Chemical castings mainly include large-sized castings for chemical industry, large-sized and medium-sized thin-walled casings, such as casing, volute casing, rear bearing seat, guide ring body, etc. The materials mainly include carbon steel and austenite stainless steel. For this kind of thin wall product the alkali phenolic resin sand moulding is adopted to ensure the good inner quality. The surface ...
The castings such as casing, volute casing, rear bearing seat, guide ring body are mainly used for chemical equipment for producing chemical raw materials such as nitric acid.
01.The company has a high-quality technical team. A perfect casting quality precaution system has been established. Mature technology, scientific management and lean operations are available in the company with the aid of the international advanced MAGMA simulation software.
02.Resin sand moulding is adopted. And the first-grade standard is used for all the patterns. For all the key areas the chromite sand, imported from South Africa, is used. In addition, the domestic best-quality crude sand, resin curing agent, paint and other raw materials are used.
03.The most real data have been mastered through summary, verification and optimization of a large amount of accumulation in the early stage. The casting product can be manufactured successfully just at one time thanks to the reliable, accurate and stable technical parameters.
04.The company has complete inspection and testing means. A variety of inspection and test, for instance, UT (Ultrasonic Test), MT (Magnetic Particle Test) and RT (Radiographic Test) can be carried out to meet the user's requirement for internal quality.
Typical Products
Volute casing for blower with the gross weight of 20t, contour of finished product 3900mm*3650mm*1500mm, material grade ZG07Cr19Ni9
During the past years, the company has manufactured nearly 100 casting casings, supplied mainly to Xi'an Shaangu Power Co., Ltd..
For castings, TYHI has obtained the works approval of CCS (China classification society), LR (Lloyd's Register of Shipping - UK), DNV (Det Norske Veritas - Norway), GL (Germanischer Lloyd - Germany), ABS (American Bureau of Shipping- the USA), BV (Bureau Veritas - France) and KR (Korean Register of Shipping - Korea).
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