Cast Stainless Steel Capillary CH10, UNS J93401

Cast Stainless Steel Capillary CH10, UNS J93401 Product Information -:- For detailed product information, please contact sales. -: Cast Stainless Steel Capillary CH10, UNS J93401 Synonyms -:- For detailed product information, please contact sales. -:

Cast Stainless Steel CH10, UNS J93401 Product Information -:- For detailed product information, please contact sales. -: ### **Technical Datasheet: Cast Stainless Steel CH10 (UNS J93401)** #### **1. Product Overview** Cast Stainless Steel CH10 (UNS J93401) is a high-performance heat-resistant austenitic stainless steel specifically designed for extreme temperature applications. This alloy belongs to the 25Cr-12Ni family of heat-resistant steels and demonstrates exceptional performance in oxidizing, reducing, and carburizing atmospheres at temperatures up to 1150°C (2100°F). The material maintains excellent mechanical properties and structural stability under prolonged exposure to high temperatures, making it ideal for demanding industrial applications. **Key Advantages:** - **Exceptional High-Temperature Strength:** Maintains mechanical integrity under sustained high-temperature operation - **Superior Oxidation Resistance:** Outstanding scaling resistance in various atmospheric conditions - **Excellent Creep Resistance:** Superior performance under continuous load at elevated temperatures - **Thermal Fatigue Resistance:** Withstands severe thermal cycling and thermal shock conditions - **Microstructural Stability:** Resists embrittlement and phase transformation during long-term service --- #### **2. International Standard** This product conforms to the following international standards: - **UNS J93401:** Unified Numbering System designation - **ASTM A297/A297M:** Standard Specification for Steel Castings, Iron-Chromium, Iron-Chromium-Nickel, Heat-Resistant - **ACI HH Grade:** Alloy Casting Institute specification - **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 controlled to ensure optimal 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 high chromium content provides superior oxidation resistance, while nickel ensures austenitic stability and high-temperature strength.* --- #### **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: 85-100 MPa (12-14.5 ksi) - **At 980°C (1800°F):** Tensile Strength: 65-80 MPa (9.4-11.6 ksi) - **Creep Strength:** Excellent performance up to 1150°C (2100°F) - **Stress Rupture:** Maintains structural 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 homogeneous austenitic structure **Stabilization Treatment:** - **Temperature:** 870-925°C (1600-1700°F) - **Soak Time:** 2-4 hours - **Purpose:** To enhance dimensional stability and stress relief --- #### **7. High-Temperature Performance** UNS J93401 demonstrates exceptional performance in severe 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:** Outstanding resistance to thermal cycling and shock - **Creep Rupture:** Superior long-term performance under stress - **Structural Stability:** Resists sigma phase formation and embrittlement --- #### **8. Product Applications** UNS J93401 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 - Carburizing and nitriding equipment **Petrochemical Industry:** - Reform furnace components - Pyrolysis furnace tubes - Catalytic reactor parts - High-temperature transfer lines - Heater tube supports **Power Generation:** - Boiler components and supports - Heat exchanger parts - Burner nozzles and components - High-temperature ducting systems **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 per ASTM G54 - Thermal fatigue evaluation - **Non-Destructive Testing:** - Radiographic examination per ASTM E94 - Liquid penetrant testing per ASTM E165 - 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. UNS J93401 (CH10) stainless steel is specifically designed for severe high-temperature applications and requires careful consideration of service conditions. The information contained herein is based on typical industry data and should be verified for specific applications. Always consult relevant standards and work with qualified materials engineers for critical high-temperature applications. Performance characteristics may vary based on specific manufacturing processes, heat treatment parameters, and service conditions. Proper design considerations for thermal expansion, creep behavior, and atmospheric compatibility are essential for successful long-term performance. -:- For detailed product information, please contact sales. -: Cast Stainless Steel CH10, UNS J93401 Specification Dimensions Size： Diameter 20-1000 mm Length <4198 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, UNS J93401 Properties -:- For detailed product information, please contact sales. -:

Applications of Cast Stainless Steel Capillary CH10, UNS J93401 -:- For detailed product information, please contact sales. -: Chemical Identifiers Cast Stainless Steel Capillary CH10, UNS J93401 -:- For detailed product information, please contact sales. -:

Packing of Cast Stainless Steel Capillary CH10, UNS J93401 -:- 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 Capillary 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 669 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