STAINLESS STEEL PIPES AND FITTINGS
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Description:
Stainless Steel Pipe
Material:
304 321 316 310
Packing:
In bundle
MOQ:
5 TONS
Comparison of standardized steels
EN-standard Steel no. k.h.s DIN | EN-standard Steel name | SAE grade | UNS |
---|---|---|---|
1.4109 | X65CrMo14 | 440A | S44002 |
1.4112 | X90CrMoV18 | 440B | S44003 |
1.4125 | X105CrMo17 | 440C | S44004 |
| | 440F | S44020 |
1.4016 | X6Cr17 | 430 | S43000 |
1.4408 | G-X 6 CrNiMo 18-10 | 316 | |
1.4512 | X6CrTi12 | 409 | S40900 |
| | 410 | S41000 |
1.4310 | X10CrNi18-8 | 301 | S30100 |
1.4318 | X2CrNiN18-7 | 301LN | |
1.4307 | X2CrNi18-9 | 304L | S30403 |
1.4306 | X2CrNi19-11 | 304L | S30403 |
1.4311 | X2CrNiN18-10 | 304LN | S30453 |
1.4301 | X5CrNi18-10 | 304 | S30400 |
1.4948 | X6CrNi18-11 | 304H | S30409 |
1.4303 | X5CrNi18-12 | 305 | S30500 |
| X5CrNi30-9 | 312 | |
1.4541 | X6CrNiTi18-10 | 321 | S32100 |
1.4878 | X12CrNiTi18-9 | 321H | S32109 |
1.4404 | X2CrNiMo17-12-2 | 316L | S31603 |
1.4401 | X5CrNiMo17-12-2 | 316 | S31600 |
1.4406 | X2CrNiMoN17-12-2 | 316LN | S31653 |
1.4432 | X2CrNiMo17-12-3 | 316L | S31603 |
1.4435 | X2CrNiMo18-14-3 | 316L | S31603 |
1.4436 | X3CrNiMo17-13-3 | 316 | S31600 |
1.4571 | X6CrNiMoTi17-12-2 | 316Ti | S31635 |
1.4429 | X2CrNiMoN17-13-3 | 316LN | S31653 |
1.4438 | X2CrNiMo18-15-4 | 317L | S31703 |
1.4362 | X2CrNi23-4 | 2304 | S32304 |
1.4462 | X2CrNiMoN22-5-3 | 2205 | S31803/S32205 |
1.4539 | X1NiCrMoCu25-20-5 | 904L | N08904 |
1.4529 | X1NiCrMoCuN25-20-7 | | N08926 |
1.4547 | X1CrNiMoCuN20-18-7 | 254SMO | S31254 |
Stainless steel’s resistance to corrosion and staining, low maintenance and familiar lustre make it an ideal material for many applications. There are over 150 grades of stainless steel, of which fifteen are most commonly used. The alloy is milled into coils, sheets, plates, bars, wire, and tubing to be used in cookware, cutlery, household hardware, surgical instruments, major appliances, industrial equipment (for example, in sugar refineries) and as an automotive and aerospace structural alloy and construction material in large buildings. Storage tanks and tankers used to transport orange juice and other food are often made of stainless steel, because of its corrosion resistance. This also influences its use in commercial kitchens and food processing plants, as it can be steam-cleaned and sterilized and does not need paint or other surface finishes.
Stainless steel is used for jewelry and watches with 316L being the type commonly used for such applications. It can be re-finished by any jeweler and will not oxidize or turn black.
Some firearms incorporate stainless steel components as an alternative to blued or parkerized steel. Some handgun models, such as the Smith & Wesson Model 60 and the Colt M1911 pistol, can be made entirely from stainless steel. This gives a high-luster finish similar in appearance to nickel plating. Unlike plating, the finish is not subject to flaking, peeling, wear-off from rubbing (as when repeatedly removed from a holster), or rust when scratched.
Architecture[edit]
Stainless steel is used for buildings for both practical and aesthetic reasons. Stainless steel was in vogue during the art deco period. The most famous example of this is the upper portion of the Chrysler Building (pictured). Some diners and fast-food restaurants use large ornamental panels and stainless fixtures and furniture. Because of the durability of the material, many of these buildings retain their original appearance.
