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Chemical equipment, papermaking industry digesters and bleaching equipment, marine engineering, high-temperature furnaces and heat treatment equipment, automotive exhaust system components
Specifications
Flat Steel Plate
Type
Plate
Model Number
Stainless Steel Sheets
Shape
Flat Steel Plate
Technique
Hot Rolled
Advantage
High resistance to pitting and crevice corrosion, Good high temperature oxidation resistance
Processing Service
Cutting, Bending
Package
Standard Package
Product Description
UNS S32615 is an acid-resistant austenitic stainless steel with high silicon content specifically designed for use in concentrated sulfuric acid (H₂SO₄). This high silicon stainless steel plate offers exceptional corrosion resistance across a wide concentration range and at high temperatures. It provides several advantages over other alloys and traditional materials such as cast iron, including longer equipment life, lower maintenance requirements, and ease of fabrication.
Chemical Composition
Carbon (C) content ≤ 0.07%
Silicon (Si) content 4.80 - 6.00%
Manganese (Mn) content ≤ 2.00%
Phosphorus (P) content ≤ 0.045%
Sulfur (S) content ≤ 0.030%
Chromium (Cr) content 16.5 - 19.5%
Nickel (Ni) content 19.0 - 22.0%
Molybdenum (Mo) content 0.30 - 1.50%
Copper (Cu) content 1.50 - 2.50%
Physical Properties
Density: Approximately 7.93 g/cm³
Melting point: Approximately 1370-1400℃
Specific heat capacity: Approximately 0.50 kJ·kg⁻¹·K⁻¹ (0-100℃)
Thermal conductivity at 100℃: Approximately 15.1 W/m·K
Linear expansion coefficient (0-1000℃): Approximately 13.5×10⁻⁶/K
Resistivity at 20℃: Approximately 7.1×10⁻⁷ Ω·m
Longitudinal elastic modulus: Approximately 193 GPa
Corrosion Resistance
High resistance to pitting and crevice corrosion: Excellent performance in environments containing corrosive media such as chloride ions, effectively resisting pitting and crevice corrosion. Suitable for fields with strict corrosion resistance requirements including chemical industry and marine engineering.
Good high temperature oxidation resistance: Maintains good oxidation resistance under high temperature environments, suitable for high temperature working conditions such as high temperature furnaces and heat treatment equipment.
Mechanical Properties
High strength: Tensile strength approximately 620-830 MPa, yield strength approximately 205 MPa, with high load-bearing capacity suitable for applications with high strength requirements.
Good toughness: Elongation approximately 40%, cross-sectional shrinkage approximately 50%, resistant to brittle fracture when subjected to external force or deformation, with good toughness and impact resistance.
Moderate hardness: Hardness HB ≤ 187, easy to process and manufacture.
Applications
Due to its excellent performance, UNS S32615 High Silicon Stainless Steel Plate is widely used in:
Chemical equipment (reactors, heat exchangers, pumps and valves)
Digesters and bleaching equipment in the papermaking industry
Marine engineering (seawater desalination equipment and offshore platforms)
High-temperature furnaces and heat treatment equipment
Exhaust system components in the automotive industry
Processing Performance
Good processability: Can be processed through various methods including forging, rolling, stretching, and cutting, meeting requirements for manufacturing parts of different shapes and sizes.
Excellent welding performance: Suitable for various welding processes. Welded joints maintain strength and corrosion resistance, facilitating connection and assembly of structural components.
We are a professional supplier of UNS S32615 High Silicon Stainless Steel Plate with sufficient stock available year-round. Choose from a variety of specifications with immediate shipping after purchase. Our own supply chain ensures no out-of-stock issues. Welcome to inquire and purchase online!
