Stainless steel shower pipeApplication and market analysis

announcer:hp717HP127443542 release time:2022-02-18 11:27:57

As we all know, stainless steel pipe has a strong ability of atmospheric oxidation and is not easy to rust under normal circumstances & ldquo; Stainless steel pipe & rdquo; Hence the name of. But what I want to tell you today is that stainless steel pipes will also rust. I believe many friends will be surprised! I believe there are many people who don't know how to explain to customers! Next, let's popularize science!

The heat-treated alloy should be 1900 DEG at low temperature; Annealing treatment at the temperature of F, then rapid cooling and water quenching. This treatment is applied to solid melt annealing and stress relief. Stress relief treatment, such as below 1900 DEG; F, which is easy to lead to the precipitation of harmful metal or non-metallic phases.

.The back is not protected by argon, and the flux cored wire + TIG process has been applied in China for several years. Flux cored wires such as e308t1-e308lt1-e309t1-e309lt1-347t1-et1-elt1-1 have been produced and applied to field welding, and good economic benefits have been obtained.

The method is that the heated tube blank is placed in a closed cylinder, and the perforated rod and rod move to extrude the part from the smaller die hole. This method can produce steel pipes with smaller diameter.

.Stainless steel is a common steel in stainless steel, also known as 188 stainless steel. It is characterized by high temperature resistance, excellent processing performance and good toughness, so it is made into a frequently used steel. Common in life are stainless steel pipe stainless steel plate, stainless steel coil and other building materials. As a very important building material, stainless steel is widely used in industry, construction industry, home decoration industry and food and medical industry. It is one of the indispensable materials in life! So what items are made of stainless steel in our life? Let's have a look!

Cold rolled steel strip shall be delivered in the state of heat treatment (annealing, normalizing and tempering after normalizing), and shall be delivered smoothly.

At low temperature, the quality of professional stainless steel plate, strip and tube is guaranteed. The company is professional, timely and cost-effective. It has become the first choice brand for many wire products. Welcome to buy! Ferritic stainless steel tubes have low-temperature brittleness like carbon steel, ferritic or martensitic stainless steels have low-temperature brittleness Austenitic stainless steel or nickel base alloy does not show low temperature brittleness. Sus410 (13Cr), SUS430 of ferritic stainless steel pipe (18cr) and others show a sharp drop in impact value at low temperature. Therefore, it is necessary to pay special attention when using at low temperature. As a way to improve the impact toughness of ferritic series stainless steel, when the embrittlement temperature is improved in the range of - 50 ℃ to - 100 ℃, it is possible to use it in freezing related projects Sus430lx (18cr Ti, Nb LC) and sus436l (18cr Mo Ti, Nb LC) have been applied to frozen shells. Ferritic stainless steel has a body centered cubic structure. When the material properties become weak, sharp cracks will expand rapidly and cause brittleness. Austenitic stainless steel will not produce brittleness because it has a face centered cubic structure. Austrian stainless steel SUSL (18cr-9ni LC) is used And SUSL (18cr-12ni-2mo-lc) show that they still have superior impact characteristics at low temperature. However, pay attention to the precipitation of ferrite or martensite due to processing, and the tendency of embrittlement due to sensitization and carbide or & sigma; equal heterogeneous precipitation.


Stainless steel shower pipeApplication and market analysis



The packaging itself requires manufacturing costs, and the cost of packaging requires labor costs, the sum of which exceeds the weight of a single bag.

500 Series & mdash; Heat resistant chromium alloy steel.

Prepare materials and tools, prepare corresponding materials and tools, the United States has imposed anti-dumping and countervailing duties on a variety of steel pipe products exported from China, including ring welded pipe, rectangular pipe, pipeline pipe, welded stainless steel pressure pipe, oil well pipe and seamless steel pipe. These foreign double back pressures have greatly reduced the number of steel pipes exported by China.

The corrosion resistance of corrosion-resistant stainless steel plate mainly depends on its alloy composition (chromium, nickel titanium, silicon, aluminum, manganese, etc.) And internal structure, which mainly acts on chromium. Chromium has high chemical stability, can form a passive film on the steel surface, isolate the metal from the outside, protect the steel plate from oxidation and increase the corrosion resistance of the steel plate. After the passive film, the corrosion resistance decreases.

  ≥205TS(Mpa)


Stainless steel shower pipeApplication and market analysis



  ≥520EL(%)

Welcome calls .  — General model; 188 stainless steel. The GB brand is 0Cr18Ni9.

Stainless steel pipe is durable and has been recognized by the engineering community, and relevant parties are starting from reducing the wall thickness and lowering the grid, so as to facilitate further development. In particular, the price of stainless steel pipe is not high, so the supporting connection, the reliability and price of pipe fittings are the main factors determining its development. Domestic developers have independently developed connection technology and pipe fittings in Sichuan, Guangdong,Stainless steel downpipe, Zhejiang, Jiangsu and other places, which is a promising pipe. The Ministry of construction and relevant departments also attach great importance to this new type of pipe. According to China technology market management promotion center and gksz [2001] No. 71 document on Application & ldquo; High diameter to wall ratio and high precision stainless steel medium and high pressure water supply pipes and supporting fittings and special technology & rdquo; It is learned from the notice that the application of stainless steel pipe technology and product is of great significance to improve the grade of modern buildings in China and improve and ensure the water quality of water supply.

For example, the raw material difference of the three materials, such as 20 and, which are common in the market is more than 5000 yuan per ton.

.Since last year, foreign countries have frequently carried out & ldquo; Double inverse & 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. In the face of the current economic downturn and slow development speed, the development of China's stainless steel industry should continuously improve product quality, Better develop overseas trade and deal with trade protectionism,302 stainless steel pipe, combine products with environmental protection,Price of 304 stainless steel strip, energy resources and cultural environment, and improve the competitiveness of stainless steel products. Only in this way can we achieve an invincible position in foreign trade.

The content of chromium, molybdenum and nitrogen in local corrosion-resistant duplex stainless steel makes it have strong ability to spot corrosion and interstitial corrosion in oxidizing and acidic solutions.

2B cold rolling shall be subject to heat treatment, pickling or similar treatment, and then leveled to obtain appropriate gloss.