Wire Rope Rust
Wire Rope Rust
(OP)
I have a sample of air craft cable 1/4" (7x19) galvanized that is used to hold boats out of the water (fresh water). It has developed some surface rust after 3-5 days in use and I'm wondering how the material properties will diminish and at what rate. Should the rusted wire rope be replaced, or is the rust a normal reaction around wet and corrosive environments?





RE: Wire Rope Rust
Was the cable lubricated?
RE: Wire Rope Rust
Hydromech
RE: Wire Rope Rust
The rust seems to be mostly concentrated to the grooves in between the strands.
RE: Wire Rope Rust
The galvanized coating should protect the wire for some time before it affects the strength of the cable.
I would keep a watch on cable and if you see any broken stands start thinking about replacement. Broken strands are indications that the cable is starting to fail.
I would also look at getting a good penetrating spray on cable lubricant and apply it at least twice a year. Check
with the local marine supply store.
I would definately look at an eventual SS replacement.
RE: Wire Rope Rust
RE: Wire Rope Rust
There is no simple test to determine the thickness of the zinc.
As I sated above you should be able to get some life from the cable if you use a penetrating lubricant.
Since the company states that this cable is used all over I would ask them why it is rusting in your case. A replacement might be in order.
RE: Wire Rope Rust
h