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4'' Ball Bearing Door Hinges Stainless Steel Heavy Duty Hinges 4 x 4 inch with 5/8 Inch Radius Corners Commercial Grade Door Hinges 3 Pack (Silver) - Amazon.com
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How do I figure out what these door hinges are made out of? I think they are brass or bronze…wanna melt them down to experiment with casting. : r/Metalfoundry
![6 Pack Non-Mortise Door Hinges - Easy to Install, 4" × 3" Stainless Steel Door Hinges - Smooth Movement and Heavy Duty, Silver - Amazon.com 6 Pack Non-Mortise Door Hinges - Easy to Install, 4" × 3" Stainless Steel Door Hinges - Smooth Movement and Heavy Duty, Silver - Amazon.com](https://m.media-amazon.com/images/I/512G58Rl1ML.jpg)
6 Pack Non-Mortise Door Hinges - Easy to Install, 4" × 3" Stainless Steel Door Hinges - Smooth Movement and Heavy Duty, Silver - Amazon.com
![Everbilt 3-1/2 in. x 5/8 in. Radius Matte Black Door Hinge Value Pack (24-Pack) 16510 - The Home Depot Everbilt 3-1/2 in. x 5/8 in. Radius Matte Black Door Hinge Value Pack (24-Pack) 16510 - The Home Depot](https://images.thdstatic.com/productImages/014e260e-0784-47f6-b21c-2d9909beff48/svn/everbilt-door-hinges-16510-64_1000.jpg)
Everbilt 3-1/2 in. x 5/8 in. Radius Matte Black Door Hinge Value Pack (24-Pack) 16510 - The Home Depot
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