Analyses the problems in the process of h
    Heat resistant steel is often used in the manufacture of boiler, steam turbine, power machinery, industrial furnace and aviation, petrochemical and other industrial department work under the high temperature parts.These parts in addition to...

Analyses the problems in the process of h
    Smelting heat resistant steel in general or induction furnace smelting in arc furnace.High quality requirements often USES the vacuum refining and refining outside the furnace process.Some high alloy heat-resistant steel casting hard machini...

Analyses the problems in the process of h
    Carbon, nitrogen can be expanded and the stability of austenite, so as to improve the high temperature strength of heat resistant steel.Are too many in steel containing chromium, manganese, can significantly improve the solubility of nitroge...

Analyses the problems in the process of h
    Nickel and manganese can be formed and the stability of austenite.Nickel can improve high temperature strength of austenitic steel and improve the carburizing resistance.Although manganese can form generation of nickel austenite, but the dam...

Analyses the problems in the process of h
    Besides using sand casting, casting method can also be used for precision casting process to obtain a smooth surface, size precision products.For synthetic ammonia and ethylene cracking in high temperature furnace tube often adopt the method...

Analyses the problems in the process of h
    Heat resistant steel and stainless acid-resistant steel are crossed each other on the using range, some characteristics of stainless steel with heat resistant steel, can be used as both stainless acid-resistant steel, also can be used as hea...

How to improve the quality of the surface
    Layering thickness of as influenced by the surface quality, precision casting surface quality of the product along with the peak, with the decrease of the thickness of layered surface quality began to decline, reduced to roughness.Reason ana...

How to improve the quality of the surface
    Layering thickness of as influenced by the surface quality, precision casting surface quality of the product along with the peak, with the decrease of the thickness of layered surface quality began to decline, reduced to roughness.Reason ana...

Steps to prevent the occurrence of damage
    Actually he for centrifugal casting mold the same important to his homework, but if the centrifugal casting mold the damage which is not a good phenomenon, so we will arrange for prevention.But the specific how should we do?Let dongming spec...

How to improve the service life of the ce
    If you can guarantee casting wall thickness are the same, and not hot, it can be very good to reduce mould in use of thermal fatigue.In the turning of the casting, we need to set the appropriate rounded corners, so that we can prevent mould...

Casting way of rapid prototyping have wha
    Believe that everyone knows good castings is to have professional technology to carry on the processing production, and also to control the casting of before and after treatment to complete the production, in the process of the casting way o...

heat treatment two methods for Precision
    Precision casting believe everyone know for casting processing we should not only after grinding and heat treatment, so the casting heat treatment process is not just a again, here are two types of heat treatment of castings.Precision castin...