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Cobalt Alloy | Cobalt Chrome Alloy - Cobaltalloy Manufacturer |
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With good resistance to elevated temperatures, corrosion
and thermal fatigue and excellent heat strength, Cobalt Alloy
is one of the common materials for sealing surface of stellite valve
seats. Particularly it has superior resistance to scratch in a hot
state. Therefore, it is commonly used to steam valves of the critical or
supercritical parameters, as well as the surfaces of valves with relatively
harsh conditions and high requirements for anti-wear and corrosion resistance.
Due to excellent properties, cobalt alloys widely used in aerospace, nuclear,
power, petrochemical, metallurgy, transportation and machinery, etc.
According to the application, the process of cobalt can be fallen into casting, forging or welding process. 1.Forging process When the S content is greater than 0.005 %, the ductility of the cobalt is greatly reduced. The ingot containing S greater than 0.015% cannot be forged due to the formation of cracks between the grains. Forged cobalt alloys 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. Elgiloy alloy and MP35N alloy are mainly used for springs and fasteners. 2.Casting process 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. 3.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. With rich experience, advanced technology, professional R&D team, our products and services are superior so that a number of customers are attracted by us every day. If you are interested in Sytop Cobalt Chrome Alloy manufacturer, please feel free to contact us at any time. We hope to grow together with all customers for a mutual benefit and a bright future! | ||
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With good resistance to elevated temperatures, corrosion
and thermal fatigue and excellent heat strength, Cobalt Alloy
is one of the common materials for sealing surface of stellite valve
seats. Particularly it has superior resistance to scratch in a hot
state. Therefore, it is commonly used to steam valves of the critical or
supercritical parameters, as well as the surfaces of valves with relatively
harsh conditions and high requirements for anti-wear and corrosion resistance.
Due to excellent properties, cobalt alloys widely used in aerospace, nuclear,
power, petrochemical, metallurgy, transportation and machinery, etc.
According to the application, the process of cobalt can be fallen into casting, forging or welding process. 1.Forging process When the S content is greater than 0.005 %, the ductility of the cobalt is greatly reduced. The ingot containing S greater than 0.015% cannot be forged due to the formation of cracks between the grains. Forged cobalt alloys 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. Elgiloy alloy and MP35N alloy are mainly used for springs and fasteners. 2.Casting process 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. 3.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. With rich experience, advanced technology, professional R&D team, our products and services are superior so that a number of customers are attracted by us every day. If you are interested in Sytop Cobalt Chrome Alloy manufacturer, please feel free to contact us at any time. We hope to grow together with all customers for a mutual benefit and a bright future! | ||
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