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Nodulizer containing rare earth elements can remove impurities in castings and change the performance of castings
Nodulizer containing rare earth elements can remove impurities in castings and change the performance of castings
Do you still remember the rare earth raw materials from the previous auction? In the process of casting iron, the spheroidizing agent containing rare earth elements can remove impurities such as S and P in the casting, change the performance of the casting, and effectively improve the hardness or elongation of the casting. The rare earth in our factory uses lanthanum and cerium metal rare earth, which is refined from rare earth ore with less impurities. Some manufacturers use one-step rare earth silicon, or use cerium-rich slag...
Iron-carbon alloy materials for the manufacture of large thickness parts - cast steel
Iron-carbon alloy materials for the manufacture of large thickness parts - cast steel
Hello everyone, I am the youngest girl in the factory. It's time for the popular science class again, Today we are talking about the iron-carbon alloy material used to manufacture parts with large thickness-cast steel. Let's first understand the classification of cast steel. Low-carbon steels with a carbon content of less than 0.2%:  medium-carbon steels with a carbon content between 0.2% and 0.5%; high-carbon steels with a carbon content of more than 0.5%. In addition, there are low-alloy steel and high-manganese steel. The...
Today's popular science: vermicular graphite cast iron
Today's popular science: vermicular graphite cast iron
Hello everyone, I am the youngest girl in the factory. Let's talk about vermicular graphite cast iron. The chemical structure of vermicular graphite cast iron is similar to that of gray cast iron, but the overall mechanical properties are slightly better than gray cast iron, but slightly inferior to nodular cast iron. Its impact toughness, elongation, compressive strength, yield strength, etc.are all between the two, and the change in wall thickness has a smaller effect on the mechanical properties than gray cast...
Popular science: the most widely used cast iron
Popular science: the most widely used cast iron
Hello everyone, I am the youngest girl in the factory. Let's talk about this issue, gray cast iron. Gray cast iron is cast iron containing flake graphite and is the most widely used cast iron. Because of its great sensitivity to the cooling rate, gray iron castings often appear white and cracks on the thinner section, and on the thicker section, it often leads to pine. Due to the low thermal stability of gray cast iron, it cannot be used to manufacture parts that work in environments exceeding 250 degrees Celsius for a long...
The treasure of the foundry industry - ductile iron castings
The treasure of the foundry industry - ductile iron castings
Hello everyone, I am the youngest girl in the factory. Today, let's talk about the treasure of the foundry industry-ductile iron castings. Ductile iron castings are important casting metal materials developed in my country in the past 40 years. Due to the small stress concentration caused by spheroidal graphite, the fracture effect on the matrix is also small, so the tensile strength, plasticity and toughness of ductile iron are higher than other cast irons. Of course, ductile iron castings are not perfect. In...
Why cupola is better than electric furnace
Why cupola is better than electric furnace
Hello everyone, I am the youngest girl in the factory. Everyone knows that cupola hot metal is better than electric furnace, but what is the reason? Because the cupola smelting process is when the molten iron droplets fall on the surface of the coke, it causes the unevenness of the microscopic carbon increase of the molten iron.  Therefore, the degree of crystal supercooling is small, the crystal grains are refined, and the white mouth is not easy to produce. The electric furnace smelting molten iron is carried...
Three points to choose the temperature of molten iron
Three points to choose the temperature of molten iron
Hello everyone, I am the youngest girl in the factory. Is the higher the casting molten iron temperature, the better?  The selection of molten iron temperature should consider the wall thickness, size and grade of the casting. Generally, the larger the wall thickness, the lower the pouring temperature and the overheating temperature; With the higher the grade, the lower the carbon equivalent and the higher the temperature of the molten iron. Sometimes, despite the higher pouring temperature of high-grade...
Get the right spheroidizing temperature
Get the right spheroidizing temperature
Hello everyone, I am the youngest girl in the factory. What is the appropriate spheroidizing temperature?  The proper spheroidizing temperature should ensure the full effect of the spheroidizing agent, the oxides with lighter specific gravity than iron, inclusions and gases can fully rise to the scum, and the suitable processing temperature is 1400°C both internationally and domestically, and the loss of the spheroidizing agent is too high. Too large or too low is not conducive to oxide slag inclusion and gas...
The masters who work overtime late at night can still guarantee the quality of shipments
The masters who work overtime late at night can still guarantee the quality of shipments
Hello everyone, I am the youngest girl in the factory. This batch of inoculants has just been packaged and will be shipped to Nanjing Longtan Port, and then shipped to overseas customers. This is produced by the masters working overtime, and the samples through random inspection are in line with the customer's contract requirements. Many netizens are curious about how many orders we have, and it is commonplace for the masters to work overtime. In fact, our order has been scheduled until two months later. However, there are also...
The masters who arranged orders late at night
The masters who arranged orders late at night
Hello everyone, I am the youngest girl in the factory. It is 11 o'clock in the middle of the night. At the request of the majority of netizens, I am here again today to take pictures of the masters who work overtime late at night. Some small partners will ask us whether we can ship immediately. We generally do not accept urgent orders, but arrange orders according to the order of the contract. Customers need to place orders ten days or half a month in advance. And this year is really too busy. Even the inventory we made in the off-season has been sent out....
It's time to update the old equipment, we want to give our customers the best product experience
It's time to update the old equipment, we want to give our customers the best product experience
Hello everyone, I am the youngest girl in the factory.  It's time for the popular science class again. Today we are going to talk about the reasons and solutions for the damage of the lining of the intermediate frequency furnace. The main influencing factors that damage the furnace lining are: chemical corrosion of slag, spalling of refractory material structure and thermal corrosion. 1) The lining material should have the characteristics of high thermal strength, low air permeability and low porosity. 2) The initial failure of...
