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In Delhi, India, Daksh Sheets and Plates is a leading manufacturer and supplier of stainless steel 309S coils and slitting coils. Creating premium heat-resistant stainless steel coils for high-temperature applications is our area of expertise. Our SS 309S products are widely used in furnaces, heat treatment plants, and thermal processing equipment because of their dedication to quality and performance. Our coils are made to international standards and have consistent mechanical strength and exact dimensions. At Daksh, we prioritise client satisfaction by providing cost-effective pricing, flexible sizes, and prompt delivery to sectors like metallurgy, refineries, and oil and gas.
Approximately 23% chromium and 13% nickel make up stainless steel 309S, which provides excellent resistance to oxidation and moderate strength at high temperatures. It reduces carbide precipitation and improves weldability with a maximum carbon content of 0.08%. About 550 MPa is the tensile strength, 205 MPa is the yield strength, and 40% is the elongation. Even at temperatures higher than 1000°C, this alloy retains its structural integrity. It is a popular option for heat-exposed components due to its exceptional toughness, durability, and thermal resistance under cyclic heating.
| Item | Stainless Steel 309 coil(Hot rolled, cold rolled) | |
| Thickness | 0.025 to 3 mm and as per Customer Requirement | |
| Width | 3 mm to 2000 mm and as per Customer Requirement | |
| Length | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc | |
| Standard | JIS, AISI, ASTM, GB, DIN, EN, etc | |
| Surface | the surface and finish of stainless steel 309 coil: 2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, checkered, embossed, hair line, sand blast, Brush, etching, etc | |
| Brand: | Indian Origin, European Origin, Japanese Origin, US Origin, Korea Origin, Thailand Origin, Taiwan Origin | |
| Manufacturer: | POSCO, Aperam, Jindal Stainless, DKC Korea, Thyssenkrup, Baosteel, TISCO, Arcelor Mittal, VDM, Nippon Metal, Outokumpu | |
| Package | Shrink-wrapped ,Carton boxes,Wooden pallets,Wooden boxes ,Wooden crates Etc. required. |
| Grade | Fe | Cr | Ni | Mn | Si | C | P | S | |
| SS 309 | 60% | 23% | 14% | 2% | 1% | 0.20% | 0.045% | 0.030% |
| Yield Strength 0.2% Offset0 | Ultimate Tensile Strength | Elongation in 2 in. | Hardness | |||
| psi (min.) | (MPa) | psi (min.) | (MPa) | % (min.) | (max.) | |
| 45,000 | 310 | 85,000 | 586 | 50 | 202 (HBN) | |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Yes, we offer custom sizes for Stainless Steel 309S Coils to meet specific project needs. Our team at Daksh Sheets and Plates is dedicated to providing tailored solutions for all your requirements. For more details, contact us at sales@dakshsheetsandplates.co.in
| STANDARD | WERKSTOFF NR. | UNS | JIS | AFNOR | BS | GOST | EN | |
| SS 309 | 1.4828 | S30900 | SUS 309 | – | – | – | – |
SS 309S Slitting/Coil High-temperature settings like industrial furnaces, kilns, boilers, and heat treatment systems are perfect for coils. It is widely used in refineries, combustion chambers, and fire box sheets where resistance to oxidation and scaling is essential. These coils are also used in radiant tubes, exhaust ducts, and catalytic converter systems. 309S is preferred for fabricating components subjected to varying heat cycles because of its formability and weldability. It is a dependable option for both structural and functional roles in high-temperature systems because of its resistance to corrosion and thermal fatigue, which guarantees longevity.
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