A continuous casting roller crystallizer
A mold and continuous casting roll technology, applied in the field of continuous casting roll molds, can solve the problems of low coating hardness, weakened wear resistance, unsatisfactory corrosion resistance, etc., and achieve improved coating performance and wear resistance. The effect of improving and anti-corrosion performance
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Embodiment 1
[0018] A continuous casting roll crystallizer, including a roll core and a roll surface, the roll core is hollow, cooled by cooling water, the base material of the roll surface is a copper alloy, and the copper alloy is electroplated with a nickel coating, wherein the composition of the copper alloy is determined by mass Percentage is: Ni: 3%; Be: 0.2%; Al: 1%, Zr: 1%; Mn: 0.2%; Mg: 3%; Sn: 0.05%; 0.8mm; the electroplating process includes the following process steps:
[0019] 1) Pretreatment: cleaning the surface of the continuous casting crystal roll with organic solvent, alkali degreasing, electrolytic degreasing, acid etching and activation treatment;
[0020] 2) Electroplating metal nickel: The composition of the electroplating solution is: nickel sulfamate 180g / l, nickel sulfate 50g / l, nickel chloride 20g / l, tin chloride 30g / L, boric acid 45g / l, dodecyl sulfonate sodium citrate 0.1g / l, sodium citrate 10g / l, o-benzoylsulfonimide 0.5g / l, propionic acid 0.2g / L; the electro...
Embodiment 2
[0022] A continuous casting roll crystallizer, including a roll core and a roll surface, the roll core is hollow, cooled by cooling water, the base material of the roll surface is a copper alloy, and the copper alloy is electroplated with a nickel coating, wherein the composition of the copper alloy is determined by mass The percentages are: Ni: 5%; Be: 0.05%; Al: 2%, Zr: 0.5%; Mn: 0.4%; Mg: 1%; Sn: 0.1%; the rest is Cu; 1.6mm; the electroplating process includes the following process steps:
[0023] 1) Pretreatment: cleaning the surface of the continuous casting crystal roll with organic solvent, alkali degreasing, electrolytic degreasing, acid etching and activation treatment;
[0024] 2) Electroplating metal nickel: The composition of the electroplating solution is: nickel sulfamate 220g / l, nickel sulfate 30g / l, nickel chloride 30g / l, tin chloride 20g / L, boric acid 55g / l, dodecyl sulfonate Sodium citrate 0.05g / l, sodium citrate 14g / l, o-benzoylsulfonimide 0.1g / l, propionic...
Embodiment 3
[0026] A continuous casting roll crystallizer, including a roll core and a roll surface, the roll core is hollow, cooled by cooling water, the base material of the roll surface is a copper alloy, and the copper alloy is electroplated with a nickel coating, wherein the composition of the copper alloy is determined by mass The percentages are: Ni: 4%; Be: 0.1%; Al: 1.5%, Zr: 0.8%; Mn: 0.3%; Mg: 2%; Sn: 0.08%; 1.2mm; the electroplating process includes the following process steps:
[0027] 1) Pretreatment: cleaning the surface of the continuous casting crystal roll with organic solvent, alkali degreasing, electrolytic degreasing, acid etching and activation treatment;
[0028] 2) Electroplating metal nickel: The composition of the electroplating solution is: nickel sulfamate 200g / l, nickel sulfate 40g / l, nickel chloride 25g / l, tin chloride 25g / L, boric acid 50g / l, dodecyl sulfonate Sodium citrate 0.08g / l, sodium citrate 12g / l, o-benzoylsulfonimide 0.3g / l, propionic acid 0.4g / L; ...
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