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Kunj Sheets and Plates is a reliable manufacturer and supplier of Stainless Steel 409 coils and slitting coils in Delhi, India, with economical and long-lasting solutions to the automobile, industrial, and fabrication industries. Our SS 409 coils are renowned for their fine weldability, good oxidation resistance, and moderate corrosion resistance in mildly corrosive atmospheres. In different widths, thicknesses, and finishes, our slitting coils are accurately cut to precise customer specifications, providing high performance and ease of processing in subsequent operations.
Stainless Steel 409 is a ferritic stainless steel with a composition of about 10.5–11.75% Chromium and low carbon, possessing good high-temperature properties and reasonable resistance to corrosion. It possesses a tensile strength of about 380–450 MPa and maintains its magnetic characteristics. The alloy is created for uses where appearance is a secondary aspect to mechanical performance and protection from corrosion. SS 409 is readily formable, weldable, and resists oxidation at high temperatures, and it is ideal for automotive and exhaust applications.
| Standard | ASTM A240, ASME SA240 |
| Thickness | 0.1mm to 12 mm Thk |
| Coil Width | 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm etc. |
| Coil Length | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm etc. |
| Surface | 2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, checkered, embossed, hair line, sandblast, Brush, etching. |
| Finish | Hot rolled (HR), Cold rolled (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated), Galvanized etc. |
| Grade | C | Ni | Si | S | Mn | P | Cr | Ti |
| SS 409 | 0.08 max | 0.5 max | 1.00 max | 0.045 max | 1.00 max | 0.045max | 10.5 – 11.75 | 6x C – 0.75 |
| Tensile Strength(MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Rockwell B (HRB) max | Brinell (HB) max |
| 450 | 240 | 25 | 75 | 131 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Stainless Steel 409 Coils and Slitting Coils offer excellent corrosion resistance, particularly in moderately corrosive environments like automotive exhaust systems and industrial applications. They are highly heat-resistant, performing well at elevated temperatures without compromising structural integrity. The low carbon content ensures good weldability and prevents carbide precipitation during welding. With a tensile strength of approximately 450 MPa and good formability, these coils are versatile and durable. Their affordability, combined with superior resistance to oxidation, makes them an ideal choice for cost-effective solutions in applications requiring corrosion and heat resistance.
Yes, we offer custom sizes for Stainless Steel 409 Coils to meet specific project needs. Our team at Kunj Sheets and Plates is dedicated to providing tailored solutions for all your requirements. For more details, contact us at sales@aaronsheetsplates.com.
| Grade | WERKSTOFF NR. | AISI | UNS | AFNOR | BS | GOST | JIS |
| SS 409 | 1.4512 | 409 | S40900 | Z3CT12 | 409 S 19 | SUH 409 | – |
Stainless Steel 409 coils and slitting coils have extensive applications in automotive exhaust systems, silencers, catalytic converter housings, mufflers, and heat shields because of their high thermal stability and low cost. They have applications in building construction for roofing, ducting, and structural panels, industrial fabrication, fuel tanks, and appliance making. The coils have superior formability and weldability and are well suited for press-formed and deep-drawn parts. Their thermal stress performance and service in mildly corrosive conditions make SS 409 coils an optimum option for various high-temperature structural uses.
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