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Stainless Steel 309 Pipes & Tubes

Stainless Steel 309 Pipes & Tubes

Shree Vaitra Enterprises is a trusted supplier of high-quality Stainless Steel 309 Pipes & Tubes. Our Stainless Steel 309 grade exhibits excellent corrosion resistance, high temperature strength, and exceptional oxidation resistance, making it ideal for various demanding applications.

  1. Superior Grade: Our Stainless Steel 309 Pipes & Tubes are made from premium-grade stainless steel alloy 309. This grade is known for its elevated levels of chromium and nickel, providing superior resistance to corrosion, scaling, and oxidation at high temperatures.

  2. High Temperature Applications: Stainless Steel 309 Pipes & Tubes are widely used in applications involving high temperatures, such as furnace parts, heat exchangers, kiln liners, boiler tubes, and radiant tubes. They retain their strength and integrity even at extreme temperatures, making them suitable for challenging environments.

  3. Corrosion Resistance: The inherent corrosion resistance of Stainless Steel 309 ensures durability and longevity in corrosive environments. It exhibits excellent resistance to chemical corrosion, including exposure to acids, alkalis, and atmospheric agents. This makes it a reliable choice for industries like chemical processing, oil and gas, and marine applications.

  4. Versatile Applications: Our Stainless Steel 309 Pipes & Tubes find versatile applications across industries. They are commonly used in manufacturing equipment for the chemical industry, heat treatment furnaces, food processing machinery, and exhaust systems. Their exceptional performance and reliability make them a preferred choice in demanding environments.

  5. Customized Solutions: We understand that each project has unique requirements. That’s why we offer customization options for Stainless Steel 309 Pipes & Tubes, including different sizes, wall thicknesses, and lengths. Our experienced team works closely with clients to deliver tailor-made solutions that precisely meet their specifications.

At Shree Vaitra Enterprises, we are committed to providing top-quality Stainless Steel 309 Pipes & Tubes that meet the highest industry standards. With our expertise and focus on customer satisfaction, we ensure that our products deliver exceptional performance, durability, and reliability in high-temperature and corrosive environments.

What are some frequently asked questions about Stainless Steel 309 Pipes And Tubes.

What is 309 stainless steel?

An austenitic alloy, Type 309 stainless steel boasts elevated levels of chromium and nickel alongside minimal carbon content (0.08% maximum). It is ideal for components needing corrosion, heat, and oxidation resistance and withstand temperatures up to 2000°F. Widely used in applications like furnaces and heat exchangers, its composition ensures durability in extreme conditions. Type 309’s balanced properties make it a reliable choice for industries requiring resilience in high-temperature environments.

What are the differences between Stainless Steel 309 and 304?

The primary distinctions between stainless steel 309 and 304 lie in their chemical compositions. 309 contains higher levels of chromium (23%) and nickel (13%) compared to 304 (18% chromium, 8% nickel), enhancing its resistance to oxidation, corrosion, and high temperatures. While both offer corrosion resistance, 309 excels in higher-temperature environments. Additionally, 309’s superior heat resistance makes it pricier than 304, which is favoured for its formability and lower cost.

What is 309 stainless wire used for?

309 stainless wire is often used in welding when high heat and protection against rust are needed. It’s great for connecting stainless steel to different metals or covering carbon steel to prevent rust. Industries like oil, chemicals, and power use it to make boilers and furnace parts that deal with high heat and chemicals.

What is SS 309 equivalent to?

Materials like ASTM A167, ASTM A240, ASME SA240, and AMS 5523 resemble 309 stainless steel. They have similar qualities and work in much the same way, so you can expect them to perform comparably.

Which is better seamless pipe or welded pipe?

The superiority of seamless or welded pipes depends on the application’s demands. Seamless pipes lack weld seams, offering better strength and reliability, making them suitable for high-pressure and corrosive environments. However, they’re more expensive and limited in size. Welded pipes, though less costly and available in larger sizes, may have weaker points at weld seams. Therefore, their choice hinges on cost, strength requirements, and application specifics.

What is 309 grade stainless steel?

Alloy 309 (UNS S30900) is a type of austenitic stainless steel crafted to endure elevated temperatures while thwarting corrosion. It upholds its ability to resist oxidation up to 1900°F (1038°C) under constant conditions but may drop to around 1850°F (1010°C) when subject to frequent thermal cycling. This alloy is well-suited for settings requiring heat resilience, like furnaces or heat exchangers, albeit its oxidation resistance might slightly wane with recurrent temperature variations.

Specifications for 309 Stainless Steel Pipes & Tubes

StandardASTM A/ASME SA213/A249/A269/A312/A358 CL. I to V
DimensionsASTM, ASME and API
Size1/8″NB TO 30″NB IN
Pipes & Tubes1/2″ NB – 16″ NB
ERW Pipes & Tubes1/2″ NB – 24″ NB
EFW Pipes & Tubes6″ NB – 100″ NB
Outer Diameter6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB
Thickness0.3mm – 50 mm, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS
TypeSeamless / ERW / Welded / Fabricated / CDW
FormRound Pipes/Tubes, Square Pipes/Tubes, Rectangular Pipe/Tubes, Coiled Tubes, “U” Shape, Pan Cake Coils, Hydraulic Tubes
LengthSingle Random, Double Random & Required Length
EndPlain End, Beveled End, Treaded

Stainless Steel 309 Pipes & Tubes Equivalent Grades

Standard SS 309
SUS 309
SS 3091.4828S30900SUS 30930900

SS UNS S30900 Pipes & Tubes Chemical Composition

ElementSS 309
Ni12.0 – 15.0
C0.08 max
Mn2.0 max
P0.045 max
S0.03 max
Si1.0 max
Cr22.0 – 24.0

TP 309 Stainless Steel Pipes & Tubing Mechanical & Physical Properties

ElementSS 309
Density lbm/in3at 68°F: 0.285
Melting Point2500 – 2590(°F)
Tensile Strength620
Yield Strength (0.2%Offset)276
Elongation(Brinell)217 max

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