Good day What is the appropriate grease for galvanized steel wire rope 6XWS36+IWRC use for wire falls boats on a vessel

This is indeed true - for a galvanised steel wire rope 6×WS36 + IWRC on board a ship, the Shell Gadus S3 Wire Rope A is an excellent choice. It is specially developed for marine applications and meets the following criteria:

✅ Why this product is suitable:
Optimal lubrication: This thick, semi-fluid coating grease forms a robust film around the wire rope, protecting it from wear, friction and salt.
Inner and outer layer protection: For wire ropes with IWRC construction, it is essential that both the core and outer layer remain well lubricated.