Cast Stainless Steel Wire CA15, ASTM A743

Cast Stainless Steel Wire CA15, ASTM A743 Product Information -:- For detailed product information, please contact sales. -: Cast Stainless Steel Wire CA15, ASTM A743 Synonyms -:- For detailed product information, please contact sales. -:

Cast Stainless Steel CA15, ASTM A743 Product Information -:- For detailed product information, please contact sales. -: ### **Product Datasheet: Cast Stainless Steel CA15, ASTM A743** #### **1. Product Overview** Cast Stainless Steel CA15 conforming to ASTM A743 is a martensitic chromium stainless steel specifically designed for corrosion-resistant applications. This grade offers an optimal balance of corrosion resistance, mechanical properties, and cost-effectiveness, making it suitable for various corrosive environments where austenitic stainless steels are not required. The material exhibits good resistance to atmospheric corrosion, mild chemicals, and oxidation at elevated temperatures. **Key Advantages:** - **Good Corrosion Resistance:** Superior performance in mildly corrosive environments compared to carbon steels - **High Strength Capability:** Can be heat treated to achieve desirable mechanical properties - **Oxidation Resistance:** Suitable for service up to 760°C (1400°F) - **Cost-Effective Solution:** More economical than higher alloy stainless steels - **Good Castability:** Exhibits excellent foundry characteristics for complex geometries --- #### **2. International Standard** This product conforms to the latest edition of: - **ASTM A743/A743M:** Standard Specification for Castings, Iron-Chromium, Iron-Chromium-Nickel, and Nickel-Base Corrosion-Resistant Alloys for General Application Additional applicable standards: - **UNS J91150:** Unified Numbering System designation - **ASME SA743:** 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 carefully controlled to ensure consistent corrosion resistance and mechanical properties. | Element | Composition (%) | |---------|-----------------| | Carbon (C) | 0.15 max | | Manganese (Mn) | 1.00 max | | Silicon (Si) | 1.50 max | | Phosphorus (P), max | 0.04 | | Sulfur (S), max | 0.04 | | Chromium (Cr) | 11.5-14.0 | | Nickel (Ni) | 1.00 max | | Molybdenum (Mo) | 0.50 max | *Note: The composition may include residual elements within specified limits to enhance specific properties.* --- #### **4. Mechanical Properties** Mechanical properties are typically determined in the heat-treated condition as required by ASTM A743. **As-Cast Condition (Minimum Values):** - **Tensile Strength:** 620 MPa (90 ksi) - **Yield Strength (0.2% Offset):** 450 MPa (65 ksi) - **Elongation:** 18% in 2" (50 mm) - **Reduction of Area:** 35% **Heat-Treated Condition (Typical):** - **Tensile Strength:** 690-895 MPa (100-130 ksi) - **Yield Strength (0.2% Offset):** 485-690 MPa (70-100 ksi) - **Elongation:** 15-20% in 2" (50 mm) - **Hardness:** 121-212 HBW (annealed) --- #### **5. Physical Properties (Typical Values)** - **Density:** 7.70 g/cm³ (0.278 lb/in³) - **Modulus of Elasticity:** 200 GPa (29,000 ksi) - **Poisson's Ratio:** 0.27-0.30 - **Thermal Conductivity:** 24.9 W/m·K (at 100°C) - **Specific Heat Capacity:** 460 J/kg·K (at 0-100°C) - **Coefficient of Thermal Expansion:** 10.3 × 10⁻⁶/°C (20-100°C) - **Magnetic Permeability:** Magnetic in all conditions --- #### **6. Heat Treatment** **Standard Heat Treatment Options:** **Annealing:** - Process: Heat to 815-900°C (1500-1650°F) - Soak: 1-2 hours per inch of thickness - Cooling: Furnace cool to 480°C (900°F), then air cool **Hardening & Tempering:** - Austenitizing: 955-1010°C (1750-1850°F) - Quenching: Air cool or oil quench - Tempering: 595-760°C (1100-1400°F) for stress relief and toughness --- #### **7. Corrosion Resistance** - **Atmospheric:** Excellent resistance to rural, urban, and industrial atmospheres - **Fresh Water:** Good resistance to fresh water, steam, and condensate - **Chemical:** Moderate resistance to organic acids, alkalis, and salt solutions - **Oxidation Resistance:** Good scaling resistance up to 815°C (1500°F) - **Limitations:** Not recommended for hydrochloric acid or severe chloride environments --- #### **8. Product Applications** CA15 cast stainless steel finds extensive use in various industries requiring corrosion resistance and mechanical integrity. **Primary Applications Include:** - **Chemical Processing Equipment:** Pumps, valves, and mixer components - **Oil and Gas Industry:** Wellhead components, Christmas tree parts, flow control equipment - **Power Generation:** Turbine blades, pump casings, and steam fittings - **Water Treatment:** Impellers, pump components, and valve bodies - **Pulp and Paper Industry:** Digester components and processing equipment - **Marine Applications:** Pump parts, propeller hubs, and deck fittings --- #### **9. Fabrication & Welding Characteristics** **Casting Characteristics:** - Good fluidity and mold filling capability - Moderate pattern shrinkage allowance: 20-25 mm/m - Suitable for all standard casting processes **Machining:** - Best performed in annealed condition - Use positive rake tools with carbide inserts - Recommended cutting speeds: 20-30 m/min (65-100 SFM) - Adequate cooling and lubrication required **Welding:** - **Weldability:** Fair (requires proper procedures) - Preheating: 200-300°C (400-600°F) - Post-weld heat treatment: 595-620°C (1100-1150°F) - Recommended electrodes: E410 or E410NiMo --- #### **10. Quality Assurance & Testing** - **Chemical Analysis:** Per ASTM A751 requirements - **Mechanical Testing:** Tensile tests per ASTM A370 - **Non-Destructive Testing:** Radiographic, magnetic particle, or liquid penetrant examination available - **Heat Treatment Certification:** Complete documentation of thermal cycles - **Quality Grades:** Available in different quality levels as specified in ASTM A743 - **Certification:** Full traceability with mill test certificates --- **Disclaimer:** This technical datasheet provides general information for reference purposes only. The properties and performance characteristics may vary based on specific heat treatment, casting parameters, and service conditions. CA15 is not recommended for severe corrosive applications or environments containing high chloride concentrations. Always consult the complete ASTM A743 standard and qualified materials engineers for critical applications. Proper heat treatment and quality control are essential to achieve the desired corrosion resistance and mechanical properties. -:- For detailed product information, please contact sales. -: Cast Stainless Steel CA15, ASTM A743 Specification Dimensions Size： Diameter 20-1000 mm Length <4164 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 CA15, ASTM A743 Properties -:- For detailed product information, please contact sales. -:

Applications of Cast Stainless Steel Wire CA15, ASTM A743 -:- For detailed product information, please contact sales. -: Chemical Identifiers Cast Stainless Steel Wire CA15, ASTM A743 -:- For detailed product information, please contact sales. -:

Packing of Cast Stainless Steel Wire CA15, ASTM A743 -:- 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 635 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