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Home > Flange's News > Technology > View  
Technology

The New Technology – Rust Prevention of Black Coating for Steel Flanges

Views:   Post Date: 12/7/2011 8:46:41 AM

 

As we known that carbon steel flanges was fast rusty without any prevention, usually we use oil or paint coating surface of flanges to rust prevent, even we make galvanize coating for steel flanges, but it is more expensive than the first method whatever cold galvanizing or warm galvanizing.

     

The ANSI, ASME, ASA standards steel flanges usually with black paint coating for rust prevention, it is a cheap but useful way to let flanges have long service life, but there is a weakness of black paint coating (photo - 1), paint was not so strong to stick on flanges surface, easy to peel off from flanges. How to make strong black coating on flanges surface? Now there is a new technology - Phosphating Antirust Processing, after phosphating treatment, it was the same beautiful black color but very strong stick on flanges surface (photo - 2), you can’t peel the coating layer off easy, very strong sticking but also very cheap. Jinan Hyupshin Flanges Co., Ltd have used this new technology for flanges black coating instead of common black paint coating, if you are interesting to our products, welcome to touch us for now cooperation. We will provide the best price, best products and best delivery time to you!

Thanks for read!

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