Honeycomb body with flexible connecting points, exhaust-gas treatment unit and motor vehicle

A honeycomb body, comprising:

• at least one at least partially structured sheet-metal foil and at least one smooth sheet-metal foil defining a multiplicity of channels therebetween;
• said at least one at least partially structured sheet-metal foil having a course direction and having top-side connecting points and bottom-side connecting points to itself or to at least one other smooth sheet-metal foil or structured sheet-metal foil, said at least one at least partially structured sheet-metal foil having a structure with elevations and depressions, and said connecting points being formed alternately outwardly on said elevations and said depressions in said course direction, said elevations and said depressions being structure extrema, and said connecting points having a mutual spacing therebetween including at least 15 of said structure extrema in said course direction;
• and
• at least said top-side connecting points or said bottom-side connecting points defining a curved connecting line and expansion joints formed between said connecting points of said curved connecting line.