A tubular product includes a tubular body made of steel and having a tube wall which includes an opening. The opening is produced by a high-speed stamping process at a stamping speed of more than 4 m/s. The opening is situated in the tube wall in a region thereof which has a tensile strength Rm>800 MPa.
Tubular steel product
21.04.2020
Patent
Elektronische Ressource
Englisch
IPC: | F16L PIPES , Rohre / B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL , Bearbeiten oder Verarbeiten von Blechen, Metallrohren, -stangen oder -profilen ohne wesentliches Abtragen des Werkstoffs / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR |
Europäisches Patentamt | 2023
|STEEL ALLOY WITH HIGH ENERGY ABSORPTION CAPACITY AND TUBULAR STEEL PRODUCT
Europäisches Patentamt | 2020
|Steel alloy with high energy absorption capacity and tubular steel product
Europäisches Patentamt | 2022
|Engineering Index Backfile | 1935
SAE Technical Papers | 1957