Type 316 stainless is used on the exterior of both the Petronas Twin Towers and the Jin Mao Building, two of the world's tallest skyscrapers.[17]
The Parliament House of Australia in Canberra has a stainless steel flagpole weighing over 220 tonnes (240 short tons).
The aeration building in the Edmonton Composting Facility, the size of 14 hockey rinks, is the largest stainless steel building in North America.
Bridges[edit]
Cala Galdana Bridge in Minorca (Spain) was the first stainless steel road bridge.
Sant Fruitos Pedestrian Bridge (Catalonia, Spain), arch pedestrian bridge.
Padre Arrupe Bridge (Bilbao, Spain) links the Guggenheim museum to the University of Deusto.[18]
Monuments and sculptures[edit]
The Unisphere, constructed as the theme symbol of the 1964-5 World's Fair in New York City, is constructed of Type 304L stainless steel as a sphere with a diameter of 120 feet, or 36.57 meters.
The Gateway Arch (pictured) is clad entirely in stainless steel: 886 tons (804 metric tonnes) of 0.25 in (6.4 mm) plate, #3 finish, type 304 stainless steel.[19]
The United States Air Force Memorial has an austenitic stainless steel structural skin.
The Atomium in Brussels, Belgium was renovated with stainless-steel cladding in a renovation completed in 2006; previously the spheres and tubes of the structure were clad in aluminium.
The Cloud Gate sculpture by Anish Kapoor, in Chicago US.
The Sibelius monument in Helsinki, Finland, is made entirely of stainless steel tubes.
The Man of Steel (sculpture) under construction in Rotherham, England.
Other[edit]
- Automotive bodies
The Allegheny Ludlum Corporation worked with Ford on various concept cars with stainless steel bodies from the 1930s through the 1970s, as demonstrations of the material's potential. The 1957 and 1958 Cadillac Eldorado Brougham had a stainless steel roof. In 1981 and 1982, the DeLorean DMC-12 production automobile used stainless steel body panels over a glass-reinforced plasticmonocoque. Intercity buses made by Motor Coach Industries are partially made of stainless steel. The aft body panel of the Porsche Cayman model (2-door coupe hatchback) is made of stainless steel. It was discovered during early body prototyping that conventional steel could not be formed without cracking (due to the many curves and angles in that automobile). Thus, Porsche was forced to use stainless steel on the Cayman.
- Passenger rail cars
Rail cars have commonly been manufactured using corrugated stainless steel panels (for additional structural strength). This was particularly popular during the 1960s and 1970s, but has since declined. One notable example was the early Pioneer Zephyr. Notable former manufacturers of stainless steel rolling stock included the Budd Company (USA), which has been licensed to Japan's Tokyu Car Corporation, and the Portuguese company Sorefame. Many railcars in the United States are still manufactured with stainless steel, unlike other countries who have shifted away.
- Aircraft
Budd also built an airplane, the Budd BB-1 Pioneer, of stainless steel tube and sheet, which is on display at the Franklin Institute.
The American Fleetwings Sea Birdamphibious aircraft of 1936 was also built using a spot-welded stainless steel hull.
The Bristol Aeroplane Company built the all-stainless steel Bristol 188 high-speed research aircraft, which first flew in 1963.
The use of stainless steel in mainstream aircraft is hindered by its excessive weight compared to other materials, such as aluminum.
- Jewelry
Valadium, a stainless steel and 12% nickel alloy is used to make class and military rings. Valadium is usually silver-toned, but can be electro-charged to give it a gold tone. The gold tone variety is known as Sun-lite Valadium
- Q: How do you prevent oxidation in stainless steel pipes?
- There are several methods to prevent oxidation in stainless steel pipes. One effective way is to apply a protective coating or finish on the surface of the pipes. This can be done using various types of coatings such as paints, epoxy, or polyurethane. These coatings act as a barrier, preventing oxygen from coming into contact with the stainless steel and therefore reducing the chances of oxidation. Additionally, regular cleaning and maintenance of the pipes is crucial in preventing oxidation. It is important to remove any dirt, debris, or corrosive substances that may have accumulated on the surface of the pipes. This can be done using mild detergents or specialized cleaning agents specifically designed for stainless steel. Another preventive measure is to ensure proper ventilation in the area where the stainless steel pipes are installed. Adequate ventilation helps to minimize the presence of moisture or humidity, which can accelerate the oxidation process. Additionally, keeping the pipes dry and avoiding prolonged exposure to water or moisture is essential in preventing oxidation. Lastly, it is important to select the appropriate grade of stainless steel for the intended application. Different grades of stainless steel offer varying levels of resistance to oxidation. For example, austenitic stainless steel grades such as 304 and 316 are highly resistant to oxidation and are commonly used in applications where corrosion resistance is crucial. Overall, a combination of preventive measures such as protective coatings, regular cleaning, proper ventilation, and selecting the appropriate stainless steel grade can help effectively prevent oxidation in stainless steel pipes.
