The technical conference on the test method for cyclic salt spray corrosion resistance of continuous galvanizing and batch galvanizing has been successfully held

2024year11Month, Shanghai Yunding Company collaborates with the United StatesQ-LabThe company participated in the event hosted by the Hot Dip Coating Professional Committee of the Chinese Society of Corrosion and Protection in Tangshan“The 15th China Hot Dip Galvanization Conference and China2024 The 7th Forum on the Development of Continuous Hot Dip Galvanization of Strip Steel”And deliver a speech on the theme of "Salt Spray Corrosion Testing in the Steel Industry".

The content of the speech is closely related to the professional fields of the attending representatives, describing the basic principles of metal corrosion, namely the various results and correlations brought about by the mutual influence of water, oxygen, and ions. For example, humidity affects deliquescence andRHThe impact of temperature on oxygen, the relationship between rainfall and ion concentration, the correlation between ion concentration and corrosion rate, and so on. It also introduced the key corrosive ions and their relationship with corrosion results, as well as the traditional continuous salt spray test（NSSNeutralAASSAcidicCASSThe characteristics of copper acetate acceleration and its limitations in practical application testing, as well as the advantages of cyclic corrosion testing methods, are more correlated with real salt spray corrosion. For example, cyclic corrosion under intermittent spraying of salt solution and humid conditions, accelerated and acidic tests that switch between dry and wet conditions.

Finally, the installation requirements for salt spray boxes, the evaluation of settlement and the use of reference plates, as well as the evaluation methods for quality loss results, some strict automotive testing standards, and the basic requirements that salt spray boxes that meet these standards should have were introduced.

The report aroused widespread interest and lively discussion among the guests present.

Other products suitable for the steel industry by Shanghai Yunding Company include:Q-Lab（QUVAgingQCTCondensation humidity, Q-Sun xenon lamp aging test chamber)KuraboInfrared oil film thickness gaugeHunterLabColorimeter, reflectance, glossinessDJHDrilling thicknessSpecMetrixComprehensive detection scheme for interference film thickness, providing industry standard detection technology and equipment solutions for the industry.