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December 13 - December 21, 2015

Should you paint the stainless steel outfitting (ladders, supports, etc.) in steel cargo tanks of chemical tankers?

Selected Answers

From Chang-Beom Park of TCO FGP at DSME on October 19, 2016:
The stainless steel should be coatedwith a minimum 50 mm overlapped from the carbon steel to the stainless steel accessory.

From Daniel Robles of General Dynamics Nassco on October 6, 2016:
I feel if the stainless steel was damaged during abrasive blasting, (ricochet over-blast), it would make sense to coat it. There are also some instances where paint is applied to match surroundings.

From Feng Min of Andritz Hydro on March 21, 2016:
Stainless steel is not always painted,This depends on the environments it serves. For chemical tankers, based on their severely corrosive environments, stainless steel should be painted.

From David Leyland of Painting Solutions on December 17, 2015:
Of course! To not paint the SS is to believe the coating on the carbon steel will forever remain pinhole free. Based on the catchment area principle, the uncoated SS would be a powerful cathode and cause an accelerated rate of corrosion at any pinhole.

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Tagged categories: Asia Pacific; Coating Application; EMEA (Europe, Middle East and Africa); Latin America; North America; Stainless steel; Tank exteriors

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