Lightweighting vehicles and molds through dissimilar metal joining! Explosive bonding joints and cladding.
Achieve high durability and lightweight design with structural dissimilar material joints that enable strong bonding between lightweight metals such as aluminum, magnesium, titanium, and steel materials!
Asahi Kasei Corporation has developed an explosive welding technology that utilizes the instantaneous high energy generated when explosives detonate to metallurgically join dissimilar metals through cold welding. This product ensures durability by firmly joining lightweight metals (aluminum, magnesium, titanium) with steel materials, significantly contributing to the reduction of weight in vehicles, ships, molds, and more. ■STJ(R) "Structural Transition Joint" STJ(R) is a compact and highly durable structural joint that enables the welding of aluminum alloy structures to carbon steel or stainless steel components in a unified structure. ■Flame-retardant Magnesium Alloy Joint A structural joint made of flame-retardant magnesium alloy and aluminum alloy or stainless steel. *For more details, please refer to the PDF document or feel free to contact us.
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basic information
The ship structure dissimilar material joint STJ(R) has obtained certification from the Japan Maritime Association (NK), Lloyd's Register (LR), Det Norske Veritas (DNV), Korean Register (KR), Kyushu Transport Bureau (JG), Bureau Veritas (BV), and American Bureau of Shipping (ABS).
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Applications/Examples of results
Transportation equipment such as vehicles like trains and cars, and vessels (LNG ships, patrol boats), etc.
Company information
BA Clad is a clad steel plate manufactured by Asahi Kasei using the explosive welding method, and it has received high praise in various fields since its launch. The explosive welding method utilizes the enormous energy released during an explosion to instantaneously bond metal plates together, thereby producing clad steel plates. BA Clad is used for plants and equipment in the chemical industry, petroleum refining, petrochemicals, and power generation, and is exported widely both domestically and internationally, either as flat plates or various components. It is used as corrosion-resistant and heat-resistant structural materials for power plant condenser tube sheets, heat exchanger tube sheets for chemical plants, shells, and end plates, among others, and its applications are continually expanding to include rolling mill liners, electrodes, ultra-low temperature joints, ultra-high vacuum joints, and structural joints for ships and LNG tankers. We propose solutions related to metal joining (dissimilar metal joining, similar metal joining) and cladding. We can provide joining characteristics such as material properties, joining strength, minimization of alloying at the joining interface, and joining area that are difficult to achieve with other joining methods, such as various welding techniques, diffusion bonding (roll bonding, HIP, etc.), friction joining (friction welding, friction stir welding (FSW)), electromagnetic pressure welding, brazing, plating, and thermal spraying.
