If the thickness of the rust layer is less than 100, you can use a special primer with penetrating performance in the rust. If you apply a normal thick build paint on the primer, the anti-corrosion performance can be ensured even after 3000 hours of SST. ...
GH2909 is developed by increasing the Si content on the basis of GH2907 alloy and adjusting the heat treatment process. GH2909 is a new type of Fe-Ni-Co-based age-hardening low-expansion high-temperature alloy. It has high strength and plasticity, low thermal expansion coefficient, almost constant e ...
Before it can be decomposed, the austenite is transformed into martensite until it is cooled below the Ms point. Usually the minimum cooling rate Vk of the supercooled austenitic stainless steel pipe is called the critical cooling rate. ...
When choosing stainless steel in a corrosive environment, in addition to having a detailed understanding of the specific use conditions of stainless steel, the main factors that need to be considered are: corrosion resistance, strength, toughness and physical properties of stainless steel, processin ...
Through experiments, it is found that carbon content at the bottom of the electroslag ingot will increase when the carbon content in the purified slag is higher than 0.02%. When produced according to the traditional process, the carbon content in the purified slag is about 0.07%, and the carbon main ...
Countries around the world vigorously advocate the policy of reducing emissions and consumption: many domestic scholars and companies have taken measures from various aspects, and the quenching of waste heat after forging is one of the important measures. ...
Magnetic field heat treatment has attracted much attention in the field of materials research because it can effectively improve the structure, mechanics and magnetic properties of metal materials. Chinese et al. found that suitable magnetic field heat treatment can greatly improve the coercivity an ...
Bright annealing furnace is mainly used for heat treatment of finished stainless steel under protective atmosphere. When the performance requirements are different, the requirements for the metallographic structure after the bright annealing are different, and the process of the bright heat treatmen ...
G80T steel is a special type of M50 steel smelted by electroslag directional solidification, which belongs to the second-generation bearing steel with medium temperature resistance to 350℃. Judging from the current domestic and foreign reports, M50 steel is still the main material for the manufactur ...
The various energy transmission pipelines laid by the steel plant are supported by pipeline supports (hereinafter referred to as "branch pipe stands") arranged on pillars. The branch pipe stand is composed of a lower steel support stand and an upper steel pipe clamp ring. ...
It is assumed that the raw material sintering plant has 8 belt sintering machines (1×174 m2, 1×150 m2, 5×360 m2, 1×400 m2), with an annual output of 21.98 million tons of sinter. ...
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The thread cutting process depends on the structure of the machined parts and the CNC machine tool u
Oval gears are widely used in automatic machinery and instrument industries, and are a type of non-c
The cylinder telescopic sheath is a protective component that is installed on the oil cylinder, cyli
The manufacturing cycle is long. Operators are prone to fatigue. Once a failure occurs, it often tak
The Wu Steel Works has two workshops, one steelmaking workshop and the second steelmaking workshop.