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Yunus Sheets and Plates, located in Istanbul, Turkey, stands out as a leading manufacturer and supplier of top-notch stainless steel products, delivering quality solutions across a range of industries. They specialize in Stainless Steel 409 Sheets and Plates, which are recognized for their impressive oxidation resistance, weldability, and affordability. These materials are crafted to excel in mildly corrosive and high-temperature settings, making them perfect for automotive, industrial, and construction uses. With cutting-edge facilities and rigorous quality assurance practices, Yunus Sheets and Plates ensures that their stainless steel products not only meet international standards but also cater to specific customer needs, guaranteeing long-lasting performance and durability.
Stainless Steel 409 Sheets and Plates are ferritic stainless steels primarily made up of Chromium (10.5–11.75%) with low Carbon (≤0.08%), along with small amounts of Manganese, Silicon, and Nickel. This unique blend offers moderate corrosion resistance and excellent formability. The 409 grade boasts a tensile strength of about 380–450 MPa, a yield strength of roughly 170 MPa, and an elongation of around 20%. It shows good oxidation resistance at high temperatures and retains its structural integrity during thermal cycling. These mechanical traits make it a great choice for applications that demand strength, weldability, and heat resistance without the hefty price tag of more alloyed stainless steels.
| Standards | ASTM A240 / ASME SA240 |
| Dimensions | ASTM, ASME, and API |
| Width | 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc |
| Thickness | 0.01~200mm |
| Length | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc |
| Surface Finish | the surface and finish of stainless steel 409 sheet: 2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, checkered, embossed, hair line, sand blast, Brush, etching, etc |
| Hardness | Soft, Hard, Half Hard, Quarter Hard, Spring Hard etc. |
| Form | Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Blank (Circle), Ring (Flange) etc. |
| Grade | C | Mg | Ph | Si | Sl | Cr | Ti | Ni |
| 409 min 409 max | – 0.08 | – 1 | – 0.045 | – 1 | – 0.045 | 10.5 11.75 | 6xC – | – 0.5 |
| Density (lb / cu. in.) | Specific Gravity | Specific Heat (Btu/lb/Deg F – [32-212 Deg F]) | Modulus of Elasticity Tension |
| 0.278 | 7.86 | 0.11 | 29 |
| Grade | WERKSTOFF NR. | AISI | UNS | AFNOR | BS | GOST | JIS |
| SS 409 | 1.4512 | 409 | S40900 | Z3CT12 | 409 S 19 | SUH 409 | – |
|
Grade |
Density (kg/m3) |
Elastic Modulus (GPa) |
Mean Coefficient of Thermal Expansion (μm/m/°C) |
Thermal Conductivity (W/m.K) |
Specific Heat 0-100°C (J/kg.K) |
Electrical Resistivity (nΩ.m) |
|||
|
0-100°C |
0-315°C |
0-538°C |
at 100°C |
at 500°C |
|||||
|
409 |
7800 |
200 |
11.0 |
11.7 |
12.4 |
25.8 |
27.5 |
460 |
600 |
| Material | Size | Thickness |
| PLATES & SHEETS | 1000 mm x 2000 mm | 0.1mm To 100 mm Thickness |
| 1220 mm x 2440 mm (4′ x 8′) | ||
| 1250 mm x 2500 mm | ||
| 1500 mm x 3000 mm | ||
| 2000 mm x 4000 mm | ||
| 2000 mm x 2000 mm |
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 Sheets and Plates find extensive use in the automotive sector, especially in exhaust systems, mufflers, catalytic converters, and tailpipes, where heat and corrosion resistance are crucial. Beyond the automotive realm, they are also utilized in agricultural machinery, heat exchangers, furnace parts, and ventilation systems. Their blend of good mechanical properties and cost-effectiveness makes them a popular choice across various applications.
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