C21D 8/00 Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment (hardening articles or materials formed by forging or rolling with no further heating beyond that required for the formation C21D1/02)
Introduced: January 1980
Title
Titles differ between systems:
IPC: Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
CPC: Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment (hardening articles or materials formed by forging or rolling with no further heating beyond that required for the formation C21D1/02)
Full Title
Full titles differ between systems:
Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment (hardening articles or materials formed by forging or rolling with no further heating beyond that required for the formation C21D1/02)
IPC and CPC are identically structured here. All 4 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 1980.
Child Classifications
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