- Q: Are stainless steel pipes resistant to corrosion?
- Yes, stainless steel pipes are highly resistant to corrosion. This is due to the presence of chromium in stainless steel, which forms a passive layer on the surface of the pipe. This passive layer acts as a protective barrier, preventing the metal underneath from coming into contact with corrosive substances. The chromium content in stainless steel is typically at least 10.5%, which is higher than other types of steel, and this helps to enhance its corrosion resistance. Stainless steel pipes are widely used in various industries such as construction, oil and gas, and automotive, where corrosion resistance is essential to ensure the longevity and integrity of the pipes.
- Q: Are stainless steel pipes suitable for chemical processing?
- Indeed, stainless steel pipes are well-suited for chemical processing purposes. Renowned for their exceptional resistance to corrosion, stainless steel pipes prove to be an optimal choice when it comes to managing a wide range of chemicals in various processing industries. These pipes exhibit resistance not only towards organic and inorganic chemicals, but also acids, alkalis, and solvents. Consequently, they can endure high temperatures and pressures, thus demonstrating their aptitude for handling aggressive chemicals and upholding process integrity. Moreover, stainless steel boasts hygienic attributes, as it is impermeable and effortless to clean, thereby ensuring the purity of the chemicals undergoing processing. Furthermore, stainless steel pipes possess an extended lifespan and necessitate minimal maintenance, thus presenting a cost-effective solution for chemical processing applications.
- Q: What is the difference between duplex and super duplex stainless steel pipes?
- Duplex and super duplex stainless steel pipes are both variations of stainless steel that offer enhanced corrosion resistance and superior strength compared to traditional stainless steel pipes. However, there are some key differences between the two. Duplex stainless steel pipes are made up of a mixture of austenite and ferrite phases, with around equal amounts of each. This balanced composition provides excellent resistance to stress corrosion cracking, pitting, and crevice corrosion. Duplex stainless steel pipes have a higher strength compared to austenitic stainless steels, making them suitable for applications that require higher mechanical strength. On the other hand, super duplex stainless steel pipes have an even higher content of alloying elements such as chromium, molybdenum, and nitrogen. This results in a microstructure with a higher proportion of ferrite phase, further enhancing the material's corrosion resistance and strength. Super duplex stainless steel pipes are particularly resistant to chlorides, making them ideal for applications exposed to aggressive environments such as seawater, chemical processing, and oil and gas industries. In terms of mechanical properties, super duplex stainless steel pipes typically have a higher tensile strength and yield strength compared to duplex stainless steel pipes. This increased strength allows super duplex stainless steel pipes to withstand higher pressures and temperatures. Both duplex and super duplex stainless steel pipes offer excellent corrosion resistance, but the super duplex variant provides superior resistance to a wider range of corrosive environments. However, it is important to note that super duplex stainless steel pipes are more expensive than duplex stainless steel pipes due to their higher alloy content. Ultimately, the choice between duplex and super duplex stainless steel pipes depends on the specific application requirements, such as the severity of the corrosive environment, mechanical strength needed, and budget considerations.
- Q: Can stainless steel pipes be used for paper and pulp industry applications?
- Yes, stainless steel pipes can be used for paper and pulp industry applications. Stainless steel is resistant to corrosion, chemicals, and high temperatures, making it ideal for handling corrosive liquids and chemicals used in the paper and pulp industry. Additionally, stainless steel pipes provide excellent strength and durability, ensuring long-lasting performance in demanding industrial environments.
- Q: What is the difference between seamless and cold-rolled stainless steel pipes?
