| 1526 | "Uttenhofer Eisenhammer" (forging hammer) is mentioned for the first time |
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| 1687 | Manufacture of sheet steel, iron wires and tinplates under Veit Hans Schnorr von Carolsfeld | 
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| 1823 | First manufacture of nickel silver (Argentan) in Europe by Dr. Ernst August Geitner |
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| 1829 | Foundation of the "Argentan mill" in Auerhammer, gradual start of sheet metal, strip, wire, bar and profile production out of nickel silver, copper-nickel, bronze, tombac, brass, copper, and nickel |
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| 1858 | The company is taken over by Franz Adolph Lange and re-named "Dr. Geitner's Argentanfabrik F.A. Lange" | 
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| 1918 | Manufacture of copper-clad steel sheets |
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| 1931 | Incorporation of the joint-stock company "F.A. Lange Metallwerke A.-G." |
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| 1948 | Reconstruction of the dismantled factory and transformation into "VEB Halbzeugwerk Auerhammer", manufacture of steel sheets | 
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| 1950 | Start of development and manufacture of "special metallic materials" out of iron-nickel, iron-cobalt and iron-nickel-cobalt-alloys and thermostatic bimetals |
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| 1966 | Manufacture of parts for Cathode Ray Tube (CRT) out of sealing materials |
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| 1984 | Commissioning of a modern production line for strip products. Introduction of the cold bonding process. Manufacture of parts for colour Cathode Ray Tube (CRT) on a new production line. |
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| 1990 | Incorporation as "Auerhammer Metallwerk GmbH" | 
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| 1992 | Affiliation to "Vereinigte Deutsche Nickel-Werke AG", Düsseldorf | 
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| 1994 | Certificate according to ISO 9002 |
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| 2000 | Designated centre for flat-rolled products |
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| 2001 | Affiliation to the technology group Deutsche Nickel AG | 

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| 2003 | Certificate according to ISO 9001:2000 |
in March 2005
| AMW is affiliated to the DNICK Holding plc.
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