Welded stainless honeycomb panel

As high-durability stainless steel has become a popular construction material for building exteriors, Posco and Hanlim E & C developed, in two years, a stainless honeycomb panel that is lighter and flatter than existing panels. The new honeycomb panel is an example of mutual co-operation between Posco, with its skill in processing stainless steel, and its customer company Hamlin E & C.
The existing honeycomb panel, developed in the USA in the 1930s, is an aluminium sheet of hexagonal structure, bonded to stainless steel sheets much like a sandwich. Because of its strength and light weight, it is widely used for the interior and exterior construction of aeroplanes, trucks and trains. The panel’s one shortcoming is that the honeycomb structure, which is bonded to the steel sheets with an adhesive, can separate over time.
Hanlim E & C, Posco Technical Research Laboratories and the Research Institute of Industrial Science and Technology developed the new panel by welding the stainless steel honeycomb core, which is much stronger than aluminium, to the external stainless steel sheets. The new honeycomb panel is more durable and productive than the existing panel and it is recyclable.
Prior to full sales of the new panel, Hanlim E & C received a Korean patent last January and has applied for patents in the USA, Japan, EU, China and elsewhere. Since the panel was highly rated by the International Preliminary Examining Authorities (IPEA) last year, the patents are expected to be issued soon.
Additionally, as the construction and design industries are placing a high value on new construction materials, the market outlook for the welded stainless steel honeycomb panel is very optimistic. The Construction and Economy Research Institute of Korea has also stated that 700 large buildings in Seoul will need repairs in the next five years, creating further demand for the new honeycomb panel.

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