TUM Classification System - Metallurgy

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HUE 000Within this Subject; not further Classified

HUE 001Metallurgy in General, Iron and Steel Industry

HUE 020Metallurgical Plants

HUE 100Metallurgical Methods

HUE 200Purification; Refining

HUE 300Ferrous Metallurgical Technology (Black Iron Metallurgy)

HUE 400Blast-Furnaces; Blast-Furnace Operation

HUE 500Steel Production; Steel Metallurgy

HUE 700Non-Ferrous Metallurgy (Non-Ferrous Metallurgical Technology)

HUE 800Heat Treatment (Thermo-Mechanical Treatment) Ofmetals; Steel Refinement

HUE 990Other

HUE 000: Within this Subject; not further Classified
HUE 001: Metallurgy in General, Iron and Steel Industry
HUE 020: Metallurgical Plants

Chipless Forming, Casting see FER 210 ff
- HUE 030: Planning and Construction
- HUE 040: Equipment
- HUE 050: Energy and Power Management
- HUE 060: In-Plant Transport
- HUE 070: Metallurgical Plant Laboratory
- HUE 090: Other
HUE 100: Metallurgical Methods
- HUE 110: Pyrometallurgy
- HUE 120: Hydrometallurgy
- HUE 130: Electrometallurgy
- HUE 140: Extractive Metallurgy
- HUE 150: Vacuum Metallurgy
- HUE 170: Ladle Metallurgy (Secondary Metallurgy)
- HUE 180: Other
HUE 200: Purification; Refining
- HUE 220: Scrap Management
- HUE 250: Slag; Slag Recycling
HUE 300: Ferrous Metallurgical Technology (Black Iron Metallurgy)
- HUE 320: Pig Iron Production (Direct Reduction, Sponge Iron, Smelting Reduction,...)
  - HUE 340: Raw Materials and Additives for Blast-Furnace Operation (Batch)
    - HUE 350: Iron Ores; Pellets
    - HUE 360: Additives
  - HUE 370: Combustibles; Blast Furnace Coke
  - HUE 390: Other
HUE 400: Blast-Furnaces; Blast-Furnace Operation
- HUE 420: Hot-Blast Stoves in General
- HUE 440: Charging
- HUE 460: Blast-Furnace Gases
- HUE 490: Other
HUE 500: Steel Production; Steel Metallurgy

Sponge Iron see HUE 320

Steels in General see WER 130 ff
- HUE 520: Converter Air Refining
  - HUE 525: Bessemer Process
  - HUE 535: Thomas Process
- HUE 540: Converter Oxygen Refining
  - HUE 545: Linz-Donawitz Process (LD Process)
  - HUE 555: Other
- HUE 560: Hearth Refining in General
  - HUE 570: Siemens-Martin Process
- HUE 580: Crucible Steel Production
- HUE 600: Electric Steel Production
  
  Electric Furnaces in General see ELT 940 ff
  - HUE 620: Electric Arc Melting; Electric Arc Furnaces
  - HUE 640: Induction Melting, Induction Furnaces
  - HUE 660: Resistance Furnaces
- HUE 690: Other
HUE 700: Non-Ferrous Metallurgy (Non-Ferrous Metallurgical Technology)

Non-Ferrous Metals in General see WER 300 ff
HUE 800: Heat Treatment (Thermo-Mechanical Treatment) Ofmetals; Steel Refinement
- HUE 840: Annealing; Stress-Relief Annealing
- HUE 880: Hardening and Tempering
- HUE 920: Hardening (Quench Hardening) in General
  
  Solidification see WER 043
  - HUE 930: Surface Hardening
  - HUE 940: Case Hardening
  - HUE 945: Carburizing
  - HUE 950: Nitriding
- HUE 960: Tempering
- HUE 980: Others on Heat-Treatment of Metals
HUE 990: Other