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Darkbulb, unfortunately many know little about metallurgy and its application regarding stress loads, wear, etc. I don't profess to be one, but obviously one not need be a NASA scientist to understand that you don't need a drop forged part for every application. After all, a 737 isn't milled from a solid block of titanium. Different metals & alloys work well for certain applications as there is no real load or stress risers on them. As well, this is merely a shaving instrument and not something that is being launched into interstellar space.