The basic material is wire rod, which is cold-drawn into wire of different diameters and strength grades.
The most common grades are:

Rope grade

Wire tensile strength grades

Hardness app.

EN API 9A Min Max Brinel Rockwell
    kp/mm²  N/mm²  kp/mm²  N/mm²  HB  HRC
1570 PS 140 1370 180 1770 405/425 45
1770 IPS 160 1570 200 1960 445/470 49
1960 EIPS 180 1770 220 2160 70/480 51
2160 EEIPS 200 1960 220 2160 480/500 52

Finish
The wire is either untreated (bright), galvanised or stainless. Galvanised wire gives the rope greater protection for corrosive environments. For extreme cases a stainless rope is used. Steel wire ropes can also be provided with plastic impregnation.

Wire_225mm