Stainless Steel 409 Round & Bar Manufacturers in India, Stainless Steel 409 Round & Bars Price, SS Round Price per kg, Stainless Steel 409 Round & Bar Round suppliers, Stainless Steel 409 Round & Bars Price, Stainless Steel 409 Round & Bar Suppliers in UAE, Stainless Steel 409 Round & Bar Suppliers UK, Stainless Steel 409 Round & Bar Suppliers in Saudi Arabia, Stainless Steel 409 Round & Bar Suppliers in Qatar, Stainless Steel 409 Round & Bar Suppliers Australia.
Stainless Steel 409 Round Bar is a ferritic stainless steel known for its excellent corrosion and oxidation resistance, especially in automotive and exhaust system applications. It contains chromium as the primary alloying element, which provides a protective layer against rust and scaling. Stainless Steel 409 Round Bar offers good mechanical strength and thermal stability, making it ideal for high-temperature environments. Its cost-effectiveness and durability make it a popular choice for both industrial and structural uses. This alloy provides dependable performance under moderate corrosive conditions.
The chemical composition of Stainless Steel 409 Round Bar includes approximately 11% chromium with small additions of titanium, which enhances its resistance to intergranular corrosion. The titanium also improves weldability and structural stability after high-temperature exposure. Stainless Steel 409 Round Bar resists oxidation up to 675°C during continuous operation and up to 815°C during intermittent service. Its excellent heat resistance makes it suitable for automotive manifolds, mufflers, and catalytic converter components. This alloy provides a balance between performance and economy.
Stainless Steel 409 Round Bar is widely used in industries where corrosion resistance, strength, and cost-efficiency are essential. It performs well in mild corrosive environments, including exhaust gases, moisture, and industrial fumes. The alloy’s ferritic structure gives it good thermal conductivity and lower expansion compared to austenitic grades. Stainless Steel 409 Round Bar is easy to fabricate, machine, and weld using standard industrial techniques. These features make it highly versatile for automotive, construction, and mechanical applications.
One of the key advantages of Stainless Steel 409 Round Bar is its ability to maintain strength and appearance even after prolonged exposure to heat. It resists scaling and surface degradation, ensuring a long service life. The addition of titanium helps prevent carbide precipitation during welding, maintaining corrosion resistance in the heat-affected zone. Stainless Steel 409 Round Bar also demonstrates good formability, allowing it to be used for complex shapes and fabricated parts. This property makes it an excellent material for custom-engineered components.
In the automotive industry, Stainless Steel 409 Round Bar is commonly used for exhaust systems, silencers, and catalytic converter casings due to its heat and oxidation resistance. Its moderate corrosion resistance and high-temperature strength make it ideal for under-the-hood applications. Stainless Steel 409 Round Bar is also employed in heat exchangers, industrial ovens, and process equipment. Its low carbon content minimizes the risk of sensitization and improves weldability. This alloy provides reliable performance while reducing material costs compared to higher-grade stainless steels.
Stainless Steel 409 Round Bar is also used in construction, power generation, and agricultural machinery for its mechanical properties and corrosion resistance. It provides a durable and low-maintenance solution in environments with moderate chemical exposure. The alloy’s magnetic nature makes it suitable for specific industrial applications where magnetic properties are beneficial. Stainless Steel 409 Round Bar maintains structural integrity under varying temperature and pressure conditions. Its combination of strength, affordability, and versatility enhances its global industrial demand.
In conclusion, Stainless Steel 409 Round Bar is a cost-effective and reliable material offering excellent resistance to heat, oxidation, and corrosion. It provides adequate strength and durability for a wide range of applications in automotive, construction, and industrial sectors. Stainless Steel 409 Round Bar’s weldability, formability, and stability make it an ideal choice for high-temperature and moderate-corrosion environments. Its balance of performance and affordability ensures long-term value for users. Overall, it remains one of the most practical ferritic stainless steels available in the market.
