For example it is so possible to produce construction units from steel with minimum weight as one can illustrate it usually only very complex over the GRP components technology. Due to the high basic costs the automobile industry is main beneficiary of the HyFo of procedure at present. Energy absorbing bumpers, window frameworks with integrated rollover protection or chassis components is some sample applications. In the modern engine technology connections of high pressure injection are produced by HyFo. A further field is the calibration of construction units, as it is necessary in aluminum Spaceframe. With the new pressure body pressure this technology becomes now lucrative for many further ranges of application. The development of bicycle components is at present concrete. Everywhere, where small weight is demanded paired with high firmness, HyFo of construction units can offer outstanding values. A further aspect of the HyFo comes by the good flow characteristics from high-grade steel to carries. High-grade steel is by its corrosion resistance and good availability preferential material with particularly strained construction units. Plastics and leichtmetalllegierungen are so far however preferred everywhere, where the weight, complex forms or large series are demanded. In combination with HyFo it is now possible to illustrate the construction units with comparable weight and clearly higher strengtheningnesses in high-grade steel.