The best choice is also frequently launched in the market. If you want to buy a stainless steel water supply pipe with quality assurance, how should you choose?
Seamless steel pipe belongs to the category with relatively high added value among steel pipe products, and the products involved in this case belong to the medium and high-end products of stainless steel pipe. According to incomplete statistics, in 2010, China exported about 20000 tons of stainless steel pipes to the EU, accounting for about 13% of the total exports of stainless steel pipes that year.
.;- Ferromagnetism due to m transformation shall be considered in use (such as in instrument parts).
High pressure water jet cutting (professional water cutting: Shanghai Xinwei)
.It is a kind of product manufacturing enterprise. It has long been specialized in L stainless steel pipe, s stainless steel pipe and 904L stainless steel pipe. Therefore, the specification of a group of slightly larger formed pipes used in the production of pipe molds is about 6000-20000.
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 with domestic (imported) stainless steel belt: stainless steel coil belt, stainless steel spring belt, stainless steel stamping belt, stainless steel precision belt, stainless steel mirror belt, stainless steel cold rolling belt, stainless steel
The pipe fittings must rotate slowly facing the pipe. If they are tight, please use clean water pipe fittings and sealing rings.
Stainless steel and alloy tool steel (C content is expressed in thousandths), such as 1 thousandth of 1Cr18Ni9 (i.e. 0.1% C), stainless C & le; 0.08%, such as 0CR18NI ultra low carbon C & le; 0.03% such as 0cr17ni13mo.
The surface of the steel strip in the state of supply shall be rough or bright.
Installation material list.According to rolling, it is divided into hot rolled, hot drawn and cold drawn (rolled) stainless steel pipes.
The application of stainless steel pipe in the automobile industry is developing rapidly. In recent ten years stainless steel pipe materials have been widely used in public transportation tools such as buses, subways, household cars and so on!
Stainless welded disc (grade I) gb1270-80 stainless steel pipe (grade I)
In the building water supply pipe system, since the galvanized steel pipe has ended its glorious history of one hundred years, various new plastic pipes and composite pipes have developed rapidly. The professional stainless steel plate, stainless steel coil, stainless steel belt and stainless steel pipe have advanced technology, strict testing, more affordable price and more preferential treatment. Welcome to consult. However, there are still some deficiencies in various pipes to varying degrees, It is far from fully meeting the needs of water supply pipeline system and 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. Chemical analysis: carry out chemical analysis on the chemical composition of the material, and the chemical composition meets the requirements
Recommendation and consultation.In order to prevent the occurrence of welding pores, the welding parts must be cleaned if there is rust, oil stain, etc.
Accounting for about 8% - 16% of the total steel, it is widely used in the national economy. Because the steel pipe has a hollow section, it is suitable for gas and solid transmission pipelines; at the same time, compared with the round steel of the same weight the steel pipe has large section coefficient and high flexural and torsional strength, so it has also become an important material in various machinery and building structures. Stainless steel is used Under the condition of equal weight, stainless steel pipe itself is an economic section steel that saves metal. It is an important part of steel, especially in oil drilling, production and metallurgy
Stainless steel pipes are divided into hot rolled, hot drawn and cold drawn (rolled) stainless steel pipes according to the connection and rolling process. According to the difference of stainless steel microstructure, they mainly include semi Ferritic and semi martensitic stainless steel pipes, martensitic stainless steel pipes, austenitic stainless steel pipes, etc.
.The above conditions can cause corrosion of the protective film on the surface of stainless steel.
During butt backing, in order to prevent the back of the underlying weld bead from being oxidized, the back also needs to be protected by gas.
The power supply with vertical external characteristics is adopted, and the positive polarity is adopted in DC (the welding wire is connected to the negative pole).