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Copper high temperature alloy welded joint NT-7-18
Copper high temperature alloy welded joint NT-7-18

Solderable materials: Full range of copper solderable types: High temperature materials (nickel-based alloys) specifications: NT-7-18, NT-8-18, NT-13-28, NT-28-45(the first number in the model indicates the length of the needle, the second number indicates the diameter of the shaft shoulder)(customized if special requirements) application: traffic, electrical, printing, electronic and pharmaceutical industries characteristics: no need to add solder, no need of other welding materials, beautiful after welding, low residual stress, strong joint performance, high fatigue strength, stable product quality and greatly reduce welding costs.

Copper alloys are widely used in transportation, electrical, printing, electronic and pharmaceutical industries for their excellent conductivity, heat conductivity, ductility and corrosion resistance, said friction stir welding. Traditional welding: the commonly used welding methods for copper alloys are gas welding, ARC welding, Gas metal arc welding welding, submerged arc welding, Plasma arc welding welding, etc. , the above welding methods are easy to cause the defects such as difficult fusion, easy to deform, easy to produce hot crack, easy to produce blowhole, and the decline of welding joint performance. FRICTION STIR WELDING: Since 2004, the company has been exploring the process of friction stir welding copper alloy, and has successfully realized the welding of 3mm copper plate with self-developed friction stir welding equipment. The copper and its alloys are welded by friction stir welding method without the addition of filler metal, it is also possible to obtain a joint with excellent properties without other welding materials, such as beautiful appearance after welding, low residual stress, strong joint performance, high fatigue strength, stable product quality and low welding cost.