the passivation of traditional chromium saltSlag and alloy elements shall be protected.Graham stone

Simple chemical passivation can only improve the corrosion resistance of stainless steel. On the other hand,The formed steel pipes are called seamless steel pipes. Welded steel pipe is called seamed steel pipe, wash and dry, and determine the weight loss to determine the degree of corrosion.Ranchuelo,The low carbon content in the steel makes the carbon content in the steel lower than the saturated solubility of austenite in the equilibrium state, which fundamentally solves the problem of precipitation of chromium carbide (crc) on the grain boundaryStress relief treatment. Stress relief treatment is a heat treatment process to eliminate the residual stress of steel after cold working or welding. Generally, it is heated to ~ ℃ for tempering. For steels without stabilizing elements Ti and Nb, the heating temperature shall not exceed ℃, so as to avoid precipitation of chromium carbide and intergranular precipitationIt really affects the service life of the product. Today, I'd like to share with you some precautions in the maintenance of stainless steel plate. Let's have a look!

Bottom of the valley. Only inEqual to or equal to .mm.Come on! I believe there are many people who don't know how to explain to customers! Next,Graham stone304ln professional stainless steel pipe, let's popularize science!Information recommendation,Cold rolled oriented silicon steel strip (sheet) with iron loss value of and thickness of .mm is now represented as q.Only soluble paper or the combination of soluble paper and blocking plate is used for blocking ventilation protection (i.e. solid core welding wire + TIG + water-soluble paper)It has good performance. It does not have to go through surface treatment such as color plating, but gives full play to the inherent surface properties of stainless steel. It is a kind of steel used in many aspects, which is usually called stainless steel. Representative properties include chromium steel, - chromium nickel steel and other high alloy steel. From the perspective of metallography, because stainless steel contains chromium

, because the family kitchen and are in the same environment for a long time, the ordinary steel pipe will rust after being used for a period of time, the service life is not long, and it will affect the safety of family drinking water! Therefore, stainless steel pipe here can ensure long-term non rusting and non rustinghow,Graham stone309S stainless steel,High frequency welding high frequency welding: with relatively high power supply, it can achieve high welding speed for steel pipes with different materials, outer diameter and wall thickness. Compared with argon arc welding, it is more than ten times of its high welding speed. Therefore, stainless steel pipes for general use have a high consumption rate. becauseLook at the back. If there is a steel seal, it is generally the primary normal material of or . If there is no steel seal, check the flatness.Reasons for steel rusting: chloride ions exist widely, such as salt, sweat, sea water,Graham stone304n high quality stainless steel pipe, sea breeze, soil and so on. Stainless steel corrodes rapidly in the environment of chloride ion, even more than ordinary low-carbon steel. Chloride ion forms a complex with Fe in the alloy element to remove FeGraham stone,Someone asked whether stainless steel pipe is rusty and causes toxic problems?Low temperature embrittlement --- in low temperature environment, but it is relatively not easy to rust the phenomenon that the elongation and area shrinkage decrease is called low-temperature embrittlement. It is mostly produced on the body centered cubic structure of ferrite series.The steel pipe will not rust, and it will rust in a specific environment. it will rust if placed in seawater or acid-base environment. Even in the air, but it will take a long time. commonly