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ASME B18.3 Hexagon Socket Countersunk Head Screws in Monel K500 ASTM B865 K500 Alloy

Mechanical Fasteners
December 02, 2025
Category Connection: Mechanical Fasteners
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Tags:
#mechanical fixings #metal fasteners #metal hardware
Brief: Watch as we walk through the full process, from initial setup to real-world testing of ASME B18.3 Hexagon Socket Countersunk Head Screws in Monel K500 alloy. This video demonstrates the flush-mount design, showcases the exceptional corrosion resistance in harsh environments, and explains the precision manufacturing that ensures reliable performance in offshore, chemical, and aerospace applications.
Related Product Features:
  • Manufactured from ASTM B865 Monel K500 alloy, offering three times the yield strength of Monel 400.
  • Adheres to ASME B18.3 standards for dimensional precision and a flush-mount countersunk head design.
  • Provides superior corrosion resistance in seawater, acidic/alkaline media, and H₂S environments.
  • Available in diameters from 6mm to 120mm and custom lengths up to 12 meters.
  • Features precipitation-hardened material with tensile strength of 1100 MPa and yield strength of 790 MPa.
  • Offers versatile processing options including cold-worked, hot-forged, and CNC-machined finishes.
  • Ideal for high-stress applications in offshore platforms, chemical reactors, and aerospace assemblies.
  • Backed by full material traceability, ISO certification, and NACE MR0175/ISO 15156 compliance.
Faqs:
  • What are the key advantages of using Monel K500 alloy for these screws?
    Monel K500 offers three times the yield strength of Monel 400, exceptional corrosion resistance in harsh environments like seawater and chemical media, and maintains durability under high pressure and temperature fluctuations due to its precipitation-hardened composition.
  • Which industries commonly use these hexagon socket countersunk head screws?
    These screws are trusted in offshore applications for pump shafts and subsea equipment, chemical processing for reactors and pipelines, aerospace for structural assemblies, and marine systems for hull fittings and seawater-handling components.
  • What standards and quality controls are applied to these fasteners?
    They comply with ASME B18.3 for dimensions and ASTM B865 for material, with quality controls including raw material traceability, NACE MR0175/ISO 15156 compliance, batch testing, and ISO-certified production processes.
  • Are custom sizes and surface finishes available for these screws?
    Yes, we offer custom diameters from 6mm to 120mm, lengths up to 12 meters, and various finishes including bright, polished, or black, with additional surface treatments available upon request.
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