Rust prevention for CS flanges

2017-07-08View Original

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Rust prevention for CS flanges: 1. Purchased CS flanges are coated with oil and need to be cleaned; however, they tend to rust before welding. How should this be dealt with? After the 2 flanges are aligned and installed, are there any specifications regarding the sealing surface? Is it necessary to apply rust preventive oil? What standard terms? Which rust preventive oil should be used?

Reply #22017-07-11

When the device port CS flange is shipped without any oil applied, and then transported by sea, a thick layer of rust will definitely form. Could this lead to complaints?

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Rust prevention for CS flanges

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