409L Stainless Steel Pipe - Corrosion Resistant, High Temperature Oxidation Resistant for Automotive Exhaust Systems

Certification AISI, ASTM
Minimum Order Quantity 50 kg
Price US $2.05-2.68 / kg
Product Details
Model NO. 409L Shape Round
Technique Welded Surface Treatment Polished
Specification OD 6-127mm Production Capacity 50000kgs
Carbon Content Max:0.03 Manganese Content Max:1.0
Silicon Content Max:1.0 Phosphorus Content Max:0.045
Sulfur Content Max:0.045 Chromium Content Min:10.5 Max:11.75
Nickel Content Max:0.5 Titanium Content Min:0.48 Max:0.75
Tensile Strength 380 MPa (min)
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Corrosion Resistant 409L Stainless Steel Pipe

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High Temperature Oxidation Resistant 409 Stainless Steel Tube

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Automotive Exhaust Systems Welded Stainless Steel Pipe

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Product Description
409L Stainless Steel Welded Pipe 409 Stainless Steel Tube
Product Overview

Stainless steel grade 409L is a general chromium, titanium stabilized, ferritic stainless steel primarily designed for automotive exhaust systems. With 11% chromium content - the minimum required for forming the passive surface film that provides corrosion resistance - this alloy combines excellent elevated temperature corrosion resistance with medium strength, good formability, and competitive cost efficiency.

409L stainless steel offers superior corrosion resistance compared to carbon steel and serves as an effective alternative in moderately challenging environments where its high resistance to corrosion and high-temperature oxidation provides significant advantages. This material is commonly selected for applications where mechanical properties and corrosion resistance take priority over aesthetic appearance.

Chemical Composition
Element C Mn Si P S Cr Ni Ti
409L max: 0.03 max: 1.0 max: 1.0 max: 0.045 max: 0.045 min: 10.5
max: 11.75
max: 0.5 min: 0.48
max: 0.75
Mechanical Properties
Grade Tensile Strength MPa (min) Yield Strength 0.2% MPa (min) Elongation % Hardness (HB) MAX Hardness (HRB) MAX
409L 380 207 20 207 95
Primary Applications
  • Automotive exhaust systems
  • Catalytic converters
  • Mufflers and tailpipes
  • Farm equipment components
  • Structural support and hangers
  • Transformer cases
  • Furnace components
  • Heat exchanger tubing
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