The 304 stainless steel seamless pipe is to make the molten metal react with the iron matrix to form an alloy layer, so that the matrix and the coating are combined. Certain rules must be followed during use, and irregular operations will also lead to finished products of stainless steel welded pipes. rate drops.
The protective gas is Ar gas with a purity of 99.99%. When the welding current is 50~50A, the Ar gas flow rate is 8~0L/min. When the current is 50~250A, the Ar gas flow rate of 304 stainless steel seamless pipe is 2~5L /min.
Because 304 stainless steel seamless pipes are used in a wide range of industries, it is involved in many industries, so it is necessary to do a good job in its own operation and management during processing. One of the important steps is the treatment of pickling and passivation of 304 stainless steel seamless pipes. , It cannot be used directly without pickling passivation. Let’s talk about the importance of pickling passivation for 304 stainless steel seamless pipes.
Stainless steel pipe manufacturers 304 stainless steel seamless pipe workpieces will form an oxide film when placed in the air, but the protection of this film is not perfect. Usually, it must be cleaned first, including alkali cleaning and pickling, and then passivated with an oxidant to ensure passivation. One of the purposes of pickling is to create favorable conditions for passivation treatment to ensure the formation of a good passivation film.
Because the surface of the 304 stainless steel seamless pipe has an average thickness of 10 μm by pickling, the chemical activity of the acid solution makes the dissolution rate of the defective part higher than that of other parts on the surface, so the pickling can make the whole The surface tends to be even and balanced, and some hidden dangers that were easy to cause corrosion have been removed.
There are many characteristics of stainless steel that make today’s dairy farmers inseparable from the use of 304 stainless steel pipes. The main one is cleanliness: “We wash the equipment with hot water once a day, and stainless steel is a very ideal material,” said the price of 304 stainless steel pipes Nickel is a metallurgical bond in the stainless steel crystal structure, and the thin surface chromium oxide seen under the microscope prevents corrosion from occurring.
In fact, during the production, storage or distribution of milk, the nickel in the 304 stainless steel pipe is not transferred to the milk. However, milk, like most foods, naturally contains a small amount of nickel. Stainless steel bright plate is also called mirror plate, BA plate , the surface quality requirements are high, and the production process is difficult. The stainless steel pipe factory is known as the “crown” of stainless steel. In recent years, the decoration, home appliance and other industries have more and more demand for wide-width bright plates, especially for ultra-thin and ultra-wide bright plates. big.
304 stainless steel pipe is a kind of universal stainless steel material. Its antirust performance is stronger than that of 200 series stainless steel materials, and it is also better in high temperature resistance. The general use temperature limit is less than 650°C. Good resistance to intergranular corrosion.
SHAANXI JINYOU METAL TECHNOLOGY CO., LTD is a stainless steel pipe manufacturer that produces and sells 304 stainless steel pipes, 304 stainless steel seamless pipes, 316L stainless steel pipes, stainless steel seamless pipes, and stainless steel elbows. Welcome new and old customers to come to order
Cherry
Website: www.jinyoumetal.com
Email: Cherry@jinyoumetal.com
WhatsApp/WeChat: +86 13373795593
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