ASTM A803 / A803M Welded Ferritic Stainless Steel Tubes are high-performance ferritic stainless steel tubes designed for feedwater heater and heat exchanger applications requiring excellent corrosion resistance, oxidation resistance, thermal stability, and reliable mechanical performance. These tubes are widely used in power generation plants, heat exchangers, condensers, petrochemical industries, and industrial process equipment where long-term performance under demanding operating conditions is essential. Manufactured in accordance with ASTM A803 / A803M, this specification covers welded ferritic stainless steel tubes intended for feedwater heater applications. The standard ensures controlled chemical composition, mechanical properties, dimensional tolerances, weld quality, and reliable performance in high-temperature and corrosive environments. Ladhani Metal Corporation is a trusted manufacturer, supplier, and exporter of ASTM A803 / A803M Welded Ferritic Stainless Steel Tubes, supplied with mill test certificates and strict quality inspection as per international standards. Forms of Supply (as per specification): Welded ferritic stainless steel tubes, Feedwater heater tubes, Heat exchanger tubes, Condenser tubes, Boiler tubes, Round tubes, Precision tubes, Industrial tubes, Bright annealed tubes, Pickled tubes, Custom fabricated tubes Available Grades (as per ASTM A803 / A803M): TP409, TP439, TP XM-27, TP XM-33, 25-4-4, 26-3-3, 29-4, 29-4-2, 18-2, 29-4C Scope of Specification: • Covers welded ferritic stainless steel tubes for feedwater heater applications • Suitable for heat exchangers, condensers, and power generation equipment • Provides excellent corrosion resistance and oxidation resistance • Offers good thermal conductivity and dimensional stability • Designed for high-temperature and corrosive service environments Typical Chemical Composition (TP439 Grade Example): • Carbon (C): Max 0.03% • Chromium (Cr): 17.00 – 19.00% • Nickel (Ni): Max 0.50% • Manganese (Mn): Max 1.00% • Silicon (Si): Max 1.00% • Titanium (Ti): Stabilized grade addition • Phosphorus (P): Max 0.040% • Sulphur (S): Max 0.030% Mechanical Properties (TP439 Grade Example): • Tensile Strength: Min 415 MPa • Yield Strength: Min 205 MPa • Elongation: Min 20% • Excellent resistance to stress corrosion cracking • Suitable for welding and heat exchanger fabrication applications Key Features: • Excellent corrosion and oxidation resistance • Superior resistance to chloride stress corrosion cracking • Good thermal performance • Excellent weldability and fabrication characteristics • Long service life in heat exchanger applications Material Characteristics: ASTM A803 / A803M ferritic stainless steel tubes provide an excellent combination of corrosion resistance, thermal stability, strength, and weldability. The ferritic stainless steel composition offers reliable performance in high-temperature water environments, making these tubes suitable for critical feedwater heater and heat exchanger applications. Applications: • Power plant feedwater heaters • Heat exchangers • Surface condensers • Boiler systems • Petrochemical processing equipment • Industrial cooling systems • Energy generation facilities Conclusion: Ladhani Metal Corporation supplies high-quality ASTM A803 / A803M Welded Ferritic Stainless Steel Tubes in TP409, TP439, TP XM-27, TP XM-33, 25-4-4, 26-3-3, 29-4, 29-4-2, 18-2, and 29-4C grades with various diameters, wall thicknesses, finishes, and customized specifications. With excellent corrosion resistance, oxidation resistance, weldability, and mechanical performance, these tubes are widely used in power generation, heat exchanger, condenser, and industrial processing applications. For stock availability, customized specifications, or technical details, contact Ladhani Metal Corporation. #ASTMA803 #ASTMA803M #ASTMA803Tubes #ASTMA803MWeldedTubes #WeldedFerriticStainlessSteelTubes #FerriticStainlessSteelTubes #ASTMA803StainlessSteelTubes #StainlessSteelTubes #SSWeldedTubes #FerriticSteelTubes #FeedwaterHeaterTubes #HeatExchangerTubes #CondenserTubes #BoilerTubes #IndustrialStainlessSteelTubes #CorrosionResistantTubes #PowerPlantTubes #ASTMStainlessSteel #StainlessSteelTubeManufacturer #StainlessSteelTubeSupplier #StainlessSteelTubeExporter #IndustrialPiping #PetrochemicalTubes #ChemicalProcessingTubes #SteelTubeManufacturer #SteelTubeSupplier #EngineeringMaterials #LadhaniMetals #StainlessSteelProducts #SteelTubeSolutions #Mumbai #Delhi #Chennai #Kolkata #Bengaluru #Hyderabad #Ahmedabad #Pune #Surat #Jaipur #Lucknow #Kanpur #Nagpur #Indore #Srinagar #Aurangabad #Dhanbad #Amritsar #NaviMumbai #Allahabad #Ranchi #Howrah #Jabalpur #Gwalior #Vijayawada
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