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Saif Sheets and Plates, a dependable manufacturer and supplier located in Muscat, Oman, offers high-quality Stainless Steel 409 Sheets and Plates designed for durability and cost-effective performance. Known for their reliability and customer-centric approach, the company ensures every sheet and plate meets strict industry standards and delivers consistent results across various applications. Stainless Steel 409 is valued for its excellent heat resistance, moderate corrosion resistance, and affordability, making it ideal for both industrial and commercial use. Saif Sheets and Plates combines technical expertise with attentive service, helping clients access materials that provide long-lasting value and dependable functionality.
Stainless Steel 409 is a ferritic stainless steel containing chromium as its primary alloying element, with small additions of titanium for improved stability and weldability. It offers good oxidation resistance and maintains strength at high temperatures. While its corrosion resistance is moderate compared to higher-grade stainless steels, it performs well in mildly corrosive environments. Mechanically, SS 409 provides good tensile strength, adequate toughness, and excellent formability. These properties make it a practical and economical option for applications where heat resistance, weldability, and structural reliability are essential.
| 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 have many advantages, including excellent corrosion and oxidation resistance, and the high chromium content provides durability against scratches and scratches, especially in areas where fragile and hot. The material exhibits excellent weldability and formability, making it easy to manufacture for a variety of applications. Balancing strength and cost, stainless steel 409 is ideal for automotive exhaust systems, heat exchangers and furnace components. In addition, it resists thermal fatigue well and is very durable under extreme conditions.
Stainless Steel 409 Sheets and Plates are widely used in industries that require heat resistance, durability, and cost-efficient performance. They are a popular choice in automotive exhaust systems, catalytic converters, mufflers, and heat shields due to their ability to withstand high temperatures. In industrial sectors, they are used for furnace components, heat exchangers, ducting, and equipment exposed to thermal cycling. SS 409 is also suitable for kitchen equipment, storage tanks, and architectural trim where an economical yet reliable stainless steel is needed. Its balance of affordability, strength, and temperature resistance makes it a versatile material for numerous applications.
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