Stainless Steel Coil 316L 0.5mm to 4mm Thick for Chemical and Marine Industry
Stainless Steel Coil 316L 0.5mm to 4mm Thick for Chemical and Marine Industry
Introduction
Our Stainless Steel Coil 316L is a high-performance, low-carbon austenitic stainless steel coil designed for demanding chemical, marine, and industrial applications. With superior corrosion resistance to chlorides and acidic environments, 316L ensures long-term reliability in harsh conditions. Its low carbon content minimizes carbide precipitation during welding, making it ideal for applications requiring both hygiene and durability. This coil is widely used in chemical processing equipment, seawater systems, and marine structures, providing a perfect combination of strength, formability, and resistance to pitting and crevice corrosion.
Material Composition Table
| Element | Content (%) |
|---|---|
| Carbon (C) | ≤ 0.03 |
| Chromium (Cr) | 16.0 – 18.0 |
| Nickel (Ni) | 10.0 – 14.0 |
| Molybdenum (Mo) | 2.0 – 3.0 |
| Manganese (Mn) | ≤ 2.0 |
| Silicon (Si) | ≤ 1.0 |
| Phosphorus (P) | ≤ 0.045 |
| Sulfur (S) | ≤ 0.03 |
| Iron (Fe) | Balance |
Specification Table
| Property | Value |
|---|---|
| Thickness | 0.5mm – 4.0mm |
| Width | 600mm – 1500mm |
| Coil Weight | 1 – 12 tons per coil |
| Surface Finish | 2B, BA, No. 4, HL |
| Standard | ASTM A240 / ASME SA240 |
| Density | 8.0 g/cm³ |
| Tensile Strength | 520 – 750 MPa |
| Elongation | ≥ 40% |
Manufacturing Process Flow
| Step | Description |
|---|---|
| Melting | Molten steel prepared in electric arc furnace (EAF) |
| Casting | Continuous casting into slabs |
| Hot Rolling | Slabs rolled at high temperature to reduce thickness |
| Annealing | Heat treatment to relieve internal stress and enhance corrosion resistance |
| Cold Rolling | Cold rolling to final thickness and desired surface finish |
| Pickling & Passivation | Acid treatment removes scale, enhancing corrosion resistance |
| Cutting & Slitting | Coil cut to specified width and weight |
Applications
| Industry | Typical Use |
|---|---|
| Chemical Industry | Tanks, reactors, piping systems for acids and corrosive chemicals |
| Marine Industry | Shipbuilding, offshore platforms, seawater piping |
| Food Processing | Equipment and containers requiring hygiene and corrosion resistance |
| Pharmaceutical | Sterilization trays, chemical reactors |
| Construction | Exterior panels, roofing, and architectural applications |
Advantages
- Superior resistance to chloride-induced corrosion and pitting.
- Excellent weldability with minimal risk of sensitization.
- High durability in chemical, marine, and harsh industrial environments.
- Hygienic surface suitable for food and pharmaceutical applications.
- Strong mechanical properties combined with excellent formability.
FAQ
Q1: Can 316L be used in seawater applications?
A1: Yes, it provides excellent resistance to chloride corrosion, making it ideal for marine environments.
Q2: What thickness range is available?
A2: 0.5mm to 4mm thickness to meet various industrial and marine requirements.
Q3: What surface finishes are offered?
A3: 2B, BA, No. 4, and HL finishes for different application needs.
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