• 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: What are the disadvantages of using stainless steel pipes?
While stainless steel pipes offer numerous advantages, there are a few disadvantages to consider: 1. Cost: Stainless steel pipes tend to be more expensive than other pipe materials such as PVC or carbon steel. This higher cost can impact the overall budget for a project. 2. Corrosion Resistance Limitations: While stainless steel is known for its corrosion resistance, it is not completely immune to corrosion. In certain environments, such as highly acidic or alkaline conditions, stainless steel pipes can still corrode over time. 3. Brittle: Stainless steel pipes can be more brittle than other materials, which makes them more susceptible to cracking or breaking under extreme temperatures or stress. This can be a concern in applications where the pipes are subjected to significant pressure or thermal fluctuations. 4. Difficult to Modify: Compared to other pipe materials, stainless steel pipes are harder to modify or alter once they are installed. This can be problematic if any changes or adjustments need to be made in the future, as it may require more time and effort. 5. Heat Conductivity: Stainless steel has lower heat conductivity compared to materials like copper. This means that stainless steel pipes may not transfer heat as efficiently, which can be a disadvantage in some applications where heat transfer is important. Overall, while stainless steel pipes have numerous benefits, it is important to consider these disadvantages when selecting the appropriate material for a specific project.
Q: What is the difference between Schedule and Nominal Pipe Sizes for stainless steel pipes?
The difference between Schedule and Nominal Pipe Sizes for stainless steel pipes lies in their respective measurements. Schedule refers to the wall thickness of the pipe, while Nominal Pipe Size (NPS) indicates the approximate inside diameter of the pipe. The Schedule system is based on a standard thickness range, denoted by a specific number, such as Schedule 40 or Schedule 80, which are commonly used in industrial applications. On the other hand, NPS provides a standardized label for pipes that corresponds to a specific inside diameter, regardless of the wall thickness. Therefore, while Schedule determines the strength and pressure rating of a stainless steel pipe, NPS primarily denotes its size for compatibility with fittings and other components.
Q: Can stainless steel pipes be used in the automotive industry?
Yes, stainless steel pipes can be used in the automotive industry. Stainless steel is a highly durable and corrosion-resistant material, making it ideal for various applications in the automotive sector. Stainless steel pipes are commonly used in exhaust systems, where they can withstand high temperatures and resist the corrosive effects of gases and condensation. Additionally, stainless steel pipes are also used in fuel delivery systems, brake lines, and hydraulic systems, where their strength and resistance to corrosion are essential. Overall, stainless steel pipes offer excellent performance and longevity in the demanding conditions of the automotive industry.
Q: How do stainless steel pipes compare to cast iron pipes?
There are two popular options for plumbing systems: stainless steel pipes and cast iron pipes. However, these two choices have notable differences when it comes to durability, cost, and corrosion resistance. To begin with, stainless steel pipes are widely recognized for their exceptional durability. They possess a higher strength-to-weight ratio and are less susceptible to cracking or breaking in comparison to cast iron pipes. Consequently, stainless steel pipes are well-suited for high-pressure scenarios or areas with heavy traffic. On the contrary, cast iron pipes have traditionally been acknowledged for their strength and longevity. They exhibit a remarkable resistance to impact and vibrations, which makes them ideal for locations where durability is of utmost importance, such as underground or in commercial buildings. Nevertheless, cast iron pipes are more prone to cracking or corrosion over time, particularly in acidic or alkaline environments. In terms of costs, stainless steel pipes generally require a higher upfront investment in contrast to cast iron pipes. Nonetheless, stainless steel pipes boast a longer lifespan and demand minimal maintenance, ultimately resulting in cost savings in the long term. Conversely, cast iron pipes may entail lower initial expenses but may involve more frequent maintenance and repairs, consequently escalating the overall costs over time. Regarding corrosion resistance, stainless steel pipes surpass cast iron pipes. Stainless steel contains a substantial amount of chromium, which forms a protective oxide layer that prevents corrosion. This characteristic renders stainless steel pipes highly resistant to rust, chemicals, and extreme temperatures. Conversely, cast iron pipes are more prone to rust and corrosion, especially if not adequately coated or maintained. In summary, stainless steel pipes offer superior durability, corrosion resistance, and long-term cost savings compared to cast iron pipes. Although cast iron pipes possess their own advantages, such as strength and impact resistance, stainless steel pipes emerge as a more reliable and versatile option for various plumbing applications.
Q: Can stainless steel pipes be used for transportation of hazardous materials?
