- Overview
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Excellent corrosion resistance in acidic, alkaline, and saline environments
High-pressure containment capability for ASME Class 150 through 2500 ratings
Reliable performance in temperature ranges from cryogenic to 800°F (427°C)
Long service life with minimal maintenance requirements
Oil & Gas: Pipeline connections, wellhead equipment, and refinery process lines
Chemical & Petrochemical: Reactors, pressure vessels, and corrosive fluid transfer systems
Power Generation: Steam turbines, boiler feed systems, and high-temperature piping
Water Treatment: Seawater desalination plants and chemical dosing systems
Pharmaceutical & Food Processing: Sanitary tubing systems requiring high purity and cleanability
In demanding industrial piping systems, the integrity of connections is non-negotiable. Our Stainless Steel Flange Premium Casting Services deliver components that meet the highest standards of corrosion resistance, structural strength, and dimensional precision. Engineered for critical applications across various industries, these flanges provide reliable, long-lasting performance in the most challenging environments, from high-pressure steam lines to corrosive chemical processing.
Premium Material for Superior Performance
We utilize high-grade stainless steel alloys, primarily ASTM A351 CF8 (304 stainless) and CF8M (316 stainless), chosen for their exceptional properties. CF8M, with its added molybdenum, offers enhanced resistance to pitting and crevice corrosion in chloride-bearing environments. These materials provide excellent tensile and yield strength across a wide temperature range, good impact toughness at low temperatures, and outstanding resistance to oxidation and scaling at elevated temperatures. This ensures the flanges maintain their structural integrity and sealing capability under thermal cycling, pressure fluctuations, and corrosive media.
Advanced Casting and Precision Machining Process
Our manufacturing employs the ceramic shell process (investment casting) to produce flanges with superior surface finish and dimensional accuracy. This method allows for the creation of complex geometries, including integrally cast hubs and special facing requirements, with minimal material waste. The process begins with wax pattern injection, followed by ceramic slurry coating, stuccoing, and dewaxing. The resulting mold is then poured with molten stainless steel under controlled conditions. Post-casting, each flange undergoes solution annealing heat treatment to restore corrosion resistance and optimize the austenitic microstructure. Critical sealing surfaces, bolt holes, and mating dimensions are then precision-machined on CNC equipment to achieve exacting tolerances per ASME B16.5, API 6A, or other relevant standards, ensuring perfect alignment and leak-free service.
Robust Performance and Diverse Applications
Flanges produced through our premium service exhibit:
These components are essential in:
Our technical support team assists in material selection and design optimization to ensure each flange meets specific application requirements for pressure, temperature, and media compatibility. With rigorous quality control including liquid penetrant testing, radiographic examination, and material certification, we guarantee that every stainless steel flange delivers the performance and reliability that modern industrial operations demand.
Our Services |
CNC Precision Milling Machining,CNC Precision Turning Machining, Rapid Prototyping Plastic Injection Mould Metal Stamping, Die Casting, Silicone And Rubber Mould, Aluminum Extrusion, Mould Fabrication,etc |
Material |
Aluminum Alloy:5052/6061/6063/7075 etc Brass Alloy: 3602/2604/h59/h62/etc Stainless Steel Alloy: 303/304/316/412/etc Steel Alloy: Carbon/Die Steel/etc Other Special Materials: Lucite/Nylon/Bakelite/etc Plastic, Wood, Silicone, Rubber,Or as per the customers’ requirements |
Surface Treatment |
Anodizing, Sandblasting, Painting, Powder coating, Electroplating, Silk Printing, Brushing, Polishing, Laser Engraving... |
Drawing Format |
X_T/jpg/pdf/dxf/dwg/igs/stp/step/stl,etc |
Service Project |
To provide project design, production and technical service, mould development and fabrication, etc |
Testing Machine |
Digital Height Gauge, caliper, Three Coordinate measuring machine, projection machine, roughness tester, hardness tester and so on |
Quality Assurance |
ISO9001:2015 Certified TUV |
Packing |
Foam, Carton, Wooden boxes, or as per the customer’s requirements |
Deliver |
DHL, FEDEX, UPS, TNT, EMS, SF Or according to customers′ requirement |







