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Alloy Threaded Flanges: Versatile Non-Welded Connections for ASME B16.5 CLASS 150-600 Lines

Alloy Steel Flanges
December 04, 2025
Category Connection: Alloy Steel Flanges
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Tags:
#forged steel flanges #spectacle blind flange #reducing weld neck flange
Brief: Our team walks you through how Alloy Threaded Flanges perform in common scenarios, demonstrating their versatile non-welded connections for ASME B16.5 CLASS 150-600 lines. You'll see how these flanges create secure connections without welding, ideal for low-pressure systems and hazardous environments where traditional welding isn't possible.
Related Product Features:
  • Internal tapered (NPT) or straight (BSP) threads mate with external pipe threads for secure connections.
  • Ideal for low-pressure systems, explosive atmospheres, and connections to threaded equipment.
  • Commonly used in utilities, instrumentation, plant modifications, and galvanized piping systems.
  • Enables quick installation without specialized welding equipment or skilled welders.
  • Allows easy disassembly and reassembly for maintenance or system modifications.
  • Safe for environments where hot work (welding) is prohibited due to fire or explosion risks.
  • Standardized under ASME B16.5 for pressure classes Class 150 to Class 600.
  • Available in sizes from 1/2" to 4" with thread specifications following ASME B1.20.1 (NPT).
Faqs:
  • Are you a manufacturer or trading company?
    We are a manufacturer, as verified by our Alibaba certification.
  • What is your typical delivery time for threaded flanges?
    Delivery time ranges from 10-100 days depending on quantity, with standard orders typically shipping within the specified timeframe based on stock availability.
  • Do you provide samples and what are the terms?
    Yes, we provide samples free of charge, though customers need to cover the freight costs for sample shipments.
  • What payment terms do you offer for international clients?
    For first-time clients: 50% advance payment, 50% balance before shipment. Strategic clients: 30% advance, 70% payment against copy of Bill of Lading. Long-term agreements: 60-day credit terms available subject to credit approval.
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