Yes, stainless steel pipes can be used for the transportation of hazardous materials. Stainless steel is known for its corrosion resistance, high strength, and durability, making it suitable for handling various types of hazardous substances. Stainless steel pipes are commonly used in industries such as chemicals, petrochemicals, oil and gas, and pharmaceuticals, where the transportation of hazardous materials is a regular occurrence. Stainless steel's resistance to corrosion ensures that it can withstand exposure to a wide range of chemicals without degradation. This is particularly important when transporting hazardous materials that could potentially react with or corrode other materials. Stainless steel pipes also have high strength, which allows them to handle the pressures and stresses associated with the transportation of hazardous materials. Furthermore, stainless steel pipes can maintain the integrity of the hazardous material being transported by preventing contamination from external sources. Stainless steel is inert and has a smooth surface, making it resistant to the formation of deposits, which can potentially react with or contaminate the hazardous materials. It is important to note, however, that the selection of stainless steel grade and its compatibility with the specific hazardous material being transported should be carefully considered. Different stainless steel alloys have different characteristics, so it is crucial to choose the appropriate grade that can withstand the specific chemical properties of the hazardous material. Additionally, regulations and standards regarding the transportation of hazardous materials should always be followed to ensure safety and compliance. These regulations may include specific requirements for the design, fabrication, and testing of the stainless steel pipes used for transportation. In conclusion, stainless steel pipes can be effectively used for the transportation of hazardous materials due to their corrosion resistance, strength, and durability. However, it is essential to consider the specific requirements of the hazardous material and adhere to relevant regulations to ensure safe and efficient transportation.
Q: Can stainless steel pipes be used for pharmaceutical applications?
Yes, stainless steel pipes can be used for pharmaceutical applications. Stainless steel is a common material of choice in the pharmaceutical industry due to its excellent corrosion resistance, durability, and hygienic properties. It is resistant to chemicals and can withstand high temperatures and pressure, making it suitable for various pharmaceutical processes such as fluid transportation, product transfer, and storage. Stainless steel pipes are easy to clean and maintain, which is essential in pharmaceutical applications where cleanliness and sterility are crucial. They have a smooth surface that prevents the accumulation of bacteria, ensuring the integrity of the pharmaceutical products. Additionally, stainless steel is non-reactive, meaning it will not contaminate the pharmaceutical products being transported through the pipes. Furthermore, stainless steel pipes can be manufactured to meet specific requirements, such as precise dimensions, high purity, and various finishes. This versatility allows for customization and adaptation to specific pharmaceutical processes and regulations. In summary, stainless steel pipes are suitable for pharmaceutical applications due to their corrosion resistance, durability, hygienic properties, ease of cleaning, and ability to meet specific requirements. They contribute to maintaining the quality and integrity of pharmaceutical products throughout the manufacturing process.
Q: What is the difference between electropolished and bright annealed stainless steel pipes?
Electropolished and bright annealed stainless steel pipes are two different surface treatments applied to stainless steel pipes to enhance their properties and appearance. Electropolishing is an electrochemical process that removes a thin layer of material from the surface of the stainless steel pipe. This process helps to remove any impurities, contaminants, or roughness on the surface, resulting in a smooth and highly polished finish. Electropolishing also improves the corrosion resistance of stainless steel by creating a passive oxide layer on the surface, which helps to protect the underlying material from corrosion. On the other hand, bright annealing is a heat treatment process that involves heating the stainless steel pipe to a specific temperature and then cooling it slowly in a controlled atmosphere. This process helps to relieve internal stresses, improve the ductility and toughness of the material, and enhance its mechanical properties. Bright annealing also produces a smooth and reflective surface finish, similar to electropolishing, but without the electrochemical removal of material. In summary, the main difference between electropolished and bright annealed stainless steel pipes lies in the process used to achieve the desired surface finish. Electropolishing involves the removal of material through an electrochemical process, while bright annealing is a heat treatment process that provides a smooth and reflective surface without removing material. Both treatments improve the appearance and corrosion resistance of stainless steel pipes, but bright annealing also enhances the mechanical properties of the material.
Q: Are stainless steel pipes resistant to chemicals?
Yes, stainless steel pipes are generally resistant to chemicals. Stainless steel is known for its corrosion resistance properties, which makes it an ideal material for various applications, including pipes that are exposed to different chemicals. The high levels of chromium in stainless steel create a protective layer on the surface of the material, preventing it from reacting with most chemicals and corrosive substances. However, it is important to note that the resistance of stainless steel pipes to chemicals can vary depending on the specific type and grade of stainless steel used. In some cases, certain aggressive chemicals or extreme conditions may still cause corrosion or damage to stainless steel pipes, so it is always advisable to consult with experts or refer to specific chemical resistance charts for accurate information on the compatibility of stainless steel pipes with different chemicals.
Q: Can stainless steel pipes be used in marine environments?
Yes, stainless steel pipes can be used in marine environments. Stainless steel is highly resistant to corrosion and rust, making it an ideal material for marine applications. It can withstand the harsh conditions of saltwater, such as high levels of humidity, moisture, and exposure to various chemicals. Stainless steel pipes are commonly used in marine vessels, offshore platforms, and other marine structures due to their durability and long-lasting performance. They provide excellent strength and reliability, even in challenging environments, making them a preferred choice for marine applications.
Q: Can stainless steel pipes be insulated with rubber?
Indeed, rubber insulation can be applied to stainless steel pipes. Employing rubber insulation is a prevalent technique for safeguarding and insulating diverse pipe varieties, encompassing stainless steel pipelines. With rubber insulation, numerous advantages manifest, such as thwarting heat loss or gain, minimizing condensation, and furnishing soundproofing attributes. Moreover, it demonstrates resistance against moisture, chemicals, and UV rays, thereby rendering it suitable for employment in both indoor and outdoor settings. Furthermore, rubber insulation installation and maintenance pose no challenge, thereby rendering it a cost-efficient selection for insulating stainless steel pipes.

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