409 Stainless Steel Coils

Grade 409 stainless steel coil is a ferritic grade specially used in automotive exhaust systems due to good heat resistance and low cost.

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Description

409 stainless steel coil offers a compelling combination of heat and corrosion resistance at a competitive price point. This makes it a valuable material for various industrial applications.

Key Advantages Of 409 Stainless Steel Coil:

  • Bends and Shapes Easily: Maintains excellent formability, allowing for intricate shapes without cracking.
  • Superior Weldability: The presence of titanium and niobium enhances weldability, simplifying fabrication processes.
  • High-Temperature Performance: Withstands elevated temperatures effectively, making it ideal for hot environments like automotive exhaust systems.
  • Moderate Corrosion Resistance: Outperforms regular carbon steel in resisting corrosion, offering a balance between affordability and performance. (Consider mentioning here that it’s not as corrosion resistant as 304 or 316 stainless steel grades for applications requiring superior corrosion protection.)

Applications:

  • Automotive Industry: Exhaust manifolds, catalytic converters, and other components benefit from their high-temperature strength and corrosion resistance.
  • Appliance Manufacturing: Washing machines, dryers, and other appliances requiring durability and heat resistance often utilize 409 stainless steel .
  • Industrial Applications: Its formability, weldability, and resistance to moderate heat and corrosion make it a versatile choice for various industrial uses.

Choosing 409 Stainless Steel Coil:

When selecting 409 stainless steel , consider the thickness, width, and finish required for your specific project. Remember, while offering good corrosion resistance, it might not be suitable for highly corrosive environments where 304 or 316 stainless steel would be a better choice.

Technical Specification

PropertyDetails
Grade409
Finish2B / No.1 / Matt
Thickness0.40 – 3mm

Chemical Composition

ElementPercentage%
Cr10.5 – 11.75
C≤ 0.08
TiStabilized
Mn≤1
Si≤1
FeBalance

Applications

  • Automotive Exhaust
  • Silencers
  • Catalytic Converters

 Visit Our Branch- Ganpati Industries, Arc Stainless

409 offers good heat resistance, oxidation resistance, and cost efficiency, making it ideal for exhaust components.

Common finishes include 2B, No.1 (HR), Matt, and Industrial Finish.

Sample cut pieces can be provided on request for quality verification.

Delivery is usually 3–7 working days for ready stock.

  • Good heat resistance

  • Cost-effective

  • Magnetic properties

  • Suitable for welding

Used in automotive exhaust systems, silencers, mufflers, and heat shields.

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