corrugated

Refers to a material made of fluted corrugated sheet and one or two flat linerboards, commonly used for making boxes.

Wellblech

Refers to sheet iron or steel that has been shaped into parallel ridges and grooves, often used for roofing and walls.

in Wellenform gebogenes Eisenblech zur Erhöhung der Festigkeit

Wellmetall

A general term for any metal sheet that has been shaped into a corrugated pattern for added strength.

Ein allgemeiner Begriff für jedes Metallblech, das zur Erhöhung der Festigkeit in ein Wellenmuster geformt wurde.