254 Stainless steel medium and thick plate
254 stainless steel medium and thick plate, also known as 6% molybdenum super austenitic stainless steel, are renowned for their exceptional corrosion resistance in highly corrosive environments. These medium and thick plate are specifically designed to withstand challenging conditions, such as those found in seawater and other aggressive chemical environments. The thickness of 254 stainless steel medium and thick plate typically ranges from 3mm to 80mm.
| Grade | 254 |
| Product Name | Medium and Thick Plate |
| Thickness | Up to 80mm |
| Width Range | Up to 2000mm |
| Length Range | Up to 6000mm |
| Surface Finish | No.1, 2B, BA, No.4, No.8, HL, etc. |
| Tensile Strength | ≥ 550 MPa |
| Yield Strength | ≥ 240 MPa |
| Elongation | ≥ 35% |
| Hardness | ≤ 260 HB |
| Density | 8.24 g/cm³ |
| Heat Resistance | Up to 1390°C |
| Corrosion Resistance | Excellent resistance in harsh environments, including seawater |
| Application | Chemical industry, marine equipment, etc. |
| Chemical Composition | Carbon (C): 0.02% maximum Silicon (Si): 1.00% maximum Manganese (Mn): 2.00% maximum Phosphorus (P): 0.040% maximum Sulfur (S): 0.030% maximum Chromium (Cr): 20.00% - 22.00% Nickel (Ni): 17.50% - 18.50% Molybdenum (Mo): 6.00% - 6.50% Copper (Cu): 1.50% - 2.50% Nitrogen (N): 0.18% - 0.22% |
Outstanding Corrosion Resistance: 254 stainless steel medium and thick plate offer excellent resistance to both general corrosion and localized corrosion, including pitting and crevice corrosion, in harsh environments such as seawater, sulfuric acid, and chloride-rich solutions.
High Strength: These plates exhibit high strength and toughness, making them suitable for applications where mechanical properties are critical.
Excellent Weldability: 254 stainless steel has good weldability and can be easily welded using common welding techniques, ensuring ease of fabrication and assembly.
Low Maintenance: Due to its superior corrosion resistance, 254 stainless steel requires minimal maintenance, reducing downtime and operating costs.
Versatility: 254 stainless steel medium and thick plate find application in industries such as marine, offshore oil and gas, chemical processing, and pulp and paper, where corrosive environments are prevalent.
Offshore oil and gas industry: Subsea equipment, pipelines, valves
Marine industry: Heat exchangers, propeller shafts, seawater cooling systems
Chemical processing industry: Tanks, reactors, distillation columns
Pulp and paper industry: Digesters, bleach towers, evaporators
Desalination plants: Brine heaters, evaporators, pumps
Food processing industry: Heat exchangers, storage tanks, conveyor systems
