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Designing products using ASTM A653.

Designing products using ASTM A653.

Designing products using ASTM A653.

(OP)
I am designing a battery tray and want to use ASTM A653 (Deep draw) grade of sheet stock for this part. The depth of the part is 12mm. However, I believe when the part is complete I will be left with exposed edges from when the part was blanked out from the 2 mm thick sheet stock.

Will I need to touch the edges of the part to protect it from corrosion or will the zinc plate self heal over the 2mm edge?

RE: Designing products using ASTM A653.

A battery tray to contain spills of electrolyte?

Acidic electrolyte?

Zinc plated is not a good choice.

RE: Designing products using ASTM A653.

(OP)
These are sealed lithium modules. I don't think there is much risk of that but you never know.

My thought is that I will need to powder coat the part to completely sure that the part does not corrode but that impacts design to cost.

RE: Designing products using ASTM A653.

There is some protection of cut edges by the zinc coating on adjacent sides of the steel sheet.

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