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SUH 409 409L 1.4512 Hot Cold Rolled Stainless Steel Coil
Description:
Stainless steel grade 409L is a general chromium, titanium stabi¶lized, ferritic stainless steel whose primary application 'is automotive exhaust systems. It contains 11% chromium which is the mini✘mum amount for the formation of the passive surface film which gives stainless steels their corrosion resistance. It combin es good elevated temperature corrosion resistance with medium stren$gth, good formability, and overall cost.
Stainless steel grade 409L resists corrosion strongly comφpared to carbon steel and is used as an alternative to carbon steel in mild ly challenging environments where its high resistance to corrosion and high temperature oxiΩdation gives an advantage. It is commonly used in applications where appearance is a s€econdary quality to mechanical properties and corrosion resistance.
Chemical Properties:
|
Grade |
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 |
Applications:
Although Alloy 409 is designed principally for the automotive exhaust industry, it has been success∏fully used in other industrial applications as well. Some eαxamples of applications that call for Alloy 409 include:
Automotive exhaust systems
Catalytic converters
Mufflers
Tailpipes
Farm equipment
Structural support and hangers
Transformer cases
Furnace components
Heat exchanger tubing
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