347 stainless 
1018 stainless630— Common precipitation hardening stainless steel models, products and tens of millions of products are up to you to choose. Professional stainless steel plate, stainless steel coil, stainless steel belt and stainless steel pipe are safe and secure. They are usually also called 17-17% Cr and 4% Ni.
1 cold rolled oriented silicon steel strip (sheet) represents: 100 times of DQ + iron loss value (at the frequency of 50Hz, dq133 represents cold-rolled oriented silicon steel strip (sheet) with iron loss value of 3 and thickness of 0.3mm. Now the new model is 30q133.
.In the interior decoration project, the proportion of water pipes is very small, whether it is data consumption or price. However, once the water pipes show achievements, the results will be very serious. Therefore, it is extremely important to choose water pipes with reliable quality, high volatility, convenient maintenance, health and environmental protection. With the development of the national economy and the progress of people's living standards, people's requirements for domestic water pay more and more attention to health and environmental protection. A good water source escort pipeline has become a careful choice. Water pipes are generally experienced in lead pipes & rarr; Copper pipe & rarr; Iron pipe & rarr; Galvanized iron pipe → Plastic pipe & rarr; Development process of stainless steel pipe. It has become a trend in the world to select high-quality stainless steel materials as water supply pipes. The material indicates that in Germany, more than 80% of residents choose stainless steel water pipes; In Japan, more than 85% of households in Tokyo have adopted stainless steel water pipes; In Australia, it has begun to change other pipes to stainless steel pipes; In the United States, the water pipes of five-star hotels in Las Vegas are all made of stainless steel. Since the beginning of the 21st century, due to the progress of living standards, more than 30% of residents in China need water pipes to meet their needs of high-quality life. Therefore, high-quality stainless steel materials move from tableware to household water pipes. It has become a trend to select high-quality stainless steel pipes in tooling or home decoration projects. Stainless steel water pipes and stainless steel pipe fittings will become an indispensable part of the building materials market in the future. Stainless steel material is a recognized health material that can be implanted. The manufacture of water pipes based on stainless steel has a long history in developed countries. Stainless steel pipe has gradually become a new choice of water supply pipe with the characteristics of safety, environmental protection, economy and applicability, and has become the current world trend and development direction. Stainless steel water pipe is called the real green pipe in the 21st century. With the gradual standardization of stainless steel pipe industry, it can be predicted that the consumption technology and connection technology of stainless steel pipe will also slow down to standardization and become more and more perfect. The development of stainless steel pipe technology will not only create a favorable condition for health, but also win a larger market for stainless steel pipe enterprises. Stainless steel pipe entering the construction and decoration market is an attack in the water pipe industry.
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.
.(soft, 1 / 23 / 4h) and other primary and secondary stainless steel coils.
Stainless steel pipe is a common material in stainless steel, with a density of 93 GCM, which is also called 188 stainless steel in the industry. High temperature resistance of 800 ℃, with the characteristics of good processing performance and high toughness, it is widely used in industry, furniture decoration industry and food and medical industry.
The inner and outer surfaces of precision stainless steel pipe and thick wall pipe shall be free of cracks, folds, rolling folds, delamination, scabs and other defects, which need to be completely removed (unless they are specially used for machining) And after removing the stainless steel pipe wall, the wall thickness and outer diameter shall not exceed the negative deviation. As long as some minor surface defects that do not exceed the allowable negative deviation do not need to be removed.
Because the family kitchen and are in the same environment for a long time, the ordinary steel pipe will rust after being used for a period of time, the service life is not long, and it will affect the safety of family drinking water! Therefore, the use of stainless steel pipe here can ensure long-term non rusting, and the corrosion resistance and tensile resistance of stainless steel pipe itself. Professional stainless steel plate, stainless steel coil, stainless steel belt, stainless steel pipe, safety, environmental protection and economy! The products are exported to foreign countries and are deeply trusted, which makes the stainless steel pipe more and more popular in the field of home decoration!
2. Raw material problem of stainless steel pipe. If the hardness is too low, it is not easy to polish (BQ is not good). If the hardness is too low, orange peel is easy to appear on the surface during deep drawing, which affects BQ performance. BQ with high hardness is relatively good.
L stainless steel pipe is also called 00Cr17Ni14Mo2 stainless steel pipe. 00Cr17Ni14Mo2 is an ultra-low carbon steel of 0Cr17Ni12Mo2. 00Cr17Ni14Mo2 has better intergranular corrosion resistance than 0cr17ni14mo2. It is usually used to manufacture industrial equipment such as chemical industry, chemical fertilizer and chemical fiber, such as containers, pipelines and structural parts.
Interpretation and observation.The above conditions can cause corrosion of the protective film on the surface of stainless steel.
The stainless steel strip is supplied in coils, also known as strip steel. It is divided into hot rolling and cold rolling, as well as ordinary steel strip and high-quality steel strip. There are many kinds of stainless steel belts! Wide use! There are: 201 stainless steel belt 202 stainless steel belt, 301 stainless steel belt 304 stainless steel belt, 302 stainless steel belt, 303 stainless steel belt, 316 stainless steel belt,410 stainless steel with magnetic, 309S stainless steel belt, 316L stainless steel belt, 317L stainless steel belt, 310S stainless steel belt, 430 stainless steel iron belt, etc! Thickness: 0.02mm-4mm, width: 5mm-1550mm, can be customized without standard!
If packing is not required, it shall be indicated in the contract and will not bear the problem of scratching and scratching the surface of stainless steel pipe due to opening the packing bag.
After the pipeline is installed and the pressure test is qualified, it is better to wash with low chloride ion water and disinfect with 0.03% potassium permanganate.
Executive standard.Theoretical weight: Cr Ni austenitic stainless steel austenitic stainless steel (kg / M) s-wall thickness (mm)
Good ductility, used for forming products. It can also be machined to harden rapidly. Good weldability. Wear resistance and fatigue strength are better than stainless steel.
400 series & mdash; Ferritic and martensitic stainless steel.
.Relevant information 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,National standard for stainless steel pipe, China's stainless steel export has encountered great resistance.
◆ stainless steel and alloy tool steel (C content is expressed in thousandths), such as 1 thousandth of 1Cr18Ni9 (i.e., stainless C & LE); 0.08%,Stainless steel pipe threading, such as 0Cr18Ni9, ultra low carbon C & le; 0.03% if the international stainless steel mark, the American Iron and Steel Institute uses three digits to mark various standard grades of malleable stainless steel. Among them, austenitic stainless steel is indicated by numbers of 200 and 300 series, and ferritic and martensitic stainless steel is indicated by numbers of 400 series. For example, some common austenitic stainless steels are marked with 20, 30, 316 and 310, ferritic stainless steels are marked with 430 and 446, martensitic stainless steels are marked with 4420 and 440C, duplex (austenitic ferrite), stainless steels, precipitation hardening stainless steels and high alloys with iron content less than 50% are usually named by patent name or trademark.
Difference between L stainless steel pipe and stainless steel pipe: and L stainless steel are molybdenum containing stainless steel. The molybdenum content of L stainless steel is slightly higher than that of stainless steel. Due to the molybdenum in the steel, the overall performance of this steel is better than that of and stainless steel. Stainless steel has a wide range of applications under high temperature conditions when the concentration of is lower than 15% and higher than 85%. In addition, stainless steel also has good chloride corrosion performance so it is usually used in marine environment. The large carbon content of L stainless steel is 0.0, which can be used in applications where annealing cannot be carried out after welding and great corrosion resistance is required.