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Stainless Steel 904L Pipe Fittings are known for their exceptional resistance to corrosion and durability. These pipe fittings are made up of various elements, including nickel, chromium, molybdenum, and copper, making them resistant to various forms of corrosion. These fittings comprise 21% chromium, 25% nickel, 4.5% molybdenum, and small amounts of copper and carbon. This unique chemical composition makes Stainless Steel 904L Pipe Fittings ideal for use in harsh environments, such as acid and chloride-rich environments, without suffering from corrosion or degradation. If you're looking for durable and corrosion-resistant pipe fittings, Stainless Steel 904L Pipe Fittings are an excellent choice.

Stainless Steel 904L Pipe Fittings are a popular choice in the industry due to their versatile applications and unique properties. These pipe fittings are known for their excellent resistance to corrosion, making them ideal for use in harsh environments. Additionally, they are durable and can withstand extreme temperatures, which is essential in applications requiring high heat or cold. Some common uses for Stainless Steel 904L Pipe Fittings include chemical processing plants, oil refineries, and the power generation industry. With their superior strength and longevity, these fittings provide a reliable and effective solution to any piping system.

Chemical Composition of Stainless Steel 904L Pipe Fittings:

Explore the Chemical Composition table for a detailed breakdown of the precise elements in Stainless Steel 904L Pipe Fittings.













The Chemical Composition table provides insights into Stainless Steel 904L Pipe Fittings' elemental precision, ensuring superior performance.

Benefits of Stainless Steel 904l Pipe Fittings

904l stainless steel pipe fittings have widespread recognition for their exceptional versatility. With their host of advantages, these fittings have become the preferred option for numerous industries. Let’s know it benefits and Uses. 

  • Corrosion Resistance - One of the most notable features of SS 904l pipe fittings is their exceptional corrosion resistance. This type of steel contains high levels of chromium and molybdenum, which make it highly resistant to corrosion from various chemicals and environments. This makes it popular in chemical processing, oil and gas, and marine applications.
  • High Strength - 904l Stainless steel pipe fittings are also known for their high strength and durability. Due to its unique composition, this type of steel has a higher yield strength than other grades of stainless steel, making it able to withstand heavy loads and high-pressure situations. This makes it a reliable choice for critical systems where failure is not an option.
  • Heat Resistance - Another benefit of stainless steel 904l fittings is their excellent heat resistance. This type of steel can withstand high temperatures without losing its structural integrity, making it suitable for use in applications with extreme heat. It also has low thermal expansion, meaning it will not deform or change shape when exposed to heat.
  • Easy to Fabricate - SS 904l pipe fittings are easy to fabricate due to their malleability and ductility. They can be easily welded, bent, and formed into various shapes without compromising strength or corrosion resistance. This makes them versatile for various piping systems requiring custom fittings.
  • Longevity - Due to its superior corrosion resistance and durability, these pipe fittings have a longer lifespan than other materials such as carbon steel or plastic. They require minimal maintenance and are less likely to fail over time, making them a cost-effective choice in the long run.

Mechanical Properties of Stainless Steel 904L Pipe Fittings:

Explore the Mechanical Properties table for comprehensive insights into the strength and durability of Stainless Steel 904L Pipe Fittings.


Tensile Strength (MPa) min

Yield Strength 0.2% Proof (MPa) min

Elongation (% in 50mm) min


Rockwell B (HR B) max

Brinell (HB) max

904L4902203570-90 typical


The Mechanical Properties table underscores Stainless Steel 904L Pipe Fittings' robust strength and durability for diverse applications.

Common Uses of 904l SS Pipe Fittings

Stainless steel 904L pipe fittings excel in corrosive environments and has many benefits which makes them a perfect solution in critical applications across various industries which are discussed below:

  • Industrial Piping Systems - 904l ss pipe fittings are commonly used in industrial piping systems due to their high resistance to corrosion and ability to withstand extreme temperatures. These fittings are often used in oil and gas, chemical processing, and marine engineering industries.
  • Plumbing Systems - In addition to industrial applications, 904l ss pipe fittings are also commonly used in plumbing systems for both residential and commercial buildings. Their durability and resistance to corrosion make them a popular choice for water supply lines, drainage systems, and sewage pipes.
  • Heat Exchangers - Heat exchangers are another application where 904l ss pipe fittings are frequently used. These fittings can withstand high temperatures and corrosive environments, making them suitable for use in heat exchanger systems that transfer heat between two fluids without mixing them.

Physical Properties of Stainless Steel 904l Pipe Fittings:

Delve into the Physical Properties table for a comprehensive understanding of Stainless Steel 904L Pipe Fittings' unique characteristics.




Elastic Modulus


Mean Co-eff of Thermal Expansion (µm/m/°C)

Thermal Conductivity


Specific Heat 0-100°C


Elec Resistivity





At 20°C

At 500°C


The Physical Properties table highlights Stainless Steel 904L Pipe Fittings' distinctive attributes crucial for various applications.

For optimal project success, consider using 904l stainless steel pipe fittings, well-known for their ability to withstand extreme temperatures. Embrace the advantages firsthand by incorporating 904L stainless steel pipe fittings into your next project.

FAQ's for Stainless Steel 904L Pipe Fittings

Stainless Steel 904L Pipe Fittings sizes vary from 1/8" to 48" NPS (Nominal Pipe Size).

Stainless Steel 904L Pipe Fittings are used for the application of various industries such as oil & gas, pharmaceutical industry, chemical processing and heat exchangers.

Stainless Steel 904L Pipe Fittings have a pressure rating of about 3,000 to 5,000 psi depending on the diameter and material thickness.

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