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316 wire rope for marine industry. There is no industry recognized definition for a marine grade stainless steel, even though the phrase is routinely used by many end-users. Chloride ions can cause localized corrosive attack (pitting and crevice corrosion) of susceptible stainless steels. [4]
On modern vessels, running rigging is likely to be made from synthetic fibers, while the standing rigging is most often fashioned from stainless steel "wire rope". Since the 1990s, several new synthetic fibers have become common, particularly on racing and other high-performance sailing boats.
SAE 316L grade stainless steel, sometimes referred to as A4 stainless steel or marine grade stainless steel, is the second most common austenitic stainless steel after 304/A2 stainless steel. Its primary alloying constituents after iron , are chromium (between 16–18%), nickel (10–12%) and molybdenum (2–3%), up to 2% manganese , [ 1 ] with ...
Common alloys are "18/8" (known as "surgical stainless steel") and "316" ("marine grade"), which contains more salt-water resistant nickel. Stays/shrouds: standing or running rigging which holds a spar in position (e.g. forestay, backstay, bobstay). Formerly made of rope, typically of braided stainless steel wire, occasionally solid metal rod.
A guy-wire, guy-line, guy-rope, down guy, or stay, also called simply a guy, is a tensioned cable designed to add stability to a freestanding structure. They are used commonly for ship masts , radio masts , wind turbines , utility poles , and tents .
In stricter senses, the term wire rope refers to a diameter larger than 9.5 mm (3 ⁄ 8 in), with smaller gauges designated cable or cords. [1] Initially wrought iron wires were used, but today steel is the main material used for wire ropes. Historically, wire rope evolved from wrought iron chains, which had a record of mechanical failure.
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