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Smith Fittings, a reputable manufacturer and supplier located in Canberra, Australia, specializes in high-quality **Stainless Steel 409 Sheets and Plates** that are celebrated for their outstanding corrosion resistance, impressive high-temperature performance, and remarkable durability. Designed for a variety of uses in automotive, industrial, and structural settings, these sheets and plates deliver dependable performance even in mildly corrosive and oxidizing environments. Crafted to meet international standards, Smith Fittings’ Stainless Steel 409 Sheets and Plates guarantee exceptional dimensional accuracy, weldability, and mechanical stability. Their unique blend of toughness, oxidation resistance, and long-lasting strength makes them perfect for applications like exhaust systems, heat exchangers, structural frameworks, and machinery components that demand consistent performance and reliability.
**Stainless Steel 409 Sheets and Plates** are primarily made of iron, containing about 10–11.5% chromium along with trace amounts of carbon, manganese, silicon, and titanium. This ferritic stainless steel provides moderate corrosion resistance, good high-temperature oxidation resistance, a tensile strength ranging from 450–600 MPa, and a yield strength between 250–350 MPa. The material is known for its weldability, formability, and dimensional stability, making it an excellent choice for industrial, automotive, and structural applications that require both durability and strength.
| 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.
You’ll find **Stainless Steel 409 Sheets and Plates** commonly used in automotive exhaust systems, furnace components, heat exchangers, and various industrial structural applications. They are particularly well-suited for creating ducting, protective panels, machinery supports, and structural assemblies that are exposed to moderately corrosive and high-temperature conditions. In both industrial and automotive contexts, these sheets and plates offer mechanical strength, long-lasting durability, and resistance to oxidation and scaling. With their combination of corrosion resistance, toughness, and weldability, Stainless Steel 409 Sheets and Plates from Smith Fittings stand out as a trustworthy option for structural and industrial needs.
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