439 Stainless Steel Tube For Automobile Exhaust System
We supply a full set of stainless steel pipes, if you have needs about 439 stainless steel square pipes or other stainless steel pipes, please contact us.
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Description
Gnee Steel (Tianjin) Co., Ltd. is one of the most professional manufacturers and suppliers of 439 stainless steel tube for automobile exhaust system in China. With abundant experience, we warmly welcome you to wholesale customized 439 stainless steel tube for automobile exhaust system from our factory. For price consultation, contact us.
439 stainless steel tube for automobile exhaust system
One of the primary applications of 439 stainless steel square pipes is in automotive exhaust systems. The high-temperature resistance and corrosion resistance of this steel make it an ideal choice for exhaust pipes, mufflers, and catalytic converters. It can withstand the extreme heat and corrosive gases produced during the combustion process.

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Item |
439 stainless steel tube for automobile exhaust system |
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Material |
201,202,301,304,304L,304N,XM21,304LN,309S,310S,316,316Ti,316L, |
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Specifications |
Wall thickness |
0.3-150mm(SCH10S-XXS) |
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Outside diameter |
6.0-2500mm(1/8"-100") |
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Length |
6m,5.8m,8m,11.8m,12m or as required. |
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Surface |
Pickling, annealing, polishing, bright, sand blast, hair line, etc. |
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Price Term |
Ex-work, FOB, CFR, CIF, or as required. |
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Payment Term |
T/T, L/C, Western Union |
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MOQ |
5 Ton |
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Here is a detailed introduction to the application of 439 stainless steel square pipes in automobile exhaust systems:
1、Emission Compliance: Modern automobile exhaust systems need to comply with strict emission regulations. The use of 439 stainless steel square pipes helps in achieving these compliance standards. The alloy's corrosion resistance ensures that the exhaust system remains leak-free, preventing harmful gases from escaping into the environment. This contributes to lower emissions and a cleaner exhaust.
2、Lightweight and Durable: 439 stainless steel is relatively lightweight compared to some other stainless steel grades. This is beneficial for automobile applications as it helps reduce the overall weight of the vehicle, leading to improved fuel efficiency. Additionally, the durability of 439 stainless steel ensures that the exhaust system can withstand vibrations, impacts, and harsh road conditions, providing a long service life.
3、Weldability and Formability: 439 stainless steel square pipes offer excellent weldability and formability, allowing for easy fabrication and installation in the exhaust system. They can be welded using various techniques, including TIG (Tungsten Inert Gas) and MIG (Metal Inert Gas) welding, ensuring secure and reliable connections between pipe sections.
4、Resistance to Thermal Fatigue: Automobile exhaust systems undergo thermal cycling, which can lead to thermal fatigue. The ability of 439 stainless steel square pipes to withstand repeated heating and cooling cycles without cracking or developing structural weaknesses is crucial for the longevity of the exhaust system.


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