305 Stainless Steel Coil Overview
Our 305 stainless steel coils offer exceptional corrosion resistance, heat resistance, and mechanical strength for demanding industrial applications. Available in thicknesses from 0.3mm to 2mm, these cold-rolled coils are ideal for roofing sheets and various manufacturing requirements.
Key Features & Benefits
- Superior Corrosion Resistance: Stable performance in various corrosive environments with protective oxide film
- Excellent Heat Resistance: Maintains structural integrity at high temperatures with minimal deformation
- High Strength & Hardness: Withstands significant pressure and impact loads
- Cold Rolled Finish: Provides smooth surface and precise dimensional control
Product Specifications
| Parameter |
Specification |
| Product Type |
Steel Coil |
| Thickness Range |
0.3mm - 2mm |
| Width Range |
610mm - 2000mm |
| Length Options |
2000mm, 2440mm, 3000mm, 5800mm, 6000mm |
| Surface Finishes |
BA, 2B, NO.1, NO.4, 4K, HL, 8K |
| Production Technology |
Cold Rolling |
| Edge Processing |
Edging, Trimming |
| Standards Compliance |
ASTM, AISI, JIS, GB, DIN, EN |
| Certifications |
ISO, SGS, BV |
Chemical Composition
| Element |
Content (%) |
| Carbon (C) |
≤ 0.04 |
| Silicon (Si) |
≤ 0.75 |
| Manganese (Mn) |
≤ 2.0 |
| Chromium (Cr) |
17.0 - 19.0 |
| Nickel (Ni) |
10.5 - 13.0 |
| Sulfur (S) |
≤ 0.03 |
| Phosphorus (P) |
≤ 0.045 |
Mechanical Properties
| Property |
Value |
| Tensile Strength |
≥ 515 MPa |
| Yield Strength |
≥ 205 MPa |
| Elongation |
≥ 35% |
| Hardness |
≤ 187 HB, ≤ 90 HRB, ≤ 200 HV |
Physical Properties
| Property |
Value |
| Density |
7.99 g/cm³ |
| Modulus of Elasticity |
193 GPa |
| Thermal Expansion Coefficient |
17.3 × 10⁻⁶/°C |
| Thermal Conductivity |
16.2 W/m·K |
| Electrical Resistivity |
72 μΩ·cm |
Applications
305 stainless steel coils are widely used in: high-temperature electrical components, medical equipment construction, chemical processing, food industry equipment, agricultural machinery, ship parts, food and beverage packaging, kitchen supplies, transportation equipment (trains, airplanes, vehicles), fasteners (bolts, nuts), springs, screens, and roofing sheet manufacturing.