New Castle Steel Mills 516 W State Road 38 Leading producer of specialty materials - stainless steel, tool steels, titanium, nickel alloys, silicon electrical steels, high temperature alloys and high performance metals New Castle IN Steel Mills Allegheny Ludlum Corp www.alleghenyludlum.com stainless steel titanium tool steels nickel alloys high temperature alloys stainless steel sheet specialty materials stainless steel plate electrical steels specialty metals stainless steel strip Allegheny Ludlum high performance metals stainless steel titanium tool steels nickel alloys high temperature alloys stainless steel sheet specialty materials stainless steel plate electrical steels specialty metals stainless steel strip Allegheny Ludlum high performance metals Business Reviews Allegheny Ludlum Corp Testimonials