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topic 60810

Corrosion of SAPH440 steel packed in VCI bags

July 30, 2018


SAPH = a structural automotive hot rolled steel
VCI = volatile corrosion inhibitor

Q. We metal press SAPH440 steel and pack for delivery sprayed with oil and placed in VCI bags. The parts are packed in boxes 10 by 5; strangely enough the middle 4 pallets seem to have a reoccurring rust effect each delivery.

Any opinions, I would be grateful.
Thank you.

Azhar Hussain
employee - Birmingham, U.K.

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