Deburring: after the pipe is cut off,According to the steel structure, austenite ferrite ferrite martensite and precipitation hardening note: precipitation hardening (precipitation strengthening): refers to a heat treatment process in which the metal is hardened by the segregation zone of solute atoms in supersaturated solid solution and / or the desolved particles are dispersed in the matrix. For example, austenitic precipitated stainless steel can obtain high strength by precipitation hardening at ~ ℃ or ~ ℃ after solution treatment or cold working. That is, the supersaturated solid solution of some alloys is placed at room temperature or heated to more & amp; gt;& amp; gt;Ferritic stainless steel the Cr content of ferritic stainless steel is generally % ~ %, and there is no & alpha during heating and cooling=& amp; amp; gt;& gamma; The transformation cannot be strengthened by heat treatment. Strong oxidation resistance. At the same time, it also has good hot workability and certain cold workability. Ferritic stainless steel is mainly used to make components with high corrosion resistance and low strength requirements. It is widely used in manufacturing equipment such as production, nitrogen fertilizer and chemical pipelines.Bannachang,Adjust the ratio of austenite forming elements to ferrite forming elements in the steel to make it have austenite + ferrite dual phase structure, in which ferrite accounts for % - %. This dual phase structure is not easy to produce intergranular corrosion.It has the characteristics of high efficiency and low cost. At the same time, it can also well ensure the welding quality (in the capacity expansion and reconstruction project of Urumqi petrochemical, we use this method to weld joints and repair joints, with a one-time qualified rate of welding), which is worthy of our use.Bidirectional Product Description: the tensile strength of the material is ~ mpa, and the high working temperature can reach ℃.

Stainless steel has two classifications: one is divided into chromium stainless steel and chromium nickel stainless steel according to the characteristics of alloy elements; The other is divided into m stainless steel, f stainless steel, a stainless steel and A-F duplex stainless steel according to the microstructure of steel in normalized state. after deep drawing, small black spots and RI high imitation dging will also appear on the surface of the area with large deformation, which will affect the BQ attribute.The selection of pipes and fittings for welding data preparation shall be based on the quality elements of the application environment chemical composition and application pressure, and the commodities of corresponding grades shall be selected to ensure the weld metal structure and machine function.build,Add a small amount of sulfur and phosphorus to make it easier to cut.Stainless steel pipe is a kind of hollow long round steel, which is widely used in industrial transmission pipelines such as petroleum, chemical industry, medical treatment, food, light industry,WevelgemStainless steel pipe factory, mechanical instruments and mechanical structural parts. In addition when the bending and torsional strength are the same, the weight is relatively light. It provides L stainless steel pipe, s stainless steel pipe and L stainless steel pipe for a long time. It is an old brand of , with advantages in price and guaranteed quality It is also widely used in manufacturing mechanical parts and engineering structures. It is also commonly used as furniture, kitchenware, etc.Pipeline direct drinking water has developed rapidly. With the development of national economy, pipeline direct drinking water has developed rapidly in domestic cities such as Beijing, Shenzhen, Shanghai and Chongqing, and economically developed medium-sized cities have also actively planned to catch up. In direct drinking water, stainless steel pipe system is undoubtedly second to none. At present, domestic high-grade hotels and public places have been equipped or are equipped with direct drinking water pipes.

Stainless steel seamless steel pipe for structure (instead of gbt-)Promotion,After fine tuning the molten steel temperature in the argon blowing station,WevelgemPrecision stainless steel coil, it is lifted to the ladle rotary table for continuous casting.It means: times of Dr + iron loss value (iron loss value per unit weight when Hz repeated magnetization and sinusoidal magnetic induction intensity is T) + times of thickness value. For example, dr- indicates that the iron loss value is hot-rolled silicon steel plate with thickness of .mm. The grade of hot rolled silicon steel sheet for household appliances is expressed by JDR + iron loss value + thickness value, such as jdr-.For business people, of course, it is better to spend less under feasible conditions. For goods such as stainless steel pipes,WevelgemStainless steel cooling pipe, we can often see that there will be packaging film bags on them. Although they are not heavy, if there are a large number of single purchases, they will also produce certain economic expenses, but why do many people clearly dislike this thing on stainless steel pipes, But I have to accept it. Next, xincoral Xiaobian will tell you why stainless steel pipes need packaging bags.Wevelgem, due to the end of the glorious history of galvanized steel pipe, various new plastic pipes and composite pipes have developed rapidly, but various pipes still have some deficiencies in varying degrees, which are far from fully meeting the needs of water supply pipe system and the national requirements for drinking water and related water quality. Therefore, relevant experts: building water supply pipes will eventually return to the era of metal pipes. According to foreign application experience stainless steel pipe is recognized as one of the pipes with good comprehensive performance in metal pipe.Duplex stainless steel product description: This stainless steel has good corrosion resistance in urea carbamate solution and high stress corrosion cracking resistance in chloride environment. At the same time, the duplex stainless steel has excellent mechanical properties and can be used in plant construction with high safety requirements.The numbering rules adopt element symbols; Pinyin, open hearth steel: p; Boiling steel: F; Killed steel: B; Class a steel: a; T: special GCr: ball.