Sanicro (28/35)
Sanicro 28/35(UNS N08028/UNS N06035)
At Emirerri Steel, we are proud to offer a comprehensive range of Sanicro stainless steel alloy 28/35, renowned for their exceptional corrosion resistance, high performance, and durability. Our Sanicro products are designed to meet the stringent demands of various industries, ensuring reliability and longevity in the most challenging environments.
Our Products
Sanicro 28/35 Sheet & Plate
Sanicro 28/35 Pipe
Sanicro 28/35 Pipe Fittings & Flanges
Sanicro 28/35 Tube
Common Applications of Sanicro Alloys:
- Power Generation: Used in steam generators, turbines, and other components in power plants, especially in combined cycle and coal-fired plants.
- Chemical Processing: Ideal for equipment exposed to aggressive chemicals and high temperatures, such as reactors, heat exchangers, and piping systems.
- Oil and Gas Industry: Employed in various parts of oil and gas extraction and refining processes, including equipment subjected to high pressures and corrosive substances.
- Aerospace: Utilized in components requiring high strength and resistance to high temperatures and corrosion.
- Marine: Applied in marine environments where resistance to seawater and other corrosive agents is crucial.
Sanicro 28
Sanicro 28, also referred to as Alloy 28, is a high-alloyed stainless steel known for its superior corrosion resistance, particularly in harsh environments.
Corrosion Resistance
- Resistance to Chloride Stress Corrosion Cracking (SCC): Sanicro 28 is highly resistant to SCC, making it suitable for use in chloride-rich environments.
- Pitting and Crevice Corrosion Resistance: The alloy’s high chromium content provides robust resistance to pitting and crevice corrosion, which is crucial in seawater and chemical processing applications.
- General Corrosion Resistance: Sanicro 28 performs well in acidic environments, including sulfuric and phosphoric acids, due to its alloying elements that enhance its resistance to general corrosion.
- High Temperature Stability: The alloy maintains its corrosion resistance at elevated temperatures, making it suitable for high-temperature applications where other materials might degrade.
- Resistance to Oxidizing Acids: It is also resistant to oxidizing acids like nitric acid, which further extends its usability in diverse industrial processes.
Material Specification
Sanicro 28 Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | ≤ 0.02 |
| Silicon (Si) | ≤ 0.75 |
| Manganese (Mn) | ≤ 2.0 |
| Phosphorus (P) | ≤ 0.030 |
| Sulfur (S) | ≤ 0.015 |
| Chromium (Cr) | 27.0 – 29.0 |
| Nickel (Ni) | 30.0 – 34.0 |
| Molybdenum (Mo) | 3.0 – 4.0 |
| Copper (Cu) | 0.60 – 1.40 |
| Nitrogen (N) | ≤ 0.10 |
| Iron (Fe) | Balance |
Sanicro 28 Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength (Rm) | 600 – 750 MPa |
| Yield Strength (Rp0.2) | ≥ 270 MPa |
| Elongation (A5) | ≥ 40% |
| Modulus of Elasticity (20°C) | 195 GPa |
| Hardness (Brinell) | ≤ 210 HB |
| Impact Strength (Charpy V-notch) | ≥ 150 J at 20°C |
| Density | 8.0 g/cm³ |
| Thermal Conductivity (20°C) | 11 W/m·K |
| Specific Heat Capacity (20°C) | 500 J/kg·K |
Sanicro 28 Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | ≤ 0.020 |
| Silicon (Si) | ≤ 0.70 |
| Manganese (Mn) | ≤ 2.00 |
| Phosphorus (P) | ≤ 0.030 |
| Sulfur (S) | ≤ 0.015 |
| Chromium (Cr) | 27.0 – 28.0 |
| Nickel (Ni) | 30.0 – 34.0 |
| Molybdenum (Mo) | 3.0 – 4.0 |
| Copper (Cu) | 0.50 – 1.40 |
| Nitrogen (N) | ≤ 0.10 |
| Iron (Fe) | Balance |
Sanicro 35
Sanicro 35 is a high-performance stainless steel alloy developed by Sandvik. It combines the benefits of both austenitic and ferritic steels, offering exceptional resistance to corrosion, including pitting, crevice corrosion, and stress corrosion cracking, particularly in harsh environments. This material is often used in applications such as heat exchangers, oil and gas industry equipment, and in the chemical processing industry.
Corrosion Resistance
Resistance to Chloride-Induced Stress Corrosion Cracking (SCC): Sanicro 35 is highly resistant to SCC in environments with high chloride concentrations, making it suitable for use in seawater and chemical processing applications.
Excellent Pitting and Crevice Corrosion Resistance: The alloy’s composition helps prevent pitting and crevice corrosion, ensuring reliability in aggressive environments.
Strong Resistance to General Corrosion: Sanicro 35 performs well in various acidic environments, including sulfuric, phosphoric, and hydrochloric acids, due to its alloying elements that offer robust general corrosion resistance.
Oxidation and High-Temperature Resistance: The alloy maintains its corrosion resistance at elevated temperatures, providing durability in high-temperature applications.
Resistance to Oxidizing Acids: Sanicro 35 exhibits good resistance to oxidizing acids, further expanding its usability in industrial processes that involve such substances.
Material Specification
Sanicro 35 Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | ≤ 0.020 |
| Silicon (Si) | ≤ 0.70 |
| Manganese (Mn) | ≤ 2.00 |
| Phosphorus (P) | ≤ 0.030 |
| Sulfur (S) | ≤ 0.015 |
| Chromium (Cr) | 27.0 – 28.0 |
| Nickel (Ni) | 30.0 – 34.0 |
| Molybdenum (Mo) | 3.0 – 4.0 |
| Copper (Cu) | 0.50 – 1.40 |
| Nitrogen (N) | ≤ 0.10 |
| Iron (Fe) | Balance |
Sanicro 35 Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength (Rm) | 700 – 850 MPa |
| Yield Strength (Rp0.2) | ≥ 350 MPa |
| Elongation (A5) | ≥ 35% |
| Modulus of Elasticity (at 20°C) | 195 GPa |
| Hardness (Brinell) | ≤ 220 HB |
| Density | 8.0 g/cm³ |
| Thermal Conductivity (at 20°C) | 11 W/m·K |
| Specific Heat Capacity (at 20°C) | 500 J/kg·K |
| Impact Toughness (Charpy V-notch) | ≥ 150 J at room temperature |
| Poisson’s Ratio | 0.30 |
Sanicro 28 Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | ≤ 0.020 |
| Silicon (Si) | ≤ 0.70 |
| Manganese (Mn) | ≤ 2.00 |
| Phosphorus (P) | ≤ 0.030 |
| Sulfur (S) | ≤ 0.015 |
| Chromium (Cr) | 27.0 – 28.0 |
| Nickel (Ni) | 30.0 – 34.0 |
| Molybdenum (Mo) | 3.0 – 4.0 |
| Copper (Cu) | 0.50 – 1.40 |
| Nitrogen (N) | ≤ 0.10 |
| Iron (Fe) | Balance |