Cast Stainless Steel Wire CH10, ASTM A351

Cast Stainless Steel Wire CH10, ASTM A351 Product Information -:- For detailed product information, please contact sales. -: Cast Stainless Steel Wire CH10, ASTM A351 Synonyms -:- For detailed product information, please contact sales. -:

Cast Stainless Steel CH10, ASTM A351 Product Information -:- For detailed product information, please contact sales. -: ### **Technical Datasheet: Cast Stainless Steel CH10 (ASTM A351)** #### **1. Product Overview** Cast Stainless Steel CH10 under ASTM A351 specification is a high-chromium, high-nickel austenitic stainless steel designed for elevated temperature service. This heat-resistant casting alloy offers excellent strength and oxidation resistance at high temperatures, making it particularly suitable for applications involving thermal cycling and severe operating conditions. CH10 maintains its mechanical properties and resists scaling in oxidizing atmospheres at temperatures up to 1150°C (2100°F). **Key Advantages:** - **Excellent High-Temperature Strength:** Maintains mechanical properties at elevated temperatures - **Superior Oxidation Resistance:** Excellent scaling resistance in oxidizing atmospheres - **Good Thermal Fatigue Resistance:** Withstands repeated thermal cycling - **Microstructural Stability:** Resists sigma phase formation and embrittlement - **Good Corrosion Resistance:** Suitable for various corrosive environments --- #### **2. International Standard** This product conforms to the latest edition of: - **ASTM A351/A351M:** Standard Specification for Castings, Austenitic, Austenitic-Ferritic (Duplex), for Pressure-Containing Parts Additional applicable standards: - **UNS J93090:** Unified Numbering System designation - **ASME SA351:** ASME Boiler and Pressure Vessel Code equivalent - **ASTM A297/A297M:** Standard Specification for Steel Castings, Iron-Chromium, Iron-Chromium-Nickel, Heat-Resistant - **EN 10295:** Heat-resistant cast steels --- #### **3. Chemical Composition (Heat Analysis, %)** The chemical composition is optimized for 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 | | Nitrogen (N) | 0.10-0.20 | *Note: The high chromium and nickel content provides excellent oxidation resistance and high-temperature strength.* --- #### **4. Mechanical Properties** Mechanical properties are determined in the heat-treated condition. **Minimum Required Values (Heat-Treated 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 980°C/1800°F):** - **Tensile Strength:** 65 MPa (9.4 ksi) - **Creep Strength:** Excellent long-term performance - **Stress Rupture:** Good resistance to deformation under load --- #### **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 - **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 solutionized austenitic structure **Stress Relieving (Optional):** - **Temperature:** 870-925°C (1600-1700°F) - **Purpose:** To relieve casting and welding stresses --- #### **7. High-Temperature Performance** CH10 offers exceptional performance in high-temperature applications: - **Oxidation Resistance:** Excellent resistance to scaling up to 1150°C (2100°F) - **Creep Strength:** Good resistance to deformation under prolonged stress - **Thermal Fatigue:** Excellent resistance to thermal cycling - **Carburization Resistance:** Good performance in carburizing atmospheres - **Sulfidation Resistance:** Moderate resistance to sulfur-containing atmospheres --- #### **8. Product Applications** CH10 cast stainless steel is primarily used in high-temperature applications: **Heat Treatment Industry:** - Furnace radiant tubes and retorts - Heat treatment fixtures and baskets - Annealing covers and inner covers - Carburizing and nitriding equipment **Power Generation:** - Boiler components - Heat exchanger parts - Turbine components - Burner nozzles and parts **Petrochemical Industry:** - Reform furnace tubes - Pyrolysis furnace components - Catalytic reactor parts - High-temperature piping **Other Applications:** - Ceramic kiln furniture - Glass manufacturing equipment - Incinerator components - Aerospace components --- #### **9. Fabrication & Welding Characteristics** **Casting Characteristics:** - Good castability with proper foundry practices - Pattern shrinkage: 25-30 mm/m - Requires careful gating and risering - Suitable for complex high-temperature components **Machining:** - Moderate machinability in annealed condition - Use carbide tools with positive rake angles - Recommended cutting speeds: 15-25 m/min (50-80 SFM) - Adequate cooling required **Welding:** - **Weldability:** Good with proper procedures - **Preheating:** 150-200°C (300-400°F) - **Interpass Temperature:** 200-250°C (400-480°F) - **Filler Metals:** ENiCrFe-3 or equivalent nickel-base alloys - **Post-weld Heat Treatment:** Recommended for stress relief --- #### **10. Quality Assurance & Testing** - **Chemical Analysis:** Per ASTM A751 requirements - **Mechanical Testing:** Tensile tests per ASTM A370 - **Hardness Testing:** Multiple location verification - **Non-Destructive Testing:** - Radiographic examination per ASTM E94 - Liquid penetrant examination per ASTM E165 - **High-Temperature Testing:** - Oxidation testing per ASTM G54 - Creep and rupture testing available - **Certification:** Full traceability with comprehensive mill test certificates --- **Disclaimer:** This technical datasheet provides general information for reference purposes only. CH10 stainless steel under ASTM A351 is designed for high-temperature applications and requires careful consideration of service conditions, including temperature, atmosphere, and mechanical stresses. Always consult the complete ASTM A351 standard and work with qualified materials engineers for critical high-temperature applications. The material's performance may be affected by specific operating conditions, and proper design considerations for thermal expansion and creep are essential for successful long-term performance. -:- For detailed product information, please contact sales. -: Cast Stainless Steel CH10, ASTM A351 Specification Dimensions Size： Diameter 20-1000 mm Length <4195 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, ASTM A351 Properties -:- For detailed product information, please contact sales. -:

Applications of Cast Stainless Steel Wire CH10, ASTM A351 -:- For detailed product information, please contact sales. -: Chemical Identifiers Cast Stainless Steel Wire CH10, ASTM A351 -:- For detailed product information, please contact sales. -:

Packing of Cast Stainless Steel Wire CH10, ASTM A351 -:- 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 Wire 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 666 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