Bending refers to a term typically applied to a metal forming process. It is the creation of a formed feature by angular displacement of a sheet metal workpiece.

The straining of material , usually flat sheet or strip metal, by moving it around a straight axis lying in the neutral plane. Metal flow takes place within the plastic range of the metal, so that the bent part retains a permanent set after removal of the applied stress. The Cross section of the bend inward from the neutral plane is in compression; the rest of the bend is in tension.

-see also:
"Bending" is in the HS Code "8465.94"
  - -- Bending or assembling machines

"Bending" is in the UNSPSC Code "23101504"
  Bending machines

Ref: 122391/2006-09-22

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