Quality | Standard | Material No. | Available coatings |
---|---|---|---|
HX260BD | DIN EN 10346 | 1.0924 | +Z, +ZA, +ZF, +ZM, +AZ, +AS |
Testing direction | Yield strength Rp02 (MPa) | Bake-Hardening- Index BH2 | Tensil Strength Rm (MPa) | Elongation A80 (in %) |
---|---|---|---|---|
Q | 260 – 320 | 30 | 360 – 440 | ≥ 28 |
C % | Si % | Mn % | P % | S % | Al % | Nb % | Ti % |
---|---|---|---|---|---|---|---|
≤ 0,10 | ≤ 0,50 | ≤ 1,00 | ≤ 0,10 | ≤ 0,030 | ≥ 0,010 | ≤ 0,09 | ≤ 0,12 |
The hot-dip galvanized steel HX260BD in accordance with the EN 10346 standard is a specialized bake-hardening steel (BH steel) that combines optimum cold forming properties with a subsequent increase in strength. Under the material number 1.0926, HX260BD has a minimum yield strength Rp0.2 of 260 N/mm² in its initial state. The bake-hardening effect comes into play for the first time during the paint hardening process in the furnace – at around 170 °C for around 20 minutes: the yield strength can be increased by typically 30-50 N/mm² without impairing the original ductility. At the same time, hot-dip galvanizing in accordance with EN 10346 gives the material homogeneous, long-lasting corrosion protection, which ensures efficient rust prevention throughout the vehicle life cycle.
Properties
HX260BD is characterized by a balanced profile:
Applications
In the automotive industry, HX260BD plays a central role in components that are first embossed in a soft state and then hardened in a paint oven. Typical areas of application are
Thanks to the first-class cold formability, low springback and the bake-hardening effect, components can be developed that offer greater rigidity and improved safety in the finished vehicle.
Conclusion
The hot-dip galvanized steel HX260BD (1.0926) in accordance with EN 10346 combines excellent formability with a controllable bake-hardening effect and long-lasting corrosion protection. This material is predestined especially for the automotive industry to produce highly complex car body components with optimized crash performance and corrosion resistance. The combination of targeted strength increase in the oven and reliable zinc coating makes HX260BD a future-proof solution for modern vehicle concepts.
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