The product quality advantage of continuous casting billet of stainless steel pipe fittings is mainly reflected in the fact that the non grinding rate of the outer surface of the billet except the head and tail section has reached more than %, and the total surface grinding yield has reached %. In order to achieve this goal, it is necessary to refine the molten steel,LAN Fangdan316 professional stainless steel pipe, and do a good job in ladle andAccording to the structure of steel grade, austenite ferrite ferrite martensite and precipitation hardening note: precipitation hardening (precipitation strengthening): refers to the dispersion and distribution of solute atom segregation zone and / or desolved particles in supersaturated solid solutionLAN Fangdan,There are kinds of stainless steel containing molybdenum. The molybdenum content of stainless steel is slightly higher than that of stainless steel. Because stainless steel contains molybdenum, the overall performance of this steel is better than and stainless steel. Under high temperature conditions when the concentration of is lower than % and higher than %,LAN Fangdan301 stainless steel pipe, stainless steelCold rolled stainless steel strip; Stainless steel strip / coil & rdquo; As raw material it is rolled by cold rolling mill at room temperature. General thickness & amp; lt; .mm～mm& gt;, Width & amp; lt; mm～mm& gt;； [& ldquo; cold rolled steel strip / coil & rdquo;] It has smooth and smooth surface, high dimensional accuracy and good mechanical propertiesTokmok,The creep test of stainless steel tube is carried out in the steady-state oxidation environment. Stainless steel pipe will have obvious oxidation. Previous studies have shown that the time required for oxygen in the air to diffuse to the fatigue crack tip is about the order of magnitude while the chemical reaction between oxygen and fresh metal takes placeSince the beginning of last year, foreign countries have frequently carried out & ldquo; Double reverse & rdquo; This has a great impact on China's stainless steel casting industry. Export is a large part of the development of China's stainless steel industry and occupies a huge market share in its industrial development,Different heat treatment processes are used for heating and cooling stainless steel plates. For example, steel is heat treated for various commercial purposes. The common purpose of heat treatment is to improve strength, hardness, processability, formability, ductility and other cold properties

In the production process, polishing is generally required. Only a few products such as water heater and water dispenser liner do not need polishing. Therefore, it requires raw materials to have good polishing performance.No solution treatment. The alloy elements did not dissolve into the matrix, resulting in low alloy content and poor corrosion resistance.The surface crack at the weld toe of the welded joint is evaluated by SINTAP. Under the given original crack size and load conditions, the evaluation points fall within the scope defined by the evaluation curve, indicating that the structure can be used safely under the given load. At the same time,Features: beautiful surface and diversified use possibilities; Good corrosion resistance; Longer and more durable than ordinary steel; Good corrosion resistance; High temperature oxidation resistance and high strength, so it can resist fire; Good plasticity and weldability. It has excellent rust resistance, corrosion resistance and intergranular corrosion resistanceThere are two areas. With the continuous improvement of automation, people have more and more requirements for the cutting quality of stainless steel pipesType of pipe is also a very competitive water supply pipe, which will play an unparalleled role in improving water quality and improving people's living standards.

Since the beginning of last year, foreign countries have frequently carried out & ldquo; Double reverse & rdquo; This has a great impact on China's stainless steel casting industry. Export is a large part of the development of China's stainless steel industry and occupies a huge market share in its industrial development,Trustworthy,It is concluded that the corrosion resistance of duplex stainless steel is equivalent to that of L stainless steel, while the mechanical properties are better than L, the elongation is reasonable, and the cost is lower than that of L and .In the face of the sluggish development of China's stainless steel industry and environmental protection, we should better cope with the slowdown of the development of China's stainless steel industry and the quality of its products in the face of the slowdown of overseas economic and environmental protectionThe main way to prevent stress corrosion of austenitic stainless steel is to add SI ~ % and keep the content of N below .% from smelting. In addition, the content of impurities such as P, Sb, Bi and as shall be minimized. In addition, A-F dual phase steel can be selected,LAN Fangdan409 stainless steel sheet, which corresponds to stress corrosion in Cl - and oh - mediaLAN Fangdan,Low temperature embrittlement of stainless steel pipe --- in low temperature environment, the deformation energy is small. In the low-temperature environment, 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.There are ba surface, b surface, (white skin), D surface, (frosted), HL (wire drawing), K surface and other surfaces with good quality and brightness.The removal technology of tritium remaining in the pipe wall was studied, and a set of tritium removal system was developed