List of Qualified Suppliers for General Casting and Forging of Sinopec Valves
The list of qualified suppliers for general castings and forgings of valves in Sinopec for the years 2022-2023 has been released. List of qualified suppliers for general valve castings (precision casting, sand casting)
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The Use and Properties of Low Alloy Steel
The components of low alloy steel welded structures usually need to go through processes such as processing and forming, welding, and post weld heat treatment, which requires the steel to have good process performance. The process performance includes the weldability, cutting performance, cold and hot working performance, heat treatment performance, malleability, uniform stability of the structure, and hardenability of large cross-sections of the metal. While considering material costs, the impa
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So heartwarming! Qingtian has refunded over 1.48 million yuan in taxes to this group of people!
Disabled people are a special and disadvantaged group that requires the care and assistance of the whole society. Employment for people with disabilities is the foundation for ensuring their equal participation in social life and sharing material and cultural achievements. Since the beginning of this year, the Qingtian County Taxation Bureau has fully utilized the tax leverage and actively implemented the value-added tax refund policy to promote the employment of disabled people. This has not on
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casting process design
Casting process design involves the process design of the parts themselves, the design of the pouring system, the design of the filling and shrinking system, the design of the air outlet, the design of the quenching system, and the design of special casting processes. The process design of the part itself involves the selection of machining allowance, pouring position, parting surface, casting process parameters, size tolerance, shrinkage rate, mold start angle, correction amount, parting negati
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Performance characteristics of duplex stainless steel
The combination of chloride stress corrosion performance and these superior properties has led to the rapid development of duplex stainless steel as a weldable structural material. Since the 1980s, it has become a steel category alongside martensitic, austenitic, and ferritic stainless steels. Dual phase stainless steel has the following performance characteristics:
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"We'll accompany you all night!" When the resident service encounters "night shift production chasing"
At present, in order to do a good job in epidemic prevention and control and scientifically organize various production enterprises to resume work and production, Qingtian County has launched a special action of "night shift production recovery" to support eligible industrial enterprises in implementing "night shift production recovery", striving to achieve "year-round prosperity" in various industrial and economic work.
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