Comments on: Unified Numbering System(UNS) for metals and alloys https://castingquality.com/casting-technology/unified-numbering-systemuns-used-for-metals-and-alloys.html Specialized in Sand Casting, Investment Casting and CNC Machining in China. Material cover Cast Iron, Carbon Steel, Stainless Steel and Alloy Mon, 22 Oct 2018 03:30:06 +0000 hourly 1