Stainless Steel Perforated Sheet - 304, 316L, 904L, 310S Grades
High-quality stainless steel perforated sheets available in various grades including 304, 316L, 904L, and 310S with hole sizes ranging from 0.1mm to 10mm.
Surface Treatments and Characteristics
| Surface Finish |
Characteristics and Applications |
| NO.2B |
Superior brightness and flatness compared to NO.2D. Enhanced mechanical properties through special surface treatment, suitable for comprehensive applications. |
| NO.1 |
Heat treatment and pickling finish after hot rolling process. |
| NO.4 |
Polished with #150-#180 grit abrasive belt. Features better brightness with discontinuous coarse striations. Ideal for bathtubs, building ornaments, electrical appliances, kitchen utensils, and food processing equipment. |
| HL |
Polished with #150-#320 grit abrasive belt on NO.4 finish with continuous streaks. Primarily used for building ornaments, elevators, architectural doors, and frontal plates. |
| BA |
Cold rolled, bright annealed, and skin-passed. Excellent brightness and mirror-like reflectivity. Suitable for kitchen apparatus and decorative applications. |
| 8K |
Exceptional brightness and superior mirror-like reflectivity. |
Chemical Composition
Carbon (C): ≤0.08% | Silicon (Si): ≤1.0% | Manganese (Mn): ≤2.0%
Chromium (Cr): 18.0-20.0% | Nickel (Ni): 8.0-10.0%
Sulfur (S): ≤0.03% | Phosphorus (P): ≤0.045%
Physical Properties
| Property |
Value |
| Tensile Strength (σb) |
≥ 520 MPa |
| Yield Strength (σ0.2) |
≥ 205 MPa |
| Elongation (δ5) |
≥ 40% |
| Section Shrinkage (ψ) |
≥ 60% |
| Hardness |
≤ 187HB; ≤ 90HRB; ≤ 200HV |
| Melting Point |
1398-1454°C |
| Specific Heat Capacity (0-100°C) |
0.50 KJ/kg·K |
| Thermal Conductivity |
16.3 W/m·K (100°C), 21.5 W/m·K (500°C) |
| Linear Expansion Coefficient |
17.2 (0-100°C), 18.4 (0-500°C) |
| Resistivity (20°C) |
0.73 × 10⁻⁶ Ω·m |
| Longitudinal Elastic Modulus (20°C) |
193 KN/mm² |
Corrosion Resistance
Stainless steel offers excellent resistance to corrosion and staining, requires low maintenance, and maintains its characteristic luster, making it ideal for numerous applications. This alloy is widely used in cookware, cutlery, household hardware, surgical instruments, major appliances, industrial equipment, and as construction material in large buildings. It is particularly suitable for commercial kitchens and food processing plants due to its steam-cleanability, sterilizability, and elimination of need for paint or other surface finishes.
Applications
- Food preparation equipment, especially in chloride environments
- Chemical processing equipment
- Laboratory benches and equipment
- Rubber, plastics, pulp & paper machinery
- Pollution control equipment
- Boat fittings, valves and pump trim
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