- The main difference between seamless and cold-rolled stainless steel pipes lies in their manufacturing process and the resulting characteristics. Seamless stainless steel pipes are produced by piercing a solid cylindrical billet of stainless steel and then processing it through various steps such as elongation and reduction to achieve the desired size and shape. This process ensures that the pipe has a smooth and even surface, without any welded seams. As a result, seamless stainless steel pipes exhibit superior strength, durability, and resistance to corrosion. They are also known for their ability to withstand high pressure and temperature conditions, making them suitable for a wide range of applications, including oil and gas pipelines, chemical processing, and power generation. On the other hand, cold-rolled stainless steel pipes are manufactured by rolling stainless steel sheets or strips at room temperature. This process involves passing the material through a series of rollers to reduce its thickness and shape it into a cylindrical form. Unlike seamless pipes, cold-rolled pipes have welded seams that may be visible on the surface. While these seams can potentially weaken the pipe, they can be mitigated by applying additional processes such as heat treatment or cold working to enhance the strength and integrity of the weld. The choice between seamless and cold-rolled stainless steel pipes depends on the specific requirements of the application. Seamless pipes are generally preferred when high strength, corrosion resistance, and pressure resistance are critical, especially in industries where leaks or failure can have severe consequences. Cold-rolled pipes, on the other hand, may be more suitable for applications where cost-effectiveness and moderate performance are sufficient, such as certain plumbing systems or decorative purposes. In summary, seamless stainless steel pipes are produced without welded seams, offering superior strength, durability, and resistance to corrosion, making them ideal for demanding applications. Cold-rolled stainless steel pipes, with visible welded seams, are generally more cost-effective and suitable for less demanding applications that don't require the same level of strength and corrosion resistance.
- Q: Can stainless steel pipes be welded to other materials?
- Yes, stainless steel pipes can be welded to other materials. However, the compatibility and success of the welding process may vary depending on the specific materials involved. It is important to consider factors such as the composition, thickness, and intended application of the materials before attempting to weld them together. Additionally, proper welding techniques and equipment must be used to ensure a strong and durable bond between the stainless steel pipe and the other material.
- Q: What is the yield strength of stainless steel pipes?
- The yield strength of stainless steel pipes varies depending on the specific grade and composition of the stainless steel. However, stainless steel pipes generally have yield strengths ranging from 30,000 to 100,000 pounds per square inch (psi). It is important to note that the yield strength represents the point at which the material begins to deform permanently under applied stress. Therefore, it is crucial to choose the appropriate grade and thickness of stainless steel pipe based on the intended application and the specific mechanical properties required.
- Q: Can stainless steel pipes be used for irrigation well systems?
- Yes, stainless steel pipes can be used for irrigation well systems. Stainless steel pipes are known for their durability and corrosion resistance, making them an excellent choice for irrigation applications. They are resistant to rust, corrosion, and chemical reactions, ensuring a long lifespan and reliable performance in various soil and water conditions. Additionally, stainless steel pipes have high tensile strength, making them suitable for handling the pressure and stress associated with irrigation systems. Overall, stainless steel pipes are a reliable and efficient option for irrigation well systems.
- Q: What is the difference between 304J5 and 316J5 stainless steel pipes?
- The primary distinction between stainless steel pipes of 304J5 and 316J5 lies in their chemical composition and their ability to resist corrosion. 304J5 stainless steel is classified as an austenitic stainless steel variant, comprising 18-20% chromium and 8-10% nickel. It also contains a small amount of carbon and manganese. This composition offers exceptional strength, durability, and resistance to corrosion, making it suitable for a wide range of applications, including plumbing, food processing, and chemical industries. However, it is important to note that 304J5 stainless steel is not as resistant to corrosion in chloride-rich environments as 316J5 stainless steel. On the other hand, 316J5 stainless steel is a higher-grade stainless steel variant that incorporates 16-18% chromium, 10-14% nickel, and 2-3% molybdenum. The addition of molybdenum significantly enhances its corrosion resistance, particularly in chloride-rich environments like coastal or marine areas. This makes 316J5 stainless steel pipes more suitable for applications that involve exposure to saltwater or corrosive chemicals, such as marine equipment, chemical processing plants, and coastal structures. In conclusion, although both 304J5 and 316J5 stainless steel pipes offer commendable corrosion resistance, the presence of molybdenum in 316J5 provides it with superior resistance to corrosion, especially in chloride-rich environments. Therefore, the choice between the two depends on specific application requirements and the desired level of corrosion resistance.
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STAINLESS STEEL PIPES AND FITTINGS
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
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