This video www.RexMetals.com reports on aerospace metals Invar. The video hastelloy X, goes through Invar invented, its uses, discoveries and modern Metal. (https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjtrxG9XW6nkOUQY6d4j5Kv31uH18x1H-1ylc79FtRDCeneblTYnMRHw-iKvKAsC9F7Vo37NEHCs-YOPx26_XXPsgvrKm7hRx_u8820hMGH9TdOOwk4iat5kIvY7nApe_mCk1p-RpUp_j_X/s72/Invar_steel,_hastelloy_X.jpg)
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