What Is Steel Wire Rope? Construction, Types and Selection Guide

Steel wire rope is a flexible load-bearing element made by laying high-strength steel wires first into strands and then laying those strands helically around a core. It is far more flexible than a solid steel bar: it can run over sheaves, wind onto drums and absorb shocks. That is why it is used everywhere from cranes and lifts to ship rigging and architectural balustrades.

The three main components of wire rope

• Wire: The smallest building block. The tensile grade of the wire (for example 1770 or 1960 N/mm²) directly determines the rope’s breaking load.
• Strand: Formed by laying wires around a centre wire.
• Core: The centre around which the strands are laid. A fibre core (FC) adds flexibility; a steel core (IWRC) offers crush resistance and a higher breaking load.

What do 6x19, 7x7 and 1x19 mean?

The first number in the code is the number of strands and the second is the number of wires in each strand. A 6x19 rope consists of 6 strands with 19 wires each. The general rule: the more wires per strand, the more flexible the rope — but the thinner individual wires become more sensitive to abrasion. Therefore:

• 1x19: The stiffest construction; ideal for balustrades, mast stays and tensioning.
• 6x7 and 7x7: Abrasion resistant with medium flexibility; fences, tensioning and general purpose use.
• 6x19 and 7x19: Flexible; systems running over sheaves, hoists, fitness machines.
• 6x36 WS: High flexibility with a good abrasion balance; cranes and lifting applications.
• 18x7, 35x7 (rotation resistant): Ropes that do not spin under load; cranes making high lifts on a single fall.

Galvanized, stainless or lubricated?

Galvanized steel wire rope lasts long outdoors thanks to its zinc coating and is the most common choice for value. Stainless steel wire rope (AISI 304/316) suits marine environments, architectural applications and facilities that require hygiene. Lubricated (black) steel wire rope extends fatigue life on cranes and lifting equipment that run continuously over sheaves.

5 questions to choose the right rope

1. How much load will be carried? Multiply the working load by the safety factor to find the minimum breaking load required.
2. What is the environment? Is there moisture, salt, chemicals or high temperature?
3. Will the rope run over a sheave or drum? If so, you need a flexible construction and the right sheave diameter.
4. Should the rope be free to rotate? For freely suspended loads, consider rotation-resistant rope.
5. How will the end be terminated? Clips, turnbuckles, shackles or pressed fittings — each must match the rope diameter.

Just send us the answers to these questions. We listen to your application, recommend the right construction and diameter, cut the rope to size and ship it anywhere in Türkiye. For a quick price, use the quote form.