Stainless Steel Coil
High-quality austenitic stainless steel coil for continuous processing and fabrication applications
Premium 304/316 stainless steel coil in continuous roll form enables efficient high-speed processing for metal stamping, tube fabrication, and strip applications. Engineered for manufacturing flexibility and superior corrosion performance across diverse industries.
Quick Specifications
- Material Designation
- ASTM A 666 / UNS S30400 (304) or S31600 (316)
- Werkstoff Number
- 1.4301 (304) or 1.4401 (316)
- Form
- Coil (Continuous Roll)
- Tensile Strength
- 515 - 860 MPa (depending on hardness)
- Yield Strength
- 205 - 620 MPa (depending on hardness)
- Elongation
- 15 - 45% (depending on hardness)
Standards & Certifications
Product Description
Stainless steel coil provides the advantages of continuous stainless steel material in coil form, enabling high-speed stamping, deep drawing, and progressive forming operations. The austenitic chromium-nickel composition delivers exceptional corrosion resistance while maintaining the formability required for complex punch-press and tube-forming applications. Coil form minimizes material handling, waste, and processing costs compared to individual sheet pieces, making it the preferred format for high-volume manufacturing operations.
Our stainless steel coils are produced from virgin raw materials and processed through controlled rolling and annealing to optimize grain structure, mechanical properties, and surface finish. Each coil is carefully coiled and packaged to prevent deformation or surface damage during shipment and storage. The material is available in various widths, thicknesses, and hardness conditions to accommodate diverse processing equipment and application requirements.
Stainless steel coil can be processed using standard metal-forming equipment including progressive dies, roll-forming machines, and drawing presses without requiring special tooling or techniques. The material's superior work-hardening characteristics, combined with excellent ductility, enable complex forming operations that would fail with other materials. Cold-working increases strength while maintaining corrosion resistance, enabling engineers to optimize component design and reduce material usage.
With unmatched versatility in high-speed continuous processing, superior corrosion protection, and proven cost-effectiveness across diverse manufacturing environments, stainless steel coil represents the optimal material choice for companies seeking to maximize production efficiency while maintaining uncompromising product quality and durability.
Specifications
| Material Designation | ASTM A 666 / UNS S30400 (304) or S31600 (316) |
| Werkstoff Number | 1.4301 (304) or 1.4401 (316) |
| Form | Coil (Continuous Roll) |
| Tensile Strength | 515 - 860 MPa (depending on hardness) |
| Yield Strength | 205 - 620 MPa (depending on hardness) |
| Elongation | 15 - 45% (depending on hardness) |
| Thickness Range | 0.3 - 3.0 mm |
| Width Range | 10 - 1500 mm |
| Density | 8.0 g/cm³ |
| Melting Point | 1399 - 1418°C |
| Thermal Conductivity | 16.3 W/m·K at 100°C |
| Modulus of Elasticity | 193 GPa |
Chemical Composition
| Element | Content (%) |
|---|---|
| Carbon (C) | ≤ 0.08 |
| Chromium (Cr) | 18.0 - 20.0 |
| Nickel (Ni) | 8.0 - 12.0 |
| Molybdenum (Mo) | ≤ 0.75 (316 grade) |
| Manganese (Mn) | ≤ 2.0 |
| Silicon (Si) | ≤ 1.0 |
| Phosphorus (P) | ≤ 0.045 |
| Sulfur (S) | ≤ 0.030 |
| Iron (Fe) | Balance |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength (Annealed) | 515 - 620 MPa |
| Tensile Strength (1/2 Hard) | 620 - 860 MPa |
| Yield Strength (Annealed) | 205 MPa minimum |
| Elongation (Annealed) | 40% minimum |
| Elongation (1/2 Hard) | 15% minimum |
| Hardness (Annealed) | 217 HV maximum |
| Hardness (1/2 Hard) | 340 - 380 HV |
| Reduction of Area | 55% minimum (annealed) |
Key Features & Advantages
Applications
Automotive and Transportation Manufacturing
Stamping and forming of interior trim, fastener components, and structural elements where high-speed progressive die operations benefit from coil form material and superior corrosion resistance.
Tube and Pipe Fabrication
Production of welded tubes through roll-forming and high-frequency welding processes where continuous coil feed enables efficient high-volume manufacturing with minimal material waste.
Metal Stamped Components
Manufacturing of appliance parts, electrical enclosures, and precision-stamped components where progressive-die operations require superior formability and consistent material properties.
Food Processing Equipment Components
Fabrication of processing vessel components, tank internals, and food-contact surfaces where hygienic properties and corrosion resistance meet stringent food safety regulations.
HVAC and Environmental Equipment
Production of ductwork, dampers, and environmental control system components where corrosion resistance and forming capability enable efficient manufacturing of complex shapes.
Pharmaceutical and Medical Device Manufacturing
Stamping and forming of cleanroom components, equipment enclosures, and medical device housings where material purity and sterilization compatibility are essential requirements.
Frequently Asked Questions
What advantages does coil form provide over individual sheet stock?
What hardness conditions are available, and how do they affect forming capability?
Can stainless steel coil material be welded in the progressive die or after forming?
How should stainless steel coils be stored to prevent surface degradation?
What are typical scrap rates when processing stainless steel coil material?
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