Among the various corrosions of stainless steel, the intergranular corrosion accounts for about 10%. It will reduce the bonding force between the grains. Under the action of stress, it is easy to crac...
Improving the cleanliness of the cast slab is the basis for the production of high-quality steel, and the total oxygen content of the cast slab is an important measure of the cleanliness of the molten...
Generally, clean steel refers to a steel grade that has a low content of five major impurity elements (S, P, H, O, N) in steel, and strictly controls non-metallic inclusions (oxides, sulf...
It is necessary for a professional foundry person to know this scrap knowledge! Scrap steel is a general term for ferrous metal scrap in scrap metal recycling. It includes several categories suc...
1. Stoma This is a small cavity formed by the gas that has not escaped during the solidification process of the metal. Its inner wall is smooth, contains gas, and has a high reflectivity to ultrasonic...
Carburizing and quenching is actually a composite process, namely carburizing + quenching. We are often used to talk about the two together, because the two processes that are completed ...
Calculation Formula The calculation formula for the selection of die-casting machine: Die-casting machine clamping force (t) = 1.4 * casting projected area * ratio of the projected area of the Die C...
In this type of enterprise, the employees are tired, and the boss is even more tired. They are all working hard for the future of the company, and they have also thought of many ne...
Any corporate meeting should look like a lady’s skirt, the shorter the better. In fact, many corporate meetings are like shrouds, long and useless, and the biggest effect is a waste of tim...
1 What are the factors that affect the “aging” of water glass? How to eliminate the “aging” of water glass? The freshly prepared water glass is a true solution. However,...
Three roles of team leader The team leader in the workshop is the main communication bridge between the company and the production staff. The management of the company team leader...
In 1687, Newton published “The Philosophical Principles of Natural Science”. The view of time and space “evolved” from the place of the sky to a flat and absolutely lost time a...
The existence of forging defects may affect the processing quality or processing quality of the subsequent processes, and some seriously affect the performance and use of the forgings, and even greatl...
Most of the products processed in the precision sheet metal machining industry are characterized by small batches and multiple varieties, in addition, each customer has different product quality requi...