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Zibo ShiNaite anti - corrosion Technology Co., Ltd

Contact: Wang Zhong

mobiles: 17663023308 15589303703

E-mail: chinashinaite@163.com

Fax: 0533-7070433

Address: Zibo City, Shandong Province Linzi District Qilu International Plastic City fine plasticized area 11-1

Website: www.ssttme.com.cn

Nickel phosphorus plating

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Nickel phosphorus plating

  • category:Nickel phosphorus plating

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  • Release date:2017/09/27
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Nickel-phosphorus alloy plating:

The new alloy plating is my company and a professional R & D center, after more than 10 years of continuous testing and practice of high-tech new products, opened up a new era of metal surface treatment, compared with the traditional alloy plating, wear resistance, corrosion resistance Significantly improved, my company's new technology is the use of chemical replacement reaction, through the infiltration and deposition, and the workpiece itself reacts to form a new alloy layer, so the combination of strong, in the 350 ~ 400MPa, not skin, do not fall off, performance is very stable.

The following table for my company's new alloy plating and traditional electroplating contrast:

Product performance:

Corrugated mediaconcentrationtemperatureCorrosion rate mm / year

Alloy layerCr16N19 stainless steel

Sulfuric acid10%25℃0.021021.5-1.8

Hydrochloric acid10%25℃0.052131.5-1.9

Caustic soda10%25℃0.000130.04-0.05

salt3.50%25℃0.001210.05-0.5

Product hardness:

materialPre - catalytic hardnessCatalytic hardnessThe hardness after heat treatment

Powder metallurgyHV202HV5761058 1120 1180

Steel PipeHV190HV5541115 1186 1200

cast ironHV222HV2011092 1186 1200

Steel plateHV127HV5281104 1082 1196

copperHV127HV5101135 1109 1200

Comparison of alloy layer and electroplating performance:
Compare itemsPlatingAlloy layer
ExteriorDark to light layerSemi bright to bright
structureCrystal stateAmorphous state
density8.97.9
Evenlydifferenceit is good
Hardness (plated state)HV200-400HV519-572
Hardness after heat treatmentNo changeHV824-HV933
Abrasion resistanceQuite wellExcellent
Porosityhighlow
Corrosion resistanceSee Table 1See Table 1
The alloying layer is compared with electroplating (HF40%):
Sample numberApproachSample weightRe-test weightweightlessnessRotting speed
(G)(G)(G)(G / day, square meter)
1catalytic86.451186.4752Weight gain
plating86.03287.57880.45320.656
2catalytic86.45786.64440.00130.0002
plating87.254186.65430.59980.843
3catalytic87.02387.0220.0010.00014
plating87.091887.08880.0030.0043
4catalytic86.833287.8621Weight gain
plating86.057486.68230.59310.847
5catalytic86.705487.7384Weight gain
plating90.27189.79320.47860.604


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