Wire Rope vs Aircraft Cable: Construction, Sizes & Uses
"Wire rope" and "aircraft cable" get used interchangeably, and that causes a lot of confusion at the buying stage. Here's the plain-English breakdown so you order the right cable, construction, and coating the first time.
Are wire rope and aircraft cable the same thing?
Essentially yes — aircraft cable is small-diameter wire rope (originally used for aircraft controls). Both are made of steel wires twisted into strands, and strands twisted around a core. The difference people care about is the construction and coating, which determine flexibility, strength, and corrosion resistance.
Construction: 7x7 vs 7x19 vs 1x19
| Construction | Flexibility | Typical use |
|---|---|---|
| 1x19 | Stiff (low flexibility) | Standing rigging, cable railing, where stretch must be minimal |
| 7x7 | Moderate | Light control cables, general utility, smaller diameters |
| 7x19 | Flexible | Lifting, winches, pulleys, anything that bends over sheaves |
Rule of thumb: more wires = more flexible. Use 7x19 where the cable bends or runs over a pulley; use 1x19 where you want a tight, low-stretch run like railing.
Galvanized vs stainless
- Galvanized — zinc-coated carbon steel. Strong and economical; good for general and indoor/outdoor use.
- Stainless (304/316) — best corrosion resistance for marine, coastal, and wet environments, and a cleaner look for architectural railing.
- Coated (PVC / black powder) — adds abrasion resistance and a finished look; common for railing and exposed runs.
Sizing: diameter, breaking strength, working load
Cable is sold by diameter (e.g. 1/16", 1/8", 3/16", 3/8"). Each diameter has a breaking strength and a much lower working load limit (a safety factor is applied — never load to breaking strength). Always choose a diameter whose working load comfortably exceeds your real load, and follow the manufacturer's rated values for lifting.
Galvanized Aircraft Cable → · Galvanized Wire Rope → · Stainless Wire Rope →
FAQ
Is aircraft cable strong enough for lifting?
Use the rated working load limit for your diameter and construction, with the proper safety factor — never the breaking strength. For overhead lifting, follow applicable rigging standards.
What cable is best for cable railing?
1x19 stainless is popular for railing (low stretch, clean look); coated galvanized is a budget option.
Galvanized or stainless for outdoor use?
Galvanized works for general outdoor use; choose stainless (316) for marine/coastal or maximum corrosion resistance.
Follow proper rigging practices and rated load limits. This guide is general information, not a substitute for engineered lifting specifications.