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DH 21

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Journal Articles
Publisher: Journals Gateway
Alloy Digest (2010) 59 (12): TS-695.
Published: 01 December 2010
... DH 21 is a hot work die steel with excellent heat check resistance, excellent mechanical properties at high temperatures, excellent temper resistance, excellent oxidation resistance, and excellent nitriding properties. The alloy was developed to extend the life of aluminum die cast molds...
Journal Articles
Publisher: Journals Gateway
Alloy Digest (2014) 63 (3): SA-697.
Published: 01 March 2014
... For SAW (wire/flux), Bölher 3NiCrMo 2.5 UP/BB 24 can be used. General Characteristics: Structure. This alloy is melted in an electric arc furnace and refined using either a VOD or DH process. These processes ensure a stringent control of the chemical analysis and an extremely low level of residual...