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Saif Sheets and Plates is a premier manufacturer and supplier of Stainless Steel 309S Coil/Slitting Coil in Muscat, Oman, delivering high-temperature austenitic stainless steel coils for furnace, boiler, and chemical processing applications across the GCC and global markets. These low-carbon coils (UNS S30908, 1.4833) come in thicknesses from 0.02-6.0mm, widths up to 1500mm, and slitting edges per ASTM A240 standards, with finishes like 2B or annealed for superior oxidation resistance up to 1093°C. Saif Sheets and Plates offers precision slitting, rapid stock, and certifications for weldable, formable solutions in harsh thermal environments.
Stainless Steel 309S Coil/Slitting Coil consists of Fe balance, Cr 22-24%, Ni 12-15%, Mn max 2%, Si max 1%, C max 0.08%, P max 0.045%, S max 0.03%, providing enhanced resistance to carbide precipitation and sulfidation. Annealed properties include tensile strength min 515 MPa, yield strength min 205 MPa, elongation min 40%, hardness max 95 HRB or 85 HRB, density 7.98 g/cm³, and thermal conductivity 14.9 W/m·K at 100°C. These support excellent creep/oxidation resistance, machinability, and roll-forming up to 1850°F under cycling.
| 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.
Stainless Steel 309S Coil/Slitting Coil offers several advantages, including exceptional resistance to oxidation and corrosion, especially in high-temperature environments. Its low carbon content minimizes carbide precipitation, ensuring greater resistance to sensitization. The alloy’s high chromium and nickel content enhances its strength and durability in elevated temperatures. It provides excellent weldability, making it ideal for applications involving heat treatment and welding. Furthermore, Stainless Steel 309S maintains its mechanical properties in extreme conditions, offering superior performance in industries such as aerospace, chemical processing, and heat exchangers.
Yes, we offer custom sizes for Stainless Steel 309S Coils to meet specific project needs. Our team at Saif Sheets and Plates is dedicated to providing tailored solutions for all your requirements. For more details, contact us at sales@aaronsheetsplates.com.
| STANDARD | WERKSTOFF NR. | UNS | JIS | AFNOR | BS | GOST | EN | |
| SS 309 | 1.4828 | S30900 | SUS 309 | – | – | – | – |
Stainless Steel 309S Coil/Slitting Coil excels in oven linings, boiler baffles, firebox sheets, furnace components, and high-temperature containers due to superior scaling resistance in dry air. It serves aircraft/jet engine parts, heat exchangers, auto exhaust systems, and refinery equipment, outperforming 304 in marine atmospheres and moist conditions. Additional uses include chemical processing vessels and thermal cycling parts, enabling easy welding and deep drawing without embrittlement.
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