ASTM A409 / A409M Welded Steel Pipes are electric-fusion-welded large diameter austenitic stainless steel pipes designed for corrosive and high-temperature service. These pipes provide excellent corrosion resistance, durability, and structural strength, making them suitable for industrial piping and transportation systems. Manufactured in accordance with ASTM A409/A409M, this specification covers electric-fusion-welded large diameter austenitic steel pipes intended for corrosive or high-temperature service. The standard ensures controlled chemical composition, weld integrity, mechanical properties, and dimensional accuracy for reliable industrial performance. Ladhani Metal Corporation is a trusted manufacturer, supplier, and exporter of ASTM A409 / A409M Welded Steel Pipes, supplied with mill test certificates and strict quality inspection as per international standards. Forms of Supply (as per specification): Welded pipes, EFW pipes, Large diameter pipes, Rolled pipes, Annealed pipes, Pickled pipes, Polished pipes, Custom fabricated pipes Available Grades (as per ASTM A409 / A409M): 304, 304L, 309, 310, 316, 316L, 317, 317L, 321, 347 Scope of Specification: • Covers electric-fusion-welded large diameter stainless steel pipes • Intended for corrosive and high-temperature service • Suitable for industrial and process piping applications • Supplied in annealed and pickled condition Typical Chemical Composition (Grade 304L Example): • Carbon (C): Max 0.03% • Chromium (Cr): 18.00 – 20.00% • Nickel (Ni): 8.00 – 12.00% • Manganese (Mn): Max 2.00% • Silicon (Si): Max 1.00% • Phosphorus (P): Max 0.045% • Sulphur (S): Max 0.030% Mechanical Properties (Grade 304L Example): • Tensile Strength: Min 485 MPa • Yield Strength: Min 170 MPa • Elongation: Min 35% • Excellent corrosion resistance and weldability • Suitable for high-temperature applications Key Features: • Excellent corrosion and oxidation resistance • High structural strength and durability • Suitable for large diameter piping systems • Good weldability and fabrication properties • Reliable performance in harsh industrial environments Material Characteristics: ASTM A409 / A409M welded steel pipes provide excellent resistance to corrosion, oxidation, and elevated temperatures. Austenitic stainless steel grades maintain toughness and durability under demanding service conditions, making these pipes suitable for large-scale industrial applications. Applications: • Chemical and petrochemical industries • Oil and gas processing plants • Water treatment and distribution systems • Power generation plants • Heat exchangers and process piping • Industrial transportation pipelines Conclusion: Ladhani Metal Corporation supplies high-quality ASTM A409 / A409M Welded Steel Pipes in a wide range of grades, sizes, and finishes. With excellent corrosion resistance and reliable mechanical performance, these pipes are widely used in industrial, petrochemical, and engineering applications. For stock availability, customized specifications, or technical details, contact Ladhani Metal Corporation. #ASTMA409 #ASTMA409M #ASTMA409Pipe #ASTMA409MPipe #ASTMA409WeldedPipe #ASTMA409StainlessSteelPipe #ASTMA409LargeDiameterPipe #ASTMA409ERWPipe #ASTMA409IndustrialPipe #ASTMA409HighTemperaturePipe #ASTMA409CorrosionResistantPipe #ASTMA409PipeSupplier #ASTMA409PipeManufacturer #ASTMA409Exporter #ASTMA409Stockist #ASTMA409TP304 #ASTMA409TP304L #ASTMA409TP316 #ASTMA409TP316L #ASTMA409TP321 #ASTMA409TP347 #WeldedSteelPipe #LargeDiameterPipe #StainlessSteelPipe #IndustrialPipes #SSWeldedPipe #CorrosionResistantPipe #HighTemperaturePipe #SteelPipeSupplier #PipeManufacturer #PipeExporter #SSPipe #WeldedPipe #IndustrialSteel #ProcessPiping #BoilerPipes #HeatResistantSteel #ChemicalProcessing #PetrochemicalIndustry #PowerPlantPiping #SteelIndustry #MetalIndustry #CustomPipes #HeavyWallPipe #StainlessSteelProducts #PipeStockist #EngineeringMaterials #ASTMPipes #SteelPipes #IndustrialMaterials #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 #Jodhpur #Raipur #Kota #Guwahati #Chandigarh #Solapur #Hubli #Mysuru #Tiruchirappalli #Bareilly
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