Specification Table
| Property | Specification / Value |
|---|---|
| Grade | SS 409 / AISI 409 |
| Type | Ferritic Stainless Steel |
| Standard | ASTM A276 / ASTM A582 / ASME SA276 |
| Form | Round Bars, Rods, and Sections |
| Surface Finish | Hot Rolled / Cold Drawn / Polished |
| Application | Automotive exhausts, mufflers, heat exchangers, industrial piping |
| Heat Treatment | Annealed / Stress Relieved |
| Density | 7.70 g/cm³ |
| Melting Point | 1425–1530 °C |
| Corrosion Resistance | Good resistance to oxidation and corrosion in mild environments |
| Magnetic Properties | Magnetic (Ferritic) |
Chemical Composition (Typical ranges for SS409)
Note: Values are typical ranges. Final composition will be confirmed on MTC provided per lot.
| Element | Percentage (%) |
|---|---|
| Carbon (C) | ≤ 0.12 |
| Manganese (Mn) | 0.50 – 1.00 |
| Silicon (Si) | ≤ 1.00 |
| Phosphorus (P) | ≤ 0.04 |
| Sulfur (S) | ≤ 0.03 |
| Chromium (Cr) | 10.5 – 11.75 |
| Nitrogen (N) | ≤ 0.03 |
| Iron (Fe) | Balance |
Mechanical Properties (Typical)
| Property | Value | Unit |
|---|---|---|
| Tensile Strength | 450-600 | MPa |
| Yield Strength | 275-400 | MPa |
| Elongation | 20-25 | % |
| Hardness (Brinell) | 120-180 | HB |
| Modulus of Elasticity | 200 | GPa |
| Density | 7.7 | g/cm³ |
Equivalent Grades
| Standard | Equivalent Grade |
|---|---|
| AISI/SAE | 409 |
| ASTM | 409 |
| EN / European | 1.4512 |
| DIN | X2CrTi12 |
| JIS | SUS 409J1 |
| GB / Chinese | 06Cr17Ti |
Dimension & Weight Chart (Selected common sizes)
Below is a representative chart showing outside diameter, wall thickness, inside diameter, cross-sectional area of metal and calculated weight per metre (kg/m). Values are calculated using density = 7.93 g/cm³ and are for guidance — use actual MTC values for procurement & engineering.
| Diameter (mm) | Weight per Meter (kg/m) |
|---|---|
| 6 | 0.22 |
| 8 | 0.39 |
| 10 | 0.62 |
| 12 | 0.89 |
| 16 | 1.58 |
| 20 | 2.47 |
| 25 | 3.85 |
| 32 | 6.31 |
| 40 | 9.86 |
| 50 | 15.4 |
| 60 | 22.0 |
| 80 | 39.0 |
| 100 | 61.0 |
Types of 409 Round Bars and Tubes
Stainless Steel Round Bar
Monel 400 K400 Round Bar
Hastelloy Round Bar
Inconel 600 Round Bar
Nickel Alloy Round Bar
Super Duplex Round Bar
Monel K500 Round Bar
Inconel 625 Round Bar
Frequently Asked Questions (FAQ)
What is Stainless Steel 409 used for?
Stainless Steel 409 is primarily used in automotive exhaust systems, mufflers, and catalytic converters due to its good corrosion resistance and moderate strength.
What are the key mechanical properties of SS 409?
SS 409 has a tensile strength of 450-600 MPa, yield strength of 275-400 MPa, elongation of 20-25%, and hardness of 120-180 HB.
What is the chemical composition of SS 409?
It mainly contains 10.5–11.75% Chromium (Cr), 0.5% Nickel (Ni) max, 0.08% Carbon (C) max, and minor elements like Manganese (Mn), Silicon (Si), and Titanium (Ti).
What are the equivalent grades of SS 409?
Equivalent grades include AISI 409, ASTM 409, EN 1.4512, DIN X2CrTi12, JIS SUS 409J1, and GB 06Cr17Ti.
What sizes are available for SS 409 Round & Bar?
SS 409 round bars are available in diameters ranging from 6 mm to 100 mm, with corresponding weights per meter as per standard charts.
Rounds Bars Supplier
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Rounds Bars Exporter
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