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Francis runner for hydro power generator
Francis runner for hydro power generator
Supplier Info
[China Supplier]
Contact Person : Mr. Xu Chao
Tel : 86-24-89892489
Fax : 86-24-89896958
Product Detail
1. High dense runner 2. Have related products made for many international companies 3. Min. order is from 1 piece.

The Electroslag Casting technology(ESC) is developed on base of Electroslag Remelting(ESR) which has been widely used in metallurgical field as a kind of refining means, to improve the purify and improve material properties. Especially the high-demand forging piece, forging stock materials need to be remelted before forging.

ESC apply the theories of ESR, it makes refining and casting finish at the same time. It is not subjected to the restraint of cast castability and can produce castings with prime quality inside and complex profile, it also can replace the forging piece in some products, such as the internal-combustion engine bent axles for large-scale vessels, made by Russia, were manufactured by ESC.

   Advantages of Electroslag Casting Technology:

¡        Nonmetallic inclusion reduce more than a half, and inclusion spread balance;

¡        Harmful element sulphur decreases about a half;

¡        Each term of machine performance is homogeneity. Prevent layered tear;

¡        Impact toughness enhanced;

¡        Breakage toughness KIC enhanced;

¡        Improve anti-fatigue ability ,and with high resistance to crack and resistance to crack propagation ability;

¡        Material density improved obviously, improve anti-cavitation ability, extend the service life, ensure the safety;

¡        Ultrasonic testing can satisfy the international standard, the European Union CCH70-3and the United States casting association standard ASTM A609.

  Because of the advantages above, electroslag casting technology is being used in many large power stations. Some labeled this technology in the biding document to state that their projects must use electroslag casting technology, such as the three gorge project, Xi luodu and Xiangjiaba.   

Francis runner for hydro power generator

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