904L/N08904 Stainless Steel Plate
Grade: 904L/N08904
Thickness: 3.0mm-200mm
Width: 1.5m/2.0m/2.2m or as client’s requirement.
Standard: ASTM A240/A240M, JIS G4304, JISG 4305, EN 10088/3
Finish: No.1, Polished
- Fast Shipping / Ready Stock
- ISO 9001 Direct Factory
- Custom Cutting & Processing
- 100% MTC & SGS Inspection Supported
904L stainless steel is a high-alloy super austenitic stainless steel developed for applications requiring exceptional corrosion resistance. It contains high nickel, chromium, molybdenum, and copper contents, providing outstanding resistance to sulfuric acid, phosphoric acid, chloride environments, and general corrosion.
Compared with conventional stainless steels such as 316L, 904L offers significantly improved resistance to pitting, crevice corrosion, and reducing acids. Its low carbon content provides excellent resistance to intergranular corrosion after welding, making it suitable for welded structures.
904L is widely used in chemical processing, pharmaceutical, marine, and pollution control industries where long-term corrosion performance is required. Its excellent durability makes it suitable for highly aggressive chemical environments.
Chemical Composition (Typical wt.%)
| Element | Specification |
| Carbon (C) | ≤0.020 |
| Chromium (Cr) | 19.00-23.00 |
| Nickel (Ni) | 23.00-28.00 |
| Molybdenum (Mo) | 4.00-5.00 |
| Copper (Cu) | 1.00-2.00 |
| Manganese (Mn) | ≤2.00 |
| Iron (Fe) | Balance |
Mechanical Properties (Annealed Condition)
| Property | Value |
| Tensile Strength | ≥490 MPa |
| Yield Strength (0.2%) | ≥220 MPa |
| Elongation | ≥35% |
| Hardness | ≤70 HRB |
| Density | Approx. 8.0 g/cm³ |
- Sulfuric acid processing equipment
- Chemical reactors
- Pharmaceutical equipment
- Heat exchangers
- Marine equipment
- Pollution control systems
- Storage tanks
- Process piping
904L stainless steel is a high-alloy super austenitic stainless steel developed for applications requiring exceptional corrosion resistance. It contains high nickel, chromium, molybdenum, and copper contents, providing outstanding resistance to sulfuric acid, phosphoric acid, chloride environments, and general corrosion.
Compared with conventional stainless steels such as 316L, 904L offers significantly improved resistance to pitting, crevice corrosion, and reducing acids. Its low carbon content provides excellent resistance to intergranular corrosion after welding, making it suitable for welded structures.
904L is widely used in chemical processing, pharmaceutical, marine, and pollution control industries where long-term corrosion performance is required. Its excellent durability makes it suitable for highly aggressive chemical environments.
Chemical Composition (Typical wt.%)
| Element | Specification |
| Carbon (C) | ≤0.020 |
| Chromium (Cr) | 19.00-23.00 |
| Nickel (Ni) | 23.00-28.00 |
| Molybdenum (Mo) | 4.00-5.00 |
| Copper (Cu) | 1.00-2.00 |
| Manganese (Mn) | ≤2.00 |
| Iron (Fe) | Balance |
Mechanical Properties (Annealed Condition)
| Property | Value |
| Tensile Strength | ≥490 MPa |
| Yield Strength (0.2%) | ≥220 MPa |
| Elongation | ≥35% |
| Hardness | ≤70 HRB |
| Density | Approx. 8.0 g/cm³ |
- Sulfuric acid processing equipment
- Chemical reactors
- Pharmaceutical equipment
- Heat exchangers
- Marine equipment
- Pollution control systems
- Storage tanks
- Process piping
