SUS409L SUS439 436L 441 Stainless Steel Tube Welded Tube for Automobile Muffler

• Customization: Available
• After-sales Service: 1 Year
• Warranty: 1 Year
• Type: Welded
• Technique: Cold Rolled
• Material: Stainless Steel
• Surface Treatment: Polished
• Usage: Pipeline Transport, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry
• Section Shape: Round
• Processing: Welding/Bending
• Payment Term: T/T L/C
• Shipment: Fob CIF DDP
• Application: Mechanical Industry
• Package: Sea Worthy Packaging
• Transport Package: Export Packing
• Specification: 0.2-100mm
• Trademark: MESCO STEEL
• Origin: China
• HS Code: 72106900
• Production Capacity: 2000 Tons Per Month

Product Description

 Product Information

 

OD	1MM-400MM
Thickness	0.5-3.0mm
Grade	409l/436/441/304/304L/316L/201/430//439/904L etc.
Type	Round /square /rectangular tube, u-tube, special section tube
Production Process	weld pipe
Processing service	Bending/ flaring/welding/punching/polishing/pickling/cutting
Surface Treatment	Pickling/ Polishing/ Annealing
Usage	Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Machinery Industry, Chemical Industry, Mining

Types of stainless steel pipes





Product Packing and Loading

We help our customers to Insert the small tube into the large tube, by this way can load as much as possible pipes into container to save the space and save freight.



Applications

Automobile parts:Stainless steel automotive parts, such as exhaust components and fasteners, offer robust resistance to corrosion from road salts and engine heat, enhancing vehicle reliability and lifespan.
 

Industrial Heat Exchangers: Widely used in chemical, petrochemical, and manufacturing industries for heat exchange between different process fluids. Its corrosion resistance ensures stability when handling various chemicals and industrial wastewater.
 

Food and Beverage Industry: Ideal for heat exchangers used in food processing, such as pasteurizers and sterilizers. The TP304 stainless steel is non-toxic and easy to clean, meeting strict hygiene standards.
 

Pharmaceutical Industry: Used in heat exchangers for drug production processes, where corrosion resistance and cleanliness are critical. It ensures no contamination of pharmaceutical products during heat exchange.
 

Unique Advantages of MESCO Steel's 409 Stainless Steel Pipes
 

Seam Filling Technique
Our welded pipes are filled with aluminium to ensure that the weld positions have the same heat resistance and corrosion resistance as other positions.

Top-Grade Material
Made from 409 stainless steel (10.5-11.75% Cr, with Ti stabilization), balancing corrosion resistance and affordability-ideal for budget-focused projects without sacrificing longevity.

Precision Manufacturing
Advanced welding tech (TIG) and strict size control guarantee leak-free joints and perfect fits, enhancing heat transfer efficiency.
 

Rigorous Quality Checks
Every batch undergoes strict testing (tensile strength, corrosion resistance) with full certification, ensuring reliability.

Flexible Customization
Offers tailored sizes (OD, wall thickness, length) to meet specific project needs, from industrial to food-grade applications.
 

 

 

Company Profile

              

                                                                                                            
FAQ

1. What is 409 stainless steel, and what makes it unique?
   409 stainless steel is a ferritic stainless steel alloy containing 10.5-11.75% chromium, with titanium added for stabilization. Its key traits include good high-temperature oxidation resistance (up to 650°C), cost-effectiveness, and strong formability-making it a practical choice for applications where moderate corrosion resistance and affordability are prioritized.
2. How does 409 stainless steel compare to 304 stainless steel?
   Compared to 304 (18-20% Cr, 8-11% Ni), 409 has lower chromium and no nickel, making it more economical. It offers better high-temperature oxidation resistance but lower overall corrosion resistance-ideal for dry or mildly humid environments, whereas 304 performs better in wet/chemical-rich settings.
3. Can 409 stainless steel pipes be welded or bent easily?
   Yes. 409 stainless steel has excellent weldability and formability, allowing for bending, cutting, and welding with standard techniques. Proper welding practices (e.g., avoiding overheating) help maintain its structural and corrosion properties.