• STAINLESS STEEL PIPES AND FITTINGS System 1
STAINLESS STEEL PIPES AND FITTINGS

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 gradeUNS
1.4109X65CrMo14440AS44002
1.4112X90CrMoV18440BS44003
1.4125X105CrMo17440CS44004
440FS44020
1.4016X6Cr17430S43000
1.4408G-X 6 CrNiMo 18-10316
1.4512X6CrTi12409S40900
410S41000
1.4310X10CrNi18-8301S30100
1.4318X2CrNiN18-7301LN
1.4307X2CrNi18-9304LS30403
1.4306X2CrNi19-11304LS30403
1.4311X2CrNiN18-10304LNS30453
1.4301X5CrNi18-10304S30400
1.4948X6CrNi18-11304HS30409
1.4303X5CrNi18-12305S30500
X5CrNi30-9312
1.4541X6CrNiTi18-10321S32100
1.4878X12CrNiTi18-9321HS32109
1.4404X2CrNiMo17-12-2316LS31603
1.4401X5CrNiMo17-12-2316S31600
1.4406X2CrNiMoN17-12-2316LNS31653
1.4432X2CrNiMo17-12-3316LS31603
1.4435X2CrNiMo18-14-3316LS31603
1.4436X3CrNiMo17-13-3316S31600
1.4571X6CrNiMoTi17-12-2316TiS31635
1.4429X2CrNiMoN17-13-3316LNS31653
1.4438X2CrNiMo18-15-4317LS31703
1.4362X2CrNi23-42304S32304
1.4462X2CrNiMoN22-5-32205S31803/S32205
1.4539X1NiCrMoCu25-20-5904LN08904
1.4529X1NiCrMoCuN25-20-7N08926
1.4547X1CrNiMoCuN20-18-7254SMO

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]

Main article: Architectural steel

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]

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: Are stainless steel pipes suitable for wastewater treatment plants?
Yes, stainless steel pipes are highly suitable for wastewater treatment plants. They offer excellent corrosion resistance, durability, and strength, ensuring long-term reliability and minimal maintenance requirements. Stainless steel pipes can withstand the harsh and corrosive conditions found in wastewater treatment plants, making them an ideal choice for conveying and handling various types of wastewater.
Q: What is the difference between 304H and 304 stainless steel pipes?
The main difference between 304H and 304 stainless steel pipes lies in their carbon content. While both grades are variants of the 304 stainless steel alloy, 304H contains a higher carbon content compared to 304. This higher carbon content allows 304H to be used in higher temperature applications, as it provides improved high-temperature strength and resistance to sensitization. In contrast, 304 stainless steel pipes are more suitable for general-purpose applications, as they offer good corrosion resistance and are commonly used in a wide range of industries. Therefore, the choice between 304H and 304 stainless steel pipes depends on the specific requirements of the application, particularly the operating temperature and the need for enhanced strength and resistance to sensitization.
Q: What is the difference between stainless steel pipes and carbon steel pipes?
The main difference between stainless steel pipes and carbon steel pipes lies in their composition. Stainless steel pipes contain a higher percentage of chromium, which provides excellent resistance to corrosion and oxidation. On the other hand, carbon steel pipes have a higher carbon content, making them stronger and more durable. Stainless steel pipes are commonly used in applications where corrosion resistance is crucial, such as in the food and chemical industries, while carbon steel pipes are often used for high-pressure and high-temperature applications, such as in oil and gas pipelines.
Q: What is the difference between electropolished and passivated stainless steel pipes?
Electropolished and passivated stainless steel pipes are both surface treatments used to enhance the corrosion resistance and aesthetic appearance of stainless steel. However, there are some key differences between the two processes. Electropolishing is an electrochemical process that selectively removes a thin layer of material from the stainless steel surface. This process helps to remove impurities, contaminants, and embedded particles, resulting in a smooth and clean surface. Electropolishing also improves the microfinish of the stainless steel, reducing surface roughness and enhancing the overall appearance. This process can also improve the corrosion resistance of stainless steel by creating a passive chromium oxide layer on the surface. On the other hand, passivation is a chemical process that involves the application of an acid-based solution to the stainless steel surface. This solution helps to remove iron contaminants and other foreign substances from the surface, leaving behind a clean and passive layer of chromium oxide. Passivation helps to enhance the corrosion resistance of stainless steel by promoting the formation of a stable and protective oxide layer. In summary, electropolishing is an electrochemical process that removes a thin layer of material to create a smooth and clean surface, while passivation is a chemical process that removes contaminants and promotes the formation of a protective oxide layer. Both processes contribute to improving the corrosion resistance and aesthetics of stainless steel pipes, but they differ in the method used to achieve these results.
Q: Are stainless steel pipes suitable for geothermal applications?
Yes, stainless steel pipes are suitable for geothermal applications. Stainless steel is highly resistant to corrosion and can withstand the high temperatures and pressures present in geothermal systems. Additionally, stainless steel pipes have excellent thermal conductivity, making them efficient for transferring heat in geothermal applications.
Q: Can stainless steel pipes be laser welded?
Stainless steel pipes have the capability of being laser welded. Laser welding proves to be an extremely efficient and accurate technique for connecting metals, including stainless steel. This method involves the utilization of a high-powered laser beam to merge and melt the pipe edges together. Due to its capacity to generate robust and long-lasting welds with minimal distortion, laser welding is widely employed in various industries like automotive, aerospace, and construction. The process is especially suitable for stainless steel because it provides exceptional control over the heat input, resulting in a narrow and well-defined weld area. Moreover, laser welding can be automated, making it a financially viable and time-effective solution for joining stainless steel pipes.
Q: Can stainless steel pipes be insulated with polypropylene?
No, stainless steel pipes cannot be insulated with polypropylene.
Q: Are stainless steel pipes suitable for construction projects?
Yes, stainless steel pipes are highly suitable for construction projects. They offer exceptional strength, durability, and corrosion resistance, making them an ideal choice for various applications in construction, including plumbing, HVAC systems, structural supports, and more. Stainless steel pipes also have excellent aesthetic appeal and can withstand harsh environmental conditions, making them a reliable and long-lasting option for construction projects.
Q: Can stainless steel pipes be used in the pharmaceutical industry?
Yes, stainless steel pipes can be used in the pharmaceutical industry. Stainless steel is a popular choice for pharmaceutical applications due to its excellent corrosion resistance, high strength, and durability. It is resistant to many chemicals and can withstand high temperatures and pressures, making it suitable for transporting various pharmaceutical substances and fluids. Stainless steel pipes are also easy to clean and maintain, which is crucial in ensuring sanitation and preventing contamination in pharmaceutical manufacturing processes. Additionally, stainless steel is non-reactive and non-toxic, ensuring the integrity and quality of pharmaceutical products.
Q: Can stainless steel pipes be used for hydroelectric power plants?
Yes, stainless steel pipes can be used for hydroelectric power plants. Stainless steel is commonly used in hydroelectric power plants due to its excellent corrosion resistance, high strength, and durability. It can withstand the harsh operating conditions, including water pressure, turbulence, and exposure to moisture, making it a suitable material for piping systems in hydroelectric power plants.

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