AUSTENITIC FERRITIC duplex stainless steel on the basis of austenitic stainless steel appropriately increase Cr content and reduce Ni content, and cooperate with remelting treatment. High prices, various specifications of stainless steel plates, stainless steel coils, stainless steel belts and stainless steel tubes are supplied in time and cost-effective. It has become the preferred brand for many wire products. Welcome to buy! Stainless steel with duplex structure of austenite and ferrite (including ~ % & Delta; - ferrite) can be obtained. Typical steel grades include crniti, CrNiTi, ocrnimoti, etc. Duplex stainless steel has good weldability, no heat treatment is required after welding, and its tendency of intergranular corrosion and stress corrosion is also small. However,Tijuana904L imported stainless steel plate,TijuanaStainless steel heat exchanger tube, due to the high Cr content, it is easy to form & sigma; Pay attention when using.Low temperature processing of stainless steel pipe --- martensite series stainless steel is quenched from austenitizing temperature and then cooled to very low temperature to promote martensite quenching. It is suitable for stainless steel easy to produce residual austenite.Tijuana,In order to prevent the occurrence of welding pores, the welding parts must be cleaned if there is rust,Tijuana45# precision steel pipe, oil stain, etc.The specific steps of continuous casting billet process of stainless steel pipe fittings are as follows: according to different steel grades, which can improve the yield of %, save energy and shorten the production cycle, so as to improve the yield of molten steel.Karhula,;- Ferromagnetism due to m transformation shall be considered in use (such as in instrument parts).Stainless steel and alloy tool steel (C content is expressed in thousandths), such as thousandth of CrNi (i.e. .% C), stainless C & le; .%, such as CRNI ultra low carbon C & le; .%, such as crnimo.Deburring: after the pipe is cut off, the burr shall be removed to avoid cutting the sealing ring.

During welding, the process of ventilation in advance and gas stop behind shall be adopted, and the adhesive cloth on the outside shall be torn off while welding. Because the blocking plate is composed of rubber and white iron sheet, it is not easy to be damaged, so this welding can well ensure that the inner side of the weld is filled with argon and its purity, so as to effectively ensure that the metal on the inner side of the weld is not oxidized and ensure the quality of weld backing welding.It is generally suitable for the welding of thin plates below mm, with the characteristics of beautiful weld formation and small welding deformation.The petrochemical industry, including the chemical fertilizer industry, including , l etc., with an outer diameter of about ￠ - ￠ and a wall thickness of about mm-mm (generally medium and low pressure transmission pipes with a specification of more than & phi; mm). The specific application fields are: furnace pipes, heat exchanger pipes, etc.Quotation sheet,There is a bright future for domestic substitution for imported stainless steel pipes. Since the s, China has solved the problem of reducing wall thickness and cost; High diameter to wall ratio and high precision & rdquo; The technical problems of stainless steel pipe make the stainless steel pipe applied and developed rapidly. If a pipeline can be fully applied, localization is indispensable. At present, some domestic have the ability to produce and further develop stainless steel pipes and fittings.The 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 should be reduced as much as possible. In addition, A-F dual phase steel can be selected, which does not correspond to stress corrosion in Cl - and oh - media. The initial micro crack will not continue to expand after encountering ferrite phase, and the ferrite content should be about % .Water preparation, storage, transportation, purification, regeneration, seawater desalination and other water industry excellent materials. The demand is about tons.

According to the purpose, it can be divided into oil well pipe (casing, oil pipe and drill pipe), pipeline pipe, boiler pipe mechanical structure pipe, hydraulic prop pipe, gas cylinder pipe, geological pipe, chemical pipe (high-pressure chemical fertilizer pipe, petroleum cracking pipe) and marine pipe.Range,The slab solidified on the surface continues to be rapidly cooled through the secondary cooling section until the core becomes solid, and the whole continuous casting process of stainless steel pipe fittings is completed.　　≥EL（%）Stainless steel export is an important part of China's export economy. It plays an important role in stimulating China's economic growth. However, from the current situation of China's stainless steel foreign trade,Crimping: during crimping, the convex part of the pipe fitting is placed in the concave groove of the die, and the jaw is perpendicular to the pipe axis.Restate the quality of stainless steel pipe, such as stainless steel pipe, we promise & ldquo; chromium and nickel & rdquo; Penalty for false and provide quality inspection report and certificate of conformity.Marking: in order to make the steel pipe complete the socket of the pipe fitting, the length must be marked and marked at the pipe end.