ASME SA268 Stainless Steel Exhaust Pipe with Ф45mm Wall Thickness
1.5mm - Material 439
The ASME SA268 Stainless Steel Exhaust Pipe with an outer diameter of Ф45mm and a wall thickness of 1.5mm is designed for high-performance exhaust systems. Manufactured
with Stainless Steel 439 material, this exhaust pipe provides excellent resistance to
high-temperature corrosion and is ideal for use in automotive, industrial, and marine exhaust systems.
Material (Stainless Steel 439)
Stainless Steel 439 is a ferritic stainless steel that offers excellent resistance to oxidation and corrosion,
especially at elevated temperatures. It is known for its superior
resistance to both sulfuric and nitric acid environments, making it suitable for exhaust systems where heat and aggressive
gases are present.
| Material Composition | Percentage |
|---|
| Chromium (Cr) | 17-19% |
| Manganese (Mn) | 1.0% |
| Silicon (Si) | 1.0% |
| Carbon (C) | Max 0.08% |
| Nickel (Ni) | 0.5% |
| Iron (Fe) | Balance |
Applications
- Automotive Exhaust Systems: For both OEM and aftermarket exhaust components
- Marine Exhaust Systems: Used in engines, generators, and other marine machinery
- Industrial Applications: For exhaust ducts, furnace components, and heat exchangers
- Power Generation: In gas turbines and other equipment exposed to high temperatures
- Chemical Processing: In applications requiring resistance to corrosive gases and high
temperatures
Advantages
- Excellent Corrosion Resistance: Superior resistance to oxidation and corrosion in sulfur, nitric
acid, and heat environments
- High-Temperature Performance: Withstands temperatures up to 900°C without compromising
mechanical properties
- Durability: Designed for high-stress environments with long service life in
harsh conditions
- Cost-Effective: Offers excellent performance at lower cost compared to more
expensive stainless steel alloys
- Weldability: Excellent weldability for easy fabrication into various exhaust
system components
Specifications
| Property | Value |
|---|
| Outer Diameter | Ф45mm |
| Wall Thickness | 1.5mm |
| Length | Customizable up to 12 meters |
| Standard | ASME SA268, ASTM A268 |
| Form | Welded Pipe, Round Shape |
| Applications | Automotive, Marine, Industrial, Power Generation |
| Surface Finish | Bright Annealed, Passivated |
Manufacturing Process
- Material Selection: High-grade Stainless Steel 439 is sourced for its corrosion
resistance and high-temperature strength
- Pipe Formation: Formed using precision extrusion and welding processes
- Heat Treatment: Enhances mechanical properties and ensures resistance to high
temperatures
- Surface Finishing: Pipes are cleaned, pickled, and passivated to remove oxidation
- Testing & Quality Control: Each batch undergoes rigorous testing including dimensional
checks and corrosion resistance evaluations
- Packaging & Shipping: Carefully packaged to prevent damage during transport
FAQ
What makes Stainless Steel 439 suitable for exhaust systems?
Stainless Steel 439 provides excellent resistance to high
temperatures and oxidation, which is critical for exhaust systems
exposed to extreme conditions. It also has good weldability and
strength at elevated temperatures.
How does Stainless Steel 439 compare to other stainless steel
alloys in exhaust applications?
Stainless Steel 439 offers similar performance to more expensive
alloys like 304 and 316 in exhaust systems but at a lower cost. It
provides excellent heat resistance and corrosion resistance,
especially in sulfuric and nitric acid environments.
Can this pipe be used in high-temperature automotive applications?
Yes, Stainless Steel 439 is ideal for high-temperature automotive
exhaust systems and can withstand the heat generated by engine
emissions, offering long-term durability.
What industries typically use ASME SA268 stainless steel exhaust
pipes?
Industries such as automotive, marine, power generation, and
chemical processing commonly use these pipes for applications that
require high resistance to corrosion and extreme temperatures.
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Systems.
The ASME SA268 Stainless Steel Exhaust Pipe made from Stainless Steel 439 provides a cost-effective, durable solution for high-temperature
and corrosion-resistant exhaust systems. With its outstanding
resistance to heat, oxidation, and corrosive gases, this pipe is an
ideal choice for automotive, marine, and industrial exhaust applications.
Exhaust Pipe 439 Stainless Steel Welded Pipe ASME SA268 for Vehicle Exhaust Systems
