Cast Stainless Steel Rod/Bar CH10, ACI

Cast Stainless Steel Rod CH10, ACI Product Information -:- For detailed product information, please contact sales. -: Cast Stainless Steel Rod CH10, ACI Synonyms -:- For detailed product information, please contact sales. -:

Cast Stainless Steel CH10, ACI Product Information -:- For detailed product information, please contact sales. -: ### **Technical Datasheet: Cast Stainless Steel CH10 (ACI)** #### **1. Product Overview** Cast Stainless Steel CH10 under ACI (Alloy Casting Institute) specification is a high-performance heat-resistant austenitic stainless steel specifically engineered for severe high-temperature applications. This alloy belongs to the 25Cr-12Ni class of heat-resistant steels and demonstrates exceptional performance in oxidizing, reducing, and carburizing atmospheres at temperatures up to 1150°C (2100°F). CH10 is characterized by its excellent high-temperature strength, outstanding oxidation resistance, and superior thermal fatigue properties. **Key Advantages:** - **Exceptional High-Temperature Stability:** Maintains mechanical properties under prolonged exposure to extreme temperatures - **Superior Oxidation Resistance:** Excellent scaling resistance in both oxidizing and reducing atmospheres - **Outstanding Creep Strength:** Superior resistance to deformation under sustained load at high temperatures - **Excellent Thermal Fatigue Resistance:** Withstands severe thermal cycling conditions - **Good Structural Stability:** Resists embrittlement and microstructural degradation --- #### **2. International Standard** This product conforms to the following international standards: - **ACI Standard:** Alloy Casting Institute specification for CH10 - **ASTM A297/A297M:** Standard Specification for Steel Castings, Iron-Chromium, Iron-Chromium-Nickel, Heat-Resistant, for General Application - **UNS J93090:** Unified Numbering System designation - **ASME SA297:** ASME Boiler and Pressure Vessel Code equivalent - **ISO 11972:** Corrosion-resistant cast steels for general applications --- #### **3. Chemical Composition (Heat Analysis, %)** The chemical composition is precisely balanced to optimize high-temperature performance. | Element | Composition (%) | |---------|-----------------| | Carbon (C) | 0.06-0.14 | | Manganese (Mn) | 2.00 max | | Silicon (Si) | 0.75-1.50 | | Phosphorus (P), max | 0.04 | | Sulfur (S), max | 0.04 | | Chromium (Cr) | 22.0-26.0 | | Nickel (Ni) | 12.0-15.0 | | Iron (Fe) | Balance | *Note: The balanced chromium and nickel content ensures optimal high-temperature strength and oxidation resistance while maintaining austenitic structure stability.* --- #### **4. Mechanical Properties** Mechanical properties are guaranteed in the heat-treated condition. **Minimum Required Values (Solution Annealed Condition):** - **Tensile Strength:** 485 MPa (70 ksi) min - **Yield Strength (0.2% Offset):** 205 MPa (30 ksi) min - **Elongation in 2" (50 mm):** 25.0% min **Elevated Temperature Properties (Typical):** - **At 870°C (1600°F):** Tensile Strength: 85 MPa (12 ksi) - **At 980°C (1800°F):** Tensile Strength: 65 MPa (9.4 ksi) - **Creep Strength:** Excellent up to 1150°C (2100°F) - **Stress Rupture:** Maintains integrity under sustained loading --- #### **5. Physical Properties (Typical Values)** - **Density:** 7.90 g/cm³ (0.285 lb/in³) - **Modulus of Elasticity:** 195 GPa (28,300 ksi) at 21°C - **Poisson's Ratio:** 0.28 - **Thermal Conductivity:** 14.5 W/m·K (at 100°C) - **Specific Heat Capacity:** 500 J/kg·K (at 0-100°C) - **Coefficient of Thermal Expansion:** 16.0 × 10⁻⁶/°C (20-100°C) - **Electrical Resistivity:** 0.85 μΩ·m - **Magnetic Permeability:** Essentially non-magnetic --- #### **6. Heat Treatment** **Solution Annealing Treatment:** - **Temperature Range:** 1120-1170°C (2050-2140°F) - **Soak Time:** 1-2 hours per inch of thickness - **Cooling Method:** Rapid water quench or air cool - **Objective:** To achieve complete solutionizing and carbide dissolution **Stabilization Treatment (Optional):** - **Temperature:** 870-925°C (1600-1700°F) - **Purpose:** To stabilize microstructure for long-term high-temperature service --- #### **7. High-Temperature Performance** CH10 demonstrates exceptional performance in demanding high-temperature environments: - **Oxidation Resistance:** Excellent scaling resistance up to 1150°C (2100°F) - **Carburization Resistance:** Good performance in carburizing