309S Stainless Steel Plate Specifications
This 309S stainless steel plate (SUS 309S) measures 6×1500×6000mm and offers superior corrosion resistance and high-temperature performance, capable of withstanding temperatures up to 980°C. Primarily used in boiler, chemical, and industrial applications.
Key Advantages
- Excellent high-temperature resistance up to 980°C
- Superior corrosion and oxidation resistance
- Enhanced weldability with minimized carbide precipitation
- Good mechanical strength at elevated temperatures
Material Composition
| Grade |
C |
Mn |
Si |
P |
S |
Cr |
Mo |
Ni |
Cu |
| 309S |
0.08 max |
2.0 max |
0.75 max |
0.045 max |
0.03 max |
22.0-24.0 |
- |
12.0-15.0 |
- |
Mechanical Properties
| Grade |
Tensile Strength MPa (min) |
Yield Strength 0.2% MPa (min) |
Elongation % |
Hardness (HB) MAX |
| 309S |
515 |
205 |
40 |
217 |
Surface Finish Options
Available in various commercial surface finishes including reflective, matte, polished, embossed, colored, plated, or etched surfaces. Easy maintenance requires only occasional rinsing to remove dust and surface contaminants.
Primary Applications
Ideal for high-temperature applications in boilers, chemical processing equipment, and industrial systems where maintaining structural integrity and corrosion resistance at elevated temperatures is critical.
International Classification
- Austenitic stainless steel marked with 200 and 300 series numbers
- Ferritic and martensitic stainless steels use 400 series designations
- Classified by microstructure: martensitic, ferritic, austenitic steel
- Further categorized as chromium, chrome nickel, and chromium manganese nitrogen stainless steel
Export Packaging
- Unit weight: 2-3 tons per package or as requested
- Packing type: Strong wooden pallet with steel strip reinforcement
- Custom packaging available per client specifications