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Chinese company successfully develops nickel-based alloy SUH660
publisherharris
time2020/06/15
- Chinese company successfully develops nickel-based alloy SUH660
In June 2020, the Chinese company developed a new product, the nickel-based alloy SUH660, using the electroslag process, which has so far been successful. Delivery of 10 tons. All the performance indexes of the product fully meet the customer's requirements, and the feedback from the customer after use is good.
The nickel-based alloy SUH660 is an age-hardened high-temperature alloy with high yield strength, durability and durability under 650℃. Creep strength, mainly used in the manufacture of automotive engine fasteners with high operating temperatures. The steel has a high titanium content and is prone to the formation of TiN inclusions, so the nitrogen content of the molten steel needs to be strictly controlled, and the nitrogen content of the steel needs to be controlled during the casting process. It is easy to form floc flow in the middle, and the effect of shrinkage is poor, which causes the problem of deep shrinkage hole.
In order to ensure the smooth progress of the first production, each department did a lot of preparatory work, including visits, research and development of technology, and the preparation of the first production process. Program, reserve special raw materials and so on. In order to ensure product quality, the technical staff follows the whole process and provides guidance to solve the problems in the smelting process. For the technical difficulties in the production of electroslag remelting and solid solution treatment, the relevant personnel of the Chinese company constantly look for information, adjust parameters, and provide technical support. In the end, the physical quality of the product achieved the desired effect.