X5crni18-10 stainless steel plateWhat details should be paid attention to during operation

announcer:hp717HP127443542 release time:2022-03-03 11:24:20

  301— Good ductility, used for molding products. It can also be machined to harden rapidly. Good weldability. The wear resistance and fatigue strength are better than those of stainless steel.

Steel strip, thin strip, roll strip, calendering strip and other strips can be cut with a thickness of 0.03 to 0mm (Note: stainless steel calendering strips of various thickness and width can be produced according to the needs of customers)

.Stainless steel grade group 200 Series & mdash; Chromium nickel manganese austenitic stainless steel 300 series & mdash; Chromium nickel austenitic stainless steel model 301 & mdash; Good ductility, used for molding products. It can also be machined to harden rapidly. Good weldability. The wear resistance and fatigue strength are better than those of stainless steel.

Steady state creep accelerated oxidation of stainless steel pipe during low cycle fatigue test in air environment. Obvious oxidation will occur in stainless steel pipe. Previous studies have shown that the time required for oxygen in air to diffuse to the fatigue crack tip is about the order of magnitude, and the biochemical reaction time between oxygen and fresh metal is longer than that of oxygen, which leads to high temperature air When the low cycle fatigue test is carried out in the gas environment, the oxygen content at the fatigue crack tip of the stainless steel pipe sample is always saturated, and the excess oxygen can diffuse to the base, resulting in the weakening of the bonding of the base metal atoms, increasing the embrittlement tendency of the material, and accelerating the expansion and growth of the crack. At the same time of low cycle fatigue, high temperature will also cause creep deformation of the stainless steel pipe, High temperature provides additional energy for the accelerated diffusion of atoms. When there are defects in the material, such as holes, voids, etc., the atomic diffusion becomes easy, and with the progress of low cycle fatigue, dislocations will be generated in the material. Under the action of stress, the slip and climb of dislocations interact with point defects to promote the aggregation of micropores and form large holes, such as holes and voids

.For example, if the actual thickness of stainless steel 51 round pipe is 0.9, the weight of a single 6-meter-long stainless steel pipe is (51-0.90.920.024916 = 87kg, and the theoretical weight of a 6-meter-long 51 round pipe is 0.92. For example, the weight of a single 6-meter-long stainless steel pipe of stainless steel square pipe 7545 with a thickness of 0.92 is [(75 + 4214-014-0.920.920.024916 = 38kg). If the weight of stainless steel pipe per meter is calculated, the length can be changed into one meter.

The Chinese brand cold rolled non oriented silicon steel strip (sheet) represents: DW + 100 times of iron loss value (at the frequency of 50Hz, the waveform is sinusoidal, and the magnetic induction peak is 5T per unit weight iron loss value) + 100 times of thickness value. For example, dw470-50 represents cold rolled non oriented silicon steel with iron loss value of 7W / kg and thickness of 0.5mm. Now the new model is represented as 50W470.

However, stainless steel is relative, and it is just ordinary stainless steel. It's better not to use it in a particularly polluted environment. You can rest assured to use stainless steel pipes in your daily life.


X5crni18-10 stainless steel plateWhat details should be paid attention to during operation



The resistance, linear coefficient, thermal conductivity, quality, line coefficient decreases at low temperature; The thermal conductivity and mass heat capacity decrease sharply at low temperature; Young's modulus (longitudinal modulus) increases when the temperature decreases. Because the austenitic series stainless steel pipe has MS point (martensite start temperature or martensite formation temperature) at low temperature (subzreo temperature), martensite can be formed when it is kept below MS point. The formation of martensite at low temperature makes the representative steel sus (18Cr-8Ni) of austenitic stainless steel non-magnetic at room temperature and magnetic at low temperature.

The petrochemical industry, including the chemical fertilizer industry,Stainless steel special-shaped pipe,316L stainless steel embossed plate, has a great demand for stainless steel pipes. Stainless steel pipes are mainly used in this industry, including, 32, 34317l, etc. with an outer diameter of about ¢ 18 - ¢ 610 and a wall thickness of about 6mm-50mm (generally medium and low pressure transmission pipes with a specification of more than & phi; 159mm). The specific application fields are: furnace pipes, material transmission pipes,304 stainless steel with magnetic, heat exchanger pipes, etc.

High pressure water jet cutting (professional water cutting: Shanghai Xinwei)

Industry management.Production and manufacturing can be divided into hot-rolled pipe, cold drawn pipe, pipe, etc.

  

However, some people will still communicate online or by telephone to ask whether the stainless steel pipe we produce can be used as a water pipe.


X5crni18-10 stainless steel plateWhat details should be paid attention to during operation



  ·Rotary shaft, press roller, blade impeller, etc. in high-strength corrosion-resistant environment.

Information recommendation.Doing well in marketing strategy innovation is a very key factor for every manufacturer joining stainless steel pipe to realize the marketing effect of market competition; However, due to the different characteristics of each market, stainless steel pipe manufacturers need to make different marketing strategy adjustments; As the saying goes, catching mice is a good cat& rdquo; Professional projects include: stainless steel plate, stainless steel coil, stainless steel belt, stainless steel pipe and other related businesses. Merchants who hope to have this business please. This is also true in the marketing strategy. Therefore, manufacturers of stainless steel pipes need to make marketing innovation at any time to match the changing market conditions.

There are mechanical, chemical and electrochemical methods to remove the scale of stainless steel pipe. Due to the complexity of the composition of the scale of stainless steel pipe, it is not easy to remove the scale on the surface and make the surface highly clear and flat. Generally, the removal of the scale of stainless steel pipe should be carried out in two steps, the first step is pretreatment and the second step is ash removal.

The competition in stainless steel pipe industry is fierce and gradually intensified. With the flood of fresh brand blood and the downturn of market economy, the development of stainless steel pipe manufacturers is faltering. However, it can be seen from some relevant data that the overall market potential is still great. Stainless steel pipe connection manufacturers should know how to proceed step by step and make steady progress in order to have a chance to win the market.

.In order to ensure that the mechanical properties such as yield strength, tensile strength, elongation and hardness of various stainless steel coils meet the requirements the stainless steel coils must undergo heat treatment such as annealing, solution treatment and aging treatment before delivery. The corrosion resistance of stainless steel coil mainly depends on its alloy composition (chromium, titanium, silicon aluminum, etc.) and the interior of stainless steel coil

5cm thick stainless steel plate shall be processed with special cutting tools, such as laser cutting machine with large wattage

  430— Ferritic stainless steel for decoration, such as automotive accessories. Good formability, but poor temperature resistance and corrosion resistance.