atmospheres - **Sulfidation Resistance:** Moderate resistance to sulfur-containing environments - **Thermal Fatigue:** Excellent resistance to thermal cycling and shock - **Creep Rupture:** Superior long-term performance under stress - **Microstructural Stability:** Resists sigma phase formation and embrittlement --- #### **8. Product Applications** CH10 cast stainless steel is extensively used in severe high-temperature applications: **Heat Treatment Industry:** - Radiant tubes and retorts - Furnace rolls and rollers - Heat treatment fixtures and baskets - Annealing covers and muffles **Petrochemical Industry:** - Reform furnace components - Pyrolysis furnace tubes - Catalytic reactor parts - High-temperature transfer lines **Power Generation:** - Boiler components - Heat exchanger parts - Burner nozzles - High-temperature ducting **Other Applications:** - Ceramic kiln furniture - Glass manufacturing equipment - Incinerator components - Aerospace heat treatment fixtures --- #### **9. Fabrication & Welding Characteristics** **Casting Characteristics:** - Good castability with proper foundry techniques - Pattern shrinkage: 25-30 mm/m - Requires adequate feeding system design - Suitable for complex high-temperature components **Machining:** - Moderate machinability in annealed condition - Work hardens during machining operations - Use carbide tools with positive rake geometry - Recommended cutting speeds: 15-25 m/min (50-80 SFM) **Welding:** - **Weldability:** Good with proper procedures - **Preheating:** 150-200°C (300-400°F) recommended - **Interpass Temperature:** 200-250°C (400-480°F) - **Filler Metals:** ENiCrFe-3 or equivalent nickel-base alloys - **Post-weld Heat Treatment:** Stress relief annealing recommended --- #### **10. Quality Assurance & Testing** - **Chemical Analysis:** Complete chemical composition verification - **Mechanical Testing:** Comprehensive mechanical property testing - **High-Temperature Testing:** - Creep and stress rupture testing - Oxidation resistance testing - Thermal fatigue evaluation - **Non-Destructive Testing:** - Radiographic examination - Liquid penetrant testing - Dimensional verification - **Metallurgical Analysis:** - Microstructure evaluation - Grain size determination - **Certification:** Full material traceability with comprehensive test reports --- **Disclaimer:** This technical datasheet provides general information for reference purposes only. CH10 stainless steel under ACI specification is specifically designed for severe high-temperature applications and requires careful consideration of service conditions, including temperature profiles, atmospheric composition, mechanical stresses, and thermal cycling patterns. Always consult relevant standards and work with qualified materials engineers for critical high-temperature applications. The material's performance is highly dependent on specific operating conditions, and proper design considerations for thermal expansion, creep behavior, and atmospheric compatibility are essential for successful long-term performance in demanding high-temperature service environments. -:- For detailed product information, please contact sales. -: Cast Stainless Steel CH10, ACI Specification Dimensions Size： Diameter 20-1000 mm Length <4197 mm Size:We can customized as required Standard： Per your request or drawing We can customized as required Properties（Theoretical） Chemical Composition -:- For detailed product information, please contact sales. -: Cast Stainless Steel CH10, ACI Properties -:- For detailed product information, please contact sales. -:

Applications of Cast Stainless Steel Rod CH10, ACI -:- For detailed product information, please contact sales. -: Chemical Identifiers Cast Stainless Steel Rod CH10, ACI -:- For detailed product information, please contact sales. -:

Packing of Cast Stainless Steel Rod CH10, ACI -:- For detailed product information, please contact sales. -: Standard Packing: -:- For detailed product information, please contact sales. -: Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and Steel Rod drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Solutions are packaged in polypropylene, plastic or glass jars up to palletized 668 gallon liquid totes Special package is available on request. E FORUs’ is carefully handled to minimize damage during storage and transportation and to preserve the quality of our products in their original condition