S32615 pipe/tube/plate
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Specification, Chemical & Mechanical Performance
S32615 Standard Equivalents
- China Standard (GB): S32615
- Russian Standard (GOST): No direct equivalent; refer to similar high-nitrogen austenitic stainless steel grades.
- American Standard (ASTM/UNS): UNS S32615
- German Standard (DIN/Werkstoff): 1.4652
- Japanese Standard (JIS): No direct equivalent.
- International Standard (ISO): No direct equivalent.
Chemical Composition
- Carbon (C): ≤0.03%
- Chromium (Cr): 24.0-26.0%
- Nickel (Ni): 17.0-19.0%
- Molybdenum (Mo): 4.0-5.0%
- Nitrogen (N): 0.45-0.55%
- Manganese (Mn): ≤2.0%
- Silicon (Si): ≤0.5%
- Copper (Cu): 1.0-2.0%
- Phosphorus (P), Sulfur (S): ≤0.03%
Physical Properties
- Density: ~8.0 g/cm³
- Melting Point: 1350-1400°C
- Coefficient of Thermal Expansion (20-100°C): 14.5 × 10⁻⁶/K
- Thermal Conductivity (20°C): 12 W/(m·K)
- Elastic Modulus: 200 GPa
- Hardness: HB ≤250 (annealed condition)
Primary Applications
- High-Temperature & Corrosive Environments: Flue gas desulfurization systems, chemical reactors, high-temperature furnace components.
- Marine Engineering: Seawater desalination equipment, offshore platform pipelines.
- Oil & Gas: Acidic oilfield equipment, downhole tools.
- Environmental Protection: Waste incinerators, exhaust gas treatment systems.
- Others: Nuclear industry components, medical devices (special certification required).
Key Characteristics
- Corrosion Resistance: Excellent resistance to chloride ion corrosion, pitting, and stress corrosion cracking.
- High-Temperature Performance: Long-term service temperature up to 600°C (short-term up to 800°C).
- Mechanical Properties: High strength and toughness, suitable for harsh working conditions.
For additional details (e.g., heat treatment or welding requirements), feel free to ask!
