A vehicle door includes a window frame and a lower surface portion formed jointly with the window frame in one piece from a hot formed and press hardened sheet metal plate which is made of a steel alloy which includes, in weight-%: Carbon 0.33-0.38, Silicon 0.2-0.7, Manganese 0.7-1.2, Phosphorus max. 0.03, Sulfur max. 0.02, Boron 0.002-0.005, Chromium 0.6-1.0, Copper max. 0.12, Nitrogen max. 0.005, Titanium 0.015-0.025, Nickel 1.5-2.0, Molybdenum 0.2-0.6, Tin max. 0.04, and as optional components Aluminum 0.006-0.08, Niobium 0.02-0.05, with a balance being iron and incidental impurities. At least the lower surface portion has a Brinell hardness of 500 to 600 HB and a yield strength of 1,200 to 1,450 MPa, wherein the lower surface portion and/or the window frame has a wall thickness of at least 6 mm.


    Access

    Download


    Export, share and cite



    Title :

    VEHICLE DOOR OF ARMOR STEEL


    Contributors:

    Publication date :

    2022-10-20


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge / F41H Panzerung , ARMOUR



    VEHICLE SENSOR ARMOR SYSTEM

    FOUNTAIN MARK | European Patent Office | 2021

    Free access

    Adjustable Combat Vehicle Armor

    V. H. Pagano / W. J. Seyfert | NTIS | 1980


    Vehicle sensor armor system

    FOUNTAIN MARK | European Patent Office | 2021

    Free access

    Flexible Honeycomb Composite Vehicle Armor

    Pannikottu, Abraham / Bandaru, Sunil | SAE Technical Papers | 2009