During WW2 the Germans had a shortage of copper for cartridge cases and initally trialled sintered iron as a material for driving bands on artillery shells another major useage. It proved to be less...
Type: Posts; User: Marty Henry
During WW2 the Germans had a shortage of copper for cartridge cases and initally trialled sintered iron as a material for driving bands on artillery shells another major useage. It proved to be less...