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You are here : section steel--Katalor steel > News > 正文High quality weathering JIS G3125 SPA-H H beam steel in Katalor

High quality weathering JIS G3125 SPA-H H beam steel in Katalor

The core of weathering JIS G3125 SPA-H H beam steel composition design is to ensure its atmospheric and seawater corrosion resistance. Katalor is a well-known supplier and exporter in China with hiagh quality JIS G3125 SPA-H H beam steel. And the quality of JIS G3125 SPA-H H beam steel depend on elements.

The results show that Cu is the most important element for JIS G3125 SPA-H H beam steel weathering resistance, and Ni has little effect on weathering.
Copper acts as an active cathode in the JIS G3125 SPA-H H beam steel. The Cu precipitated from the surface of the steel containing copper can promote the anodic passivation of the JIS G3125 SPA-H H beam steel, form a dense and good adhesion protective rust layer, and reduce the rate of corrosion of the matrix in the external medium.

The addition of P helps to improve the corrosion resistance of JIS G3125 SPA-H H beam steel base. Phosphorus is an anodic depolarizing agent, which can promote even dissolution and corrosion of JIS G3125 SPA-H H beam steel surface, increase the polarization resistance of rust layer on steel base surface, and slow down corrosion medium entering JIS G3125 SPA-H H beam steel substrate.

More information in the Katalor, and we are gald to help you. So if you are looking for the JIS G3125 SPA-H H beam steel, please contact us freely. We have professional team in JIS G3125 SPA-H H beam steel to give you the best price. Welcome to buy JIS G3125 SPA-H H beam steel from Katalor!