409 stainless steel tube is a general purpose stainless steel product with excellent resistance to oxidation. Kloeckner Metals proudly supplies it nationwide throughout our network of 40+ branches.
| Grade | Sizes Routinely Stocked | ||
|---|---|---|---|
| Thickness | Width | Length | |
| 409 | Inquire for sizes |
409 stainless steel tube is mainly purposed for automotive exhaust systems. It is a chromium titanium stabilized ferritic stainless steel that protects against oxidation at elevated temperatures in mildly challenging atmospheric conditions.
The main advantage this stainless steel grade provides is excellent protection against exhaust gas and atmospheric corrosion at elevated temperatures. Another advantage of 409 stainless steel tube is that it is readily formable and can be formed into complex shapes required in the automotive industry. This stainless steel is not recommended for decorative applications and is not heat treatable.
It is mostly used in the automotive and agriculture industries.
409 stainless steel tube is excellent for automotive exhaust systems. Tailpipes, mufflers, converters, and tubular manifolds are common automotive applications. It is also used for non-automotive exhaust systems, heat exchangers, silencers, power generation, fuel filters, farming equipment, furnace components, and transformer casing.
It has excellent machinability.
It is weldable.
It is not heat treatable.
The main advantage this stainless steel grade provides is excellent protection against exhaust gas and atmospheric corrosion at elevated temperatures. Another advantage of 409 stainless steel tube is that it is readily formable and can be formed into complex shapes required in the automotive industry. This stainless steel is not recommended for decorative applications and is not heat treatable.
It is mostly used in the automotive and agriculture industries.
409 stainless steel tube is excellent for automotive exhaust systems. Tailpipes, mufflers, converters, and tubular manifolds are common automotive applications. It is also used for non-automotive exhaust systems, heat exchangers, silencers, power generation, fuel filters, farming equipment, furnace components, and transformer casing.
It has excellent machinability.
It is weldable.
It is not heat treatable.
| C | Mn | P | S | Si | Cr | Ni | Ti |
|---|---|---|---|---|---|---|---|
| 0.08% max | 1.00% max | 0.045% | 0.045% max | 1.00% max | 10.5 - 11.75% | 0.05% | 0.48 - 0.75% |
| Mechanical Properties | ||
|---|---|---|
| Metric | Imperial | |
| Tensile Strength, Ultimate | 380 MPa | 55 ksi |
| Tensile Strength, Yield | 207 MPa | 30 ksi |
| Elongation at Break (in 2") | 20% | 20% |
| Rockwell Hardness | B95 | B95 |
ANSWER:
There are a number of key differences between 409 and 304. For one, they contain different microstructures. 409 is a ferritic steel, while 304 is an austenitic steel. This leads to differences in mechanical properties. 304 is a higher strength stainless steel, and due to a higher percentage of nickel and chromium it has better corrosion resistance. 409 shows better oxidation resistance at medium strength levels.
ANSWER:
The max Rockwell hardness for 409 stainless is B95.
ANSWER:
There are a number of key differences between 409 and 304. For one, they contain different microstructures. 409 is a ferritic steel, while 304 is an austenitic steel. This leads to differences in mechanical properties. 304 is a higher strength stainless steel, and due to a higher percentage of nickel and chromium it has better corrosion resistance. 409 shows better oxidation resistance at medium strength levels.
ANSWER:
The max Rockwell hardness for 409 stainless is B95.
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