- Equipment code : CFIHOS-30000496
Description
Overview of Stainless Steel Seamless Pipe
Manufacturing Process:
Extrusion and Drawing: The stainless steel billet is heated and pierced to form a hollow tube (ingot).
Cold Drawing: The tube is then drawn through a series of dies to reduce its diameter and wall thickness while increasing its length.
Annealing: Heat treatment process to relieve stress and improve ductility and corrosion resistance.
Finishing: Ends are cut, deburred, and surface treated as per requirements.
Advantages:
Uniformity: Seamless pipes have consistent wall thickness throughout, suitable for high-pressure applications.
Corrosion Resistance: Stainless steel’s inherent properties resist corrosion and oxidation.
Strength: High mechanical strength suitable for structural and industrial uses.
Cleanliness: Smooth surface finish minimizes risk of contamination in fluid transport applications.
Applications:
Industry: Used in chemical, petrochemical, pharmaceutical, food processing, and marine industries.
Infrastructure: Structural components, heat exchangers, and conveyance systems.
High-Temperature Services: Furnace components, heat exchangers, boilers, and superheaters.
Standards and Specifications:
ASTM A312: Standard specification for seamless, welded, and heavily cold worked austenitic stainless steel pipes.
ASTM A790: Specification for seamless and welded ferritic/austenitic stainless steel pipe.
DIN 17456: Standard for seamless circular tubes of stainless steels with austenitic-ferritic (duplex) grades.
Types of Stainless Steel:
Austenitic: Grades like 304, 316, 321; excellent corrosion resistance and formability.
Ferritic and Martensitic: Grades like 410, 430; good mechanical properties and moderate corrosion resistance.
Duplex and Super Duplex: Grades like 2205, 2507; high strength and improved resistance to stress corrosion cracking.
Conclusion:
Stainless steel seamless pipes are integral in industries requiring reliable, corrosion-resistant, and high-strength piping solutions. Their seamless construction ensures superior performance in critical applications where fluid integrity and durability are paramount.
Supporting Documents
General Terms
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