✨ Technical Specifications
Table No. 6.—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, 90 tons per square inch.)
| Size of Rope. | Construction.—Six Strands of 19 Wires each. | Construction.—Six Strands of 24 Wires each. | Construction.—Six Strands of 37 Wires each. |
|---|---|---|---|
| Circumference, in Inches. | Diameter, in Inches (approx.). | Actual Breaking-load, in Tons. | Working-load, in Tons, &c. |
| 1 | 5/16 | 2·9 | T. cwt. qr. lb. |
| 1⅛ | 3/8 | 3·5 | 0 8 1 4 |
| 1¼ | 13/32 | 4·5 | 0 10 0 0 |
| 1⅜ | 7/16 | 5·2 | 0 12 3 12 |
| 1½ | 15/32 | 6·4 | 0 14 3 12 |
| 1⅝ | 1/2 | 7·7 | 0 18 1 4 |
| 1¾ | 9/16 | 8·6 | 1 2 0 0 |
| 1⅞ | 19/32 | 10·1 | 1 4 2 8 |
| 2 | 5/8 | 11·7 | 1 8 3 12 |
| 2⅛ | 11/16 | 12·9 | 1 13 1 20 |
| 2¼ | 23/32 | 15·4 | 1 16 3 12 |
| 2⅜ | 3/4 | 16·7 | 2 4 0 0 |
| 2½ | 13/16 | 18·0 | 2 11 1 20 |
| 2⅝ | 27/32 | 19·4 | 2 15 1 20 |
| 2¾ | 7/8 | 21·7 | 3 2 0 0 |
| 2⅞ | 29/32 | 24·0 | 3 8 2 8 |
| 3 | 15/16 | 25·6 | 3 13 0 16 |
| 3⅛ | 1 | 29·1 | 4 3 0 16 |
| 3¼ | 1¹/₃₂ | 30·8 | 4 8 0 0 |
| 3⅜ | 1¹/₁₆ | 32·7 | 4 13 1 20 |
| 3½ | 1¹/₈ | 35·6 | 5 1 2 24 |
| 3⅝ | 1⁵/₃₂ | 37·5 | 5 7 0 16 |
| 3¾ | 1³/₁₆ | 40·6 | 5 16 0 0 |
| 3⅞ | 1¹/₄ | 43·8 | 6 5 0 16 |
| 4 | 1⁹/₃₂ | 47·1 | 6 14 2 8 |
| 4⅛ | 1⁵/₁₆ | 49·4 | 7 1 0 16 |
| 4¼ | 1¹¹/₃₂ | 51·7 | 7 7 2 24 |
| 4⅜ | 1³/₈ | 55·3 | 7 18 0 0 |
| 4½ | 1⁷/₁₆ | 60·2 | 8 12 0 0 |
| 4⅝ | 1¹⁵/₃₂ | 62·8 | 8 19 1 20 |
| 4¾ | 1¹/₂ | 66·8 | 9 10 3 12 |
| 4⅞ | 1⁹/₁₆ | 69·4 | 9 18 1 4 |
| 5 | 1¹⁹/₃₂ | 72·2 | 10 6 1 4 |
| 5⅛ | 1⁵/₅ | .. | .. |
| 5¼ | 1¹¹/₁₆ | .. | .. |
| 5⅜ | 1²³/₃₂ | .. | .. |
| 5½ | 1³/₄ | .. | .. |
| 5⅝ | 1²⁵/₃₂ | .. | .. |
| 5¾ | 1²⁷/₃₂ | .. | .. |
| 5⅞ | 1⁷/₈ | .. | .. |
| 6 | 1²⁹/₃₂ | .. | .. |
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VUW Te Waharoa —
NZ Gazette 1926, No 61
NZLII —
NZ Gazette 1926, No 61
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Table of Breaking-Loads and Working-Loads for Galvanized-Steel-Wire Ropes
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🚂 Transport & CommunicationsBreaking-Loads, Working-Loads, Galvanized-Steel-Wire Ropes, Marine Department