Lockport Secondary Smelting and Refining Nonferrous 500 Mill St Milward Alloys manufactures hardeners, grain refiners, modifiers and deoxidants for the aluminum and copper melting industries. Lockport NY Secondary Smelting and Refining Nonferrous Milward Alloys Inc www.milward.com aluminum alloys copper alloys master alloys alloying additives milward alloys phosphorus copper hardeners grain refiners modifiers deoxidants non-ferrous metal casting metallurgical industry aluminum alloys copper alloys master alloys alloying additives milward alloys phosphorus copper hardeners grain refiners modifiers deoxidants non-ferrous metal casting metallurgical industry Business Reviews Milward Alloys Inc Testimonials