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ASTM A240 304 Stainless Steel Sheet Cold Rolled Bright Surface Corrosion Resistant SS Sheet
Product Details
| Model NO. | 304 | Shape | Flat |
|---|---|---|---|
| Technique | Cold Rolled | Surface Treatment | Bright |
| Cr Content | 18% | Ni Content | 8% |
| Specification | 1220*2440, 1500*3000, 1500*6000, 2000*6000mm | Production Capacity | 50000kgs |
| Tensile Strength | ≥ 520 MPa | Yield Strength | ≥ 205 MPa |
| Elongation | ≥40% | Section Shrinkage | ≥ 60% |
| Hardness | ≤ 187HB; ≤ 90HRB; ≤ 200HV | Melting Point | 1398 ~ 1454 ºC |
| Thermal Conductivity | 16.3 ~ 21.5 W/m.K | ||
| Highlight | Cold Rolled Stainless Steel Sheet,Bright Surface 304 SS Sheet,Corrosion Resistant ASTM A240 Sheet |
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Product Description
ASTM A240 304 Stainless Steel Sheet
High-quality 304 stainless steel sheet manufactured to ASTM A240 standards with various surface finishes to meet diverse industrial requirements.
Surface Treatments and Characteristics
| Surface Finish | Characteristics and Applications |
|---|---|
| NO.2B | Superior surface 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, providing good brightness with discontinuous coarse striations. Used for bathtubs, building ornaments, appliances, kitchen utensils, and food processing equipment. |
| HL | Polished with #150-#320 grit abrasive belt on NO.4 finish, featuring continuous streaks. Primarily used for building ornaments, elevators, doors, and frontal plates. |
| BA | Cold rolled, bright annealed and skin-passed finish with excellent brightness and mirror-like reflectivity. Ideal for kitchen apparatus and decorative applications. |
| 8K | Premium brightness and superior mirror-like reflectivity for high-end applications. |
Chemical Composition
C: ≤0.08%, Si: ≤1.0%, Mn: ≤2.0%, Cr: 18.0-20.0%, Ni: 8.0-10.0%, S: ≤0.03%, P: ≤0.045%
Physical Properties
| Property | Value | Property | Value |
|---|---|---|---|
| Tensile Strength σb (MPa) | ≥ 520 | Specific Heat Capacity (0-100°C, KJ/kgK) | 0.50 |
| Yield Strength σ0.2 (MPa) | ≥ 205 | Thermal Conductivity (W/m·K) | 16.3 (100°C), 21.5 (500°C) |
| Elongation δ5 (%) | ≥ 40 | Linear Expansion Coefficient (10⁻⁶/K) | 17.2 (0-100°C), 18.4 (0-500°C) |
| Section Shrinkage ψ (%) | ≥ 60 | Resistivity (20°C, 10⁻⁶ Ω·m) | 0.73 |
| Hardness | ≤ 187HB; ≤ 90HRB; ≤ 200HV | Elastic Modulus (20°C, KN/mm²) | 193 |
| Melting Point (°C) | 1398 - 1454 | Specific Heat Capacity | 0.50 |
Corrosion Resistance
Stainless steel 304 offers excellent resistance to corrosion and staining with low maintenance requirements and attractive appearance. The material is steam-cleanable and sterilizable without needing paint or surface finishes, making it ideal for demanding environments.
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
- Commercial kitchens and food processing plants
- Cookware, cutlery and household hardware
- Surgical instruments and medical equipment
- Major appliances and industrial equipment
- Automotive and construction materials
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