32 48·0 4 16 1 21
3 15/16 51·2 5 13 3 3


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VUW Te Waharoa PDF NZ Gazette 1926, No 61


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🚂 Table of Safe-Working Loads for Galvanized-Wire-Rope Purchases (Six Parts) (continued from previous page)

🚂 Transport & Communications
Safe-Working Loads, Galvanized-Wire-Rope Purchases, Marine Department, Six Parts