sytop stellite alloy

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A Cylindrical Mechanical Part - Stellite Bushing

As one of cylindrical mechanical parts, Stellite Alloy bushing is an integral part of the sliding bearing placed on the rotating shaft.

With good resistance to elevated temperatures, corrosion, and thermal fatigue and excellent heat strength, stellite is one of the common materials for the bushing.

The processes of stellite bushing are as follows.

First of all, Forging process is a common method. When the S content is greater than 0.005 %, the ductility of the stellite is greatly reduced. The ingot containing S greater than 0.015% cannot be forged due to the formation of cracks between the grains. Forged stellites are most commonly used in the form of sheets. This alloy has high strength and good oxidation resistance at about 982 ℃, which can be welded in a conventional manner and get high strength by cold working.

Second, casting process is also an excellent method. Cast Stellite Alloy 12 are used in steam turbines and in conditions where high temperature oxidation resistance and vulcanization resistance are required. Strengthening can be obtained by precipitation with carbide (M23C6, M6C) by using solid solution and precipitation heat treatment. With slow precipitation rate, it has no effect on weldability.

Last, it’s a good idea to adopt welding process. The welding process for surfacing a cobalt matrix has become common and reliable for high temperature, wear and corrosion resistance. It is widely used in the aerospace, nuclear, thermoelectric, petroleum, transportation and machinery industries.

Stellite Alloy 20 bushing of SYTOP Cobaltalloy has good quality, and we control the cost to give a favorable price to our customers. With excellent equipment, strong design capability, and a large production team, Sytop Cobalt alloy strives to achieve international standards and looks forward to growing together with all customers for a mutual benefit and a better tomorrow! If you are interested in us, please feel free to contact me at any time. You could click the link: www.cobaltalloy.net to get further information.

Posted in Default Category on January 16 2019 at 06:53 AM

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