The class representative is here! I will take everyone to the cloud to watch the exhibition!
The class representative is here! I will take everyone to the cloud to watch the exhibition!
Hello everyone, I am the youngest girl in the factory. Take a look, these are all exhibition information of specification manufacturers. The Shandong Provincial Foundry Annual Conference is based on the theme of "Health, Sustainability, High Quality, and Upgrade".  This annual meeting will be displayed in 5 major sections. 1. Thematic report: tells about the industry development orientation, industry policy and other special analysis. 2. Expert consultation, many well-known domestic experts were invited. 3. The product...
The direction of the foundry industry next year, properly handle
The direction of the foundry industry next year, properly handle
Hello everyone, I am the youngest girl in the factory.  Today is the second day of the Shandong Foundry Annual Meeting. Some seminars will be held in the hotel. Senior experts and members will be invited to discuss the format of last year, and then predict the trend of next year. Let's go take a look together. The Shandong Provincial Foundry Annual Conference is based on the theme of "Health, Sustainability, High Quality, and Upgrade".  This exhibition has industry development orientation, industrial policy,...
I am fortunate to be invited to participate in the annual casting meeting of Shandong Province, there are too many people!
I am fortunate to be invited to participate in the annual casting meeting of Shandong Province, there are too many people!
Hello everyone, I am the youngest girl in the factory.  In the past two days, I have been in Weifang, Shandong. We were invited by our colleagues to participate in the annual casting meeting in Shandong Province. How about this annual meeting? Let's go in and take a look. I have entered the lobby now, and I can see that there are a lot of people at the casting annual meeting.  There are people in front of each booth who are consulting or leaving contact information for each other.  This casting...
How to prevent the decline of spheroidization, the key to see 4 points
How to prevent the decline of spheroidization, the key to see 4 points
Hello everyone, I am the youngest girl in the factory. It's time for the popular science class again today! Today we will talk about some measures to prevent spheroidization and recession: 1. The time from incubation to pouring must be short, the longer the time, the more serious the incubation decline; 2. The molten iron should maintain a proper amount of spheroidizing element content 3. Reduce the sulfur content of the original molten iron and prevent the molten iron from oxidizing 4. After the molten iron is spheroidized and slag...
In the production workshop at 4 a.m., the masters are working overtime to process orders, admiration!
In the production workshop at 4 a.m., the masters are working overtime to process orders, admiration!
Hello everyone, I am the youngest girl in the factory. It is four o'clock in the morning, and our master is still working overtime to catch orders. Because we have a lot of foreign orders, they are now scheduled until after February. This batch of spheroidizing agent has just been produced and will soon be shipped to the Port of Plymouth, England. Our spheroidizing agent has a small fluctuation range, stable performance and high cost performance. Follow me, the youngest girl in the...
The source factory, working overtime to make orders
The source factory, working overtime to make orders
Hello everyone, I am the youngest girl in the factory. From the beginning of this year to the present, the furnace has not been stopped except for normal maintenance and has been working. We are the source factory.  In addition to domestic customers, there are many foreign orders for the nodulizers, inoculants, I produce for cast iron. The time is relatively long, and it has been queued for 2 months. Follow me, the youngest girl in the factory.  If you have a product you want to know, you can leave a...
The spheroidizing agent supplied to the big factory is of great quality!
The spheroidizing agent supplied to the big factory is of great quality!
Hello everyone, I am the youngest girl in the factory. The spheroidizing agent in my hand is supplied to China Nonferrous Metals Jiangsu Branch.  Since the cooperation in 2006, we have supplied them with 5,000 to 6,000 tons every year. Our spheroidizing agent has a small fluctuation range, stable performance and high cost performance. Pay attention to me, let you buy the most cost-effective casting charge.
The customer said: Your family's ferrosilicon inoculant works very well for the production of gray cast iron motor casings!
The customer said: Your family's ferrosilicon inoculant works very well for the production of gray cast iron motor casings!
Hello everyone, I am the youngest girl in the factory. I came to the customer today, you see, this is our family's ferro silicon inoculant, which is very effective for producing gray cast iron motor shells. Here is the jack. Our nodulizer inoculant is used in the production process to make the jack harder and not easy to deform. Follow me, the youngest girl in the factory, if you want to buy our products, you can send me a private message~
What is a good nodularizer?
What is a good nodularizer?
Hello everyone, I am the youngest girl in the factory. What is a good nodulizer? You see, I have two samples of spheroidizing agent on my hand, and they all look the same. Let me do a testing experiment for everyone. This is the indicator required by the customer on our contract. This is produced by our family, and all ingredients are well controlled according to customer requirements. This is the spheroidizing agent that the customer originally used, but the spheroidizing grade cannot be reached after using it, so I replaced it with our product. The...
In the smelting process, how to choose ferrosilicon?
In the smelting process, how to choose ferrosilicon?
Hello everyone, I am the youngest girl in the factory. In the smelting process, how to choose ferro silicon? This is the test result of two different compositions of ferro silicon. As you can see, the content of silicon in the 75 ferrosilicon below is high, but there are few impurities. The above 72 ferrosilicon contains less silicon and contains many impurities, which is difficult to control during smelting. Pay attention to me, the youngest girl in the factory, there will be nodulizer testing...
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