Cast Stainless Steel Capillary CA15, ASTM A487

Cast Stainless Steel Capillary CA15, ASTM A487 Product Information -:- For detailed product information, please contact sales. -: Cast Stainless Steel Capillary CA15, ASTM A487 Synonyms -:- For detailed product information, please contact sales. -:

Cast Stainless Steel CA15, ASTM A487 Product Information -:- For detailed product information, please contact sales. -: ### **Product Datasheet: Cast Stainless Steel CA15, ASTM A487** #### **1. Product Overview** Cast Stainless Steel CA15 is a martensitic stainless steel conforming to ASTM A487 specification, designed for applications requiring good corrosion resistance combined with moderate strength and oxidation resistance. This chromium steel is particularly suitable for pressure-containing parts and general corrosion service where austenitic stainless steels are not required. The material offers an excellent balance of mechanical properties, corrosion resistance, and cost-effectiveness. **Key Advantages:** - **Good Corrosion Resistance:** Superior to carbon steels in corrosive environments - **Moderate High-Temperature Strength:** Suitable for elevated temperature service - **Excellent Wear Resistance:** Good resistance to abrasion and erosion - **Cost-Effective:** More economical than higher alloy stainless steels - **Heat Treatable:** Properties can be optimized through heat treatment --- #### **2. International Standard** This product conforms to the latest edition of: - **ASTM A487/A487M:** Standard Specification for Steel Castings Suitable for Pressure Service Additional applicable standards: - **UNS J91150:** Unified Numbering System designation - **ASME SA487:** ASME Boiler and Pressure Vessel Code equivalent --- #### **3. Chemical Composition (Heat Analysis, %)** The chemical composition is carefully balanced to achieve the desired martensitic structure and corrosion resistance. | 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 be adjusted within specified limits to optimize specific properties for particular applications.* --- #### **4. Mechanical Properties** Mechanical properties are typically determined in the heat-treated condition (annealed or tempered). **As-Cast Condition (Typical):** - **Tensile Strength:** 620 MPa (90 ksi) min - **Yield Strength (0.2% Offset):** 450 MPa (65 ksi) min - **Elongation:** 18% min in 2" (50 mm) - **Reduction of Area:** 35% min - **Hardness:** 241 HBW max **Heat-Treated Condition (Typical):** - **Tensile Strength:** 690-895 MPa (100-130 ksi) - **Yield Strength (0.2% Offset):** 485 MPa (70 ksi) min - **Elongation:** 15% min 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** **Annealing:** - Full anneal: Heat to 845-900°C (1550-1650°F) - Slow furnace cool at 28°C/h (50°F/h) to 600°C (1100°F) - Air cool to room temperature **Hardening:** - Austenitize at 980-1010°C (1800-1850°F) - Air cool or oil quench depending on section size - Temper immediately after hardening **Tempering:** - Temperature range: 595-760°C (1100-1400°F) - Time: 1 hour per inch of thickness minimum - Air cool after tempering --- #### **7. Corrosion Resistance** - **Atmospheric:** Good resistance to rural and urban atmospheres - **Fresh Water:** Excellent resistance to fresh water and steam - **Chemical:** Moderate resistance to mild chemicals, organic compounds, and food products - **Oxidation Resistance:** Good resistance to scaling up to 705°C (1300°F) - **Pitting Resistance:** Limited resistance to chloride-containing environments --- #### **8. Product Applications** CA15 cast stainless steel is widely used in various industrial applications requiring corrosion resistance and mechanical strength. **Primary Applications Include:** - **Valve Bodies & Components:** Gate valves, globe valves, and check valves - **Pump Casings & Impellers:** Centrifugal pumps, slurry pumps, and water pumps - **Chemical Processing Equipment:** Mixers, reactors, and processing vessels - **Oil & Gas Equipment:** Wellhead components, Christmas tree parts - **Power Generation:** Turbine components, steam fittings - **Marine Components:** Propeller hubs, rudder fittings, deck hardware --- #### **9. Fabrication & Welding Characteristics** **Machining:** - Best machined in annealed condition - Use positive rake tools with rigid setups - Recommended speeds: 25-35 m/min (80-115 SFM) - Adequate coolant required **Welding:** - **Weldability:** Fair to good (requires precautions) - Preheating: 200-300°C (400-600°F) - Post-weld heat treatment: 595-620°C (1100-1150°F) - Use matching or austenitic stainless steel filler metals - Low hydrogen processes recommended **Casting Characteristics:** - Good fluidity and castability - Moderate shrinkage allowance required - Suitable for sand casting and investment casting processes --- #### **10. Quality Assurance & Testing** - **Chemical Analysis:** Ladle and product analysis per ASTM A751 - **Mechanical Testing:** Tensile testing per ASTM A370 - **Quality Requirements:** Per ASTM A487 for pressure service - **Non-Destructive Testing:** Radiographic, magnetic particle, or liquid penetrant examination available - **Heat Treatment:** Certified heat treatment cycles with complete documentation - **Certification:** Mill test certificate with full traceability --- **Disclaimer:** This technical datasheet provides general information for reference purposes only. The properties and performance characteristics may vary based on specific heat treatment, casting processes, and service conditions. CA15 is not recommended for severe corrosive applications or environments containing chlorides. Always consult the complete ASTM standards and qualified materials engineers for critical applications, particularly for pressure-containing components. Proper heat treatment is essential to achieve the desired combination of corrosion resistance and mechanical properties. -:- For detailed product information, please contact sales. -: Cast Stainless Steel CA15, ASTM A487 Specification Dimensions Size： Diameter 20-1000 mm Length <4163 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 A487 Properties -:- For detailed product information, please contact sales. -:

Applications of Cast Stainless Steel Capillary CA15, ASTM A487 -:- For detailed product information, please contact sales. -: Chemical Identifiers Cast Stainless Steel Capillary CA15, ASTM A487 -:- For detailed product information, please contact sales. -:

Packing of Cast Stainless Steel Capillary CA15, ASTM A487 -:- 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 634 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