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Coating on Hardened EN31?

We would like to coat a corrosion resistant coating on EN31 components hardened to Rc 59 to Rc63. The coating should offer corrosion resistance of about 240 Hrs. in Neutral Salt spray. Please suggest a good and economical coating. Surface finish of Ra 1.2 micron after coating or better would be preferred.

Kshitij Gaikar
product designer - Mumbai, Maharashtra, INDIA
September 26, 2008

Cathodic Electro-Deposited Black paint is a good economical non embrittling coating that will suit your function.

Khozem Vahaanwala
Saify Ind

Bengaluru, Karnataka, India

October 7, 2008

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