AISI 409 stainless steel exhaust pipe Price per kg

What is AISI 409 stainless steel exhaust pipe ?

AISI 409 stainless steel exhaust pipe is a ferritic stainless steel primarily composed of chromium (10.5% to 11.75%) and iron, with small amounts of other elements such as manganese, silicon, and carbon. This composition gives it good oxidation resistance and corrosion resistance, making it particularly suitable for applications exposed to moderate temperatures and mildly corrosive environments, such as automotive exhaust systems. AISI 409 is less expensive than other stainless steel grades, such as 304 or 316, making it an ideal choice for cost-sensitive applications.

 

AISI 409 Stainless Steel Exhaust Pipe Price per kg

The price of AISI 409 stainless steel exhaust pipes varies depending on several factors such as pipe diameter, wall thickness, and quantity ordered. On average, AISI 409 exhaust pipes cost around $2.80 to $4.50 per kilogram. Below is a price table that outlines different product forms and their respective price ranges:

Product Form	Price per kg (USD)	Price Range (USD)
AISI 409 Stainless Steel Exhaust Pipe (1.5" to 2")	$3.00 - $4.00	$2.80 - $4.20 per kg
AISI 409 Stainless Steel Exhaust Pipe (2" to 4")	$3.20 - $4.30	$3.00 - $4.50 per kg
AISI 409 Stainless Steel Exhaust Pipe (Custom Sizes)	$3.10 - $4.20	$2.90 - $4.40 per kg

Note: Prices can fluctuate depending on factors like market demand, raw material availability, and global shipping costs. For large orders, you can get custom quotes with bulk discounts.

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Key Features of AISI 409 Stainless Steel Exhaust Pipes

Property	Value
Grade	AISI 409 (1.4512)
Type	Ferritic Stainless Steel
Chromium (Cr)	10.5% - 11.75%
Carbon (C)	≤0.08%
Manganese (Mn)	≤1.00%
Silicon (Si)	≤1.00%
Sulfur (S)	≤0.03%
Tensile Strength	450 - 600 MPa (65 - 87 ksi)
Yield Strength	280 - 410 MPa (41 - 59 ksi)
Elongation	≥25%
Hardness	170 - 220 HB
Thermal Conductivity	14.9 W/m·K

 

is 409 Stainless Steel Good for Exhaust?

Yes, 409 stainless steel is very good and widely used for exhaust systems because it offers excellent high-temperature resistance, good corrosion protection (especially in dry climates), and is a cost-effective choice for manufacturers and consumers, though it can develop surface rust compared to higher grades like 304 stainless steel. It's the standard for many factory exhausts due to its balance of durability, formability, and price.

 

What are AISI 409 Stainless Steel Exhaust Pipes Used For?

AISI 409 stainless steel exhaust pipes are commonly used in automotive exhaust systems due to their affordability and resistance to high temperatures. Here are the most common applications:

1. Automotive Exhaust Systems

AISI 409 is widely used in exhaust pipes, mufflers, catalytic converters, and exhaust manifolds. The high-temperature resistance and oxidation resistance of AISI 409 make it ideal for components exposed to extreme heat and corrosive exhaust gases.

2. Industrial Applications

AISI 409 is also used in industrial applications such as heat exchangers, furnace components, and pressure vessels, where corrosion resistance and heat resistance are crucial in chemical processing or thermal treatment.

3. Marine Exhaust Systems

In marine environments, AISI 409 exhaust pipes can be used for marine engine exhaust systems where saltwater exposure and high temperatures are factors, offering good corrosion resistance in these challenging environments.

 

At Gnee, All of our AISI 409 stainless steel pipes are ISO 9001 certified, ensuring that each product meets the highest standards of quality and durability. We provide Mill Test Certificates (MTC) and Third-Party Inspection Reports upon request, verifying the chemical composition, mechanical properties, and surface finish of our products.

Whether you need standard or custom-sized ss 409 pipes, Gnee ensures reliable quality and on-time delivery to meet your specific application needs.