Marine-grade stainless steel (316 grade) is a highly durable material used in harsh environments like offshore rigs, capable of withstanding 50 years of outdoor exposure including rain and snow while maintaining its structural integrity and functionality, such as laser-etched QR codes that remain scannable over decades.
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What $49 buys that outlives youAdded:
I spent 30 years building bridges, so I know metal. This little plaque is 316 marine grade stainless steel. Same grade they use on offshore rigs. 50 years outdoors, rain or snow, and the laser etched code still scans. You fix it to the stone, someone scans it, and her whole memorial opens free forever. $49 once. I have spent more on a tank of gas.
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