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According To The Surface State Classification
Jun 03, 2017

1. Phosphating coating wire rope (Chinese patent), referred to as phosphating wire rope, rope steel wire phosphating film thickness of 3-60 grams / square meter, after the twisting of the steel wire is not cold-drawn, straight twisted yarn , Steel core and wire rope, phosphate film can improve the surface of the rope wire wear resistance, corrosion resistance, effectively inhibit the occurrence of fretting fatigue. Wire rope steel phosphating treatment, the priority of the use of manganese or zinc-manganese phosphate, steel wire after the phosphate does not carry out any drawing, the direct use of phosphating steel wire twisting wire rope, the phosphate coating surface wear more wear, And phosphating film is not conductive, can simultaneously improve the corrosion resistance of steel wire, the use of phosphating wire rope life is 2-3 times the smooth steel wire rope, wire rope fatigue performance greatly improved. [1] Phosphating steel wire rope is not only an ideal substitute for smooth steel wire rope, but also fully capable of replacing imported wire rope

2. Galvanized steel wire rope, including hot-dip galvanizing and electro-galvanized two methods, galvanized layer of steel wire protection is anodic protection, the thicker the greater the corrosion resistance of galvanized layer

3. Coated steel wire rope, in the outer surface of the rope or the outer surface of the rope coated with a certain thickness of plastic, including polyethylene, polypropylene, polyurethane, etc.

4. Smooth steel wire rope, after heat treatment and surface preparation of raw materials obtained after the cold drawn wire rope (Note: the formation of the process of pretreatment of the phosphate film in the cold drawing process with the drawing die friction gradually fall off), the wire is no longer After any surface treatment directly twist the rope, steel core and wire rope, foreign production began in 1834, the domestic first steel wire rope factory in 1939 began production


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