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Minimum breaking strength in tons of 2000 lbs Actual strand construction varies by diameter.
For example, 3/8-3/4"" is typically 7x7, 1"" is typically 6x25.

Warning: Wire rope & aircraft cable should never be used at breaking strength. 10:1 safety factor minimum is recommended for critical/overhead application. Do not use for overhead lifting without consulting a wire rope rigging professional. End fittings may not hold to 100% of strength efficiency so a safety factor such as 5:1 should be divided into the assembly actual strength. A pull test is recommended for quality assurance.
ASTM A603
Items ASTM A603
ASTM603-3/8
Galvanized Structural Bridge Rope ASTM A603
ASTM A603
ASTM603-7/16
Galvanized Structural Bridge Rope ASTM A603
ASTM A603
ASTM603-1/2
Galvanized Structural Bridge Rope ASTM A603
ASTM A603
ASTM603-9/16
Galvanized Structural Bridge Rope ASTM A603
ASTM A603
ASTM603-5/8
Galvanized Structural Bridge Rope ASTM A603
Dia (in) N/A 3/8 N/A 7/16 N/A 1/2 N/A 9/16 N/A 5/8
Class A Coating Throughout N/A 6.5 N/A 8.8 N/A 11.5 N/A 14.5 N/A 18
Class A Coating Inner Wires/ Class B Coating Outer Wires N/A 6.3 N/A 8.5 N/A 11.1 N/A 14 N/A 17.4
Class A Coating Inner Wires/ Class C Coating Outer Wires N/A 6.1 N/A 8.2 N/A 10.7 N/A 13.5 N/A 16.8
Class C Coating Throughout N/A 5.9 N/A 8 N/A 10.5 N/A 13.2 N/A 16.4