Stainless Steel Coil 304L 0.3mm to 3mm Thick for Industrial and Food Processing
Stainless Steel Coil 304L 0.3mm to 3mm Thick for Industrial and Food Processing
Introduction
Our Stainless Steel Coil 304L is a premium-quality low-carbon austenitic stainless steel coil, designed to deliver exceptional corrosion resistance, durability, and formability. Ideal for both industrial and food processing applications, this coil meets rigorous international standards and ensures long-lasting performance in challenging environments. Its low carbon content minimizes the risk of carbide precipitation during welding, making it perfect for applications requiring high corrosion resistance and hygienic conditions.
Material Composition Table
| Element | Content (%) |
|---|---|
| Carbon (C) | ≤ 0.03 |
| Chromium (Cr) | 18.0 – 20.0 |
| Nickel (Ni) | 8.0 – 12.0 |
| Manganese (Mn) | ≤ 2.0 |
| Silicon (Si) | ≤ 1.0 |
| Phosphorus (P) | ≤ 0.045 |
| Sulfur (S) | ≤ 0.03 |
| Iron (Fe) | Balance |
Specification Table
| Property | Value |
|---|---|
| Thickness | 0.3mm – 3.0mm |
| Width | 600mm – 1500mm |
| Coil Weight | 1 – 10 tons per coil |
| Surface Finish | 2B, BA, No. 4, HL |
| Standard | ASTM A240 / ASME SA240 |
| Density | 7.93 g/cm³ |
| Tensile Strength | 520 – 750 MPa |
| Elongation | ≥ 40% |
Manufacturing Process Flow
| Step | Description |
|---|---|
| Melting | Stainless steel melted in electric arc furnace (EAF) |
| Casting | Continuous casting into slabs |
| Hot Rolling | Slabs rolled at high temperatures to desired thickness |
| Annealing | Heat treatment for stress relief and enhanced corrosion resistance |
| Cold Rolling | Cold-rolled to final thickness with smooth surface finish |
| Pickling & Passivation | Acid treatment to remove impurities and enhance corrosion resistance |
| Cutting & Slitting | Coil cut to required width and weight |
Applications
| Industry | Typical Use |
|---|---|
| Food Processing | Food containers, kitchen equipment, dairy equipment |
| Chemical Industry | Tanks, reactors, piping systems |
| Construction | Decorative panels, roofing, cladding |
| Automotive | Exhaust components, trims |
| Medical Equipment | Surgical instruments, sterilization trays |
Advantages
- Excellent corrosion resistance in acidic and alkaline environments.
- High ductility and formability for complex shapes.
- Hygienic and easy to clean, ideal for food-grade applications.
- Low carbon content reduces sensitization and welding defects.
- Long service life in harsh industrial conditions.
FAQ
Q1: Is 304L suitable for welding?
A1: Yes, its low carbon content prevents carbide precipitation during welding.
Q2: Can it be used in marine environments?
A2: Yes, though 316 or 316L is preferable for prolonged exposure to seawater.
Q3: What surface finishes are available?
A3: 2B, BA, No. 4, and HL finishes are available depending on application.
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Get in Touch
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