Oblong Master Links

Crosby® A-347 Oblong Master Links

  • Alloy steel
    • Quenched & Tempered.
  • Individually Proof Tested to values shown, with certification.
  • Design Factor of 5 to 1.
  • Proof Tested with 70% inside width special fixtures sized to prevent localized point loading per ASME A-952.
  • Each main link is marked with Product Identification Code (PIC) for material traceability, Grade, CE, chain size and the "CG" (Crosby Group). Each sublink is marked with traceability code.
  • A-347 master links are type approved to DNV Certification Notes 2.7-1- Offshore Containers. These Crosby master links are 100% proof tested, MPI and impact tested. The tests are conducted by Crosby and 3.1 test certification is available upon request.
  • Engineered Flat for use with S-1325A coupler link.
  • Fatigue rated to 20,000 cycles at 1-1/2 times the Working Load Limit.
  • Meets or exceeds all requirements of ASME B30.26 including identification, ductility, design factor, proof load and temperature requirements. Importantly, these links meet other critical performance requirements including fatigue life, impact properties and material traceability, not addressed by ASME B30.26.
  • Available only in EMEA.
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Crosby® A-342 Oblong Master Links

  • Alloy steel
    • Quenched & Tempered.
  • Individually Proof Tested to values shown, with certification.
  • Proof Tested with special fixtures sized to prevent localized point loading.
  • Forgings have a Product Identification Code (PIC) for material traceability, along with the size, the name Crosby and USA in raised lettering.
  • Selected sizes designated with “W” in the size column have enlarged inside dimensions to allow additional room for sling hardware and crane hook.
  • Crosby 7/8” to 2” A-342 master links are type approved to DNV GL-ST-E271-2.7-1 Offshore Containers. These Crosby master links are 100% proof tested, MPI and impact tested. The tests are conducted by Crosby and 3.1 test certification is available upon request. Refer to the Crosby COLD TUFF® master links that meet the additional requirements of DNV rules for certification of lifting appliances - Loose Gear.
  • Incorporates patented QUIC-CHECK® deformation indicators.
  • Fatigue rated to 20,000 cycles at 1-1/2 times the Working Load Limit.
  • Meets or exceeds all requirements of ASME B30.26 including identification, ductility, design factor, proof load and temperature requirements. Importantly, these links meet other critical performance requirements including fatigue life, impact properties and material traceability, not addressed by ASME B30.26.
Learn More

Crosby® A-344 Oblong Master Links

  • Alloy steel
    • Quenched & Tempered.
  • Individually Proof Tested to values shown, with certification.
  • Design Factor of 5 to 1.
  • Proof Tested with 70% inside width special fixtures sized to prevent localized point loading per ASME A-952.
  • Each main link is marked with Product Identification Code (PIC) for material traceability, Grade, CE, chain size and the "CG" (Crosby Group).
  • A-344 master links are type approved to DNV Certification Notes 2.7-1- Offshore Containers. These Crosby master links are 100% proof tested, MPI and impact tested. The tests are conducted by Crosby and 3.1 test certification is available upon request.
  • Engineered Flat for use with S-1325A coupler link.
  • Fatigue rated to 20,000 cycles at 1-1/2 times the Working Load Limit.
  • Meets or exceeds all requirements of ASME B30.26 including identification, ductility, design factor, proof load and temperature requirements. Importantly, these links meet other critical performance requirements including fatigue life, impact properties and material traceability, not addressed by ASME B30.26.
  • Available only in EMEA.
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Crosby® A-342CT Oblong Master Links

  • Alloy Steel - Quenched and Tempered
  • Individually proof tested at 2 times Working Load Limit with certification.
  • Finish is Inorganic Zinc Primer.
  • Certified to meet charpy impact testing of 31 ft-lbs. min. avg. at - 4° F.
  • Individually serialized and all certification shipped with each link.
  • COLD TUFF® master links are suitable for use at -50° F.
  • Type Approval and certification in accordance with DNV 2.7-1 Offshore Containers, DNV-OS-E101, and Rules for Certification of Lifting Appliances, and are produced in accordance with DNV MSA requirements, including required documents.
  • Refer to page 88 for COLD TUFF® Shackles.
  • Meets or exceeds all requirements of ASME B30.26 including identification, ductility, design factor, proof load and temperature requirements. Importantly, these fittings meet other critical performance requirements including fatigue life, impact properties and material traceability, not addressed by ASME B30.26.
Learn More

Crosby® A-345 Oblong Master Links

  • Alloy steel
    • Quenched & Tempered.
  • Individually Proof Tested to values shown, with certification.
  • Design Factor of 5 to 1.
  • Proof Tested with 60% inside width special fixtures sized to prevent localized point loading per ASME A-952.
  • Each main link is marked with Product Identification Code (PIC) for material traceability, Grade, CE, chain size and the "CG" (Crosby Group). Each sublink is marked with traceability code.
  • 7/8" through 2" A-345 master links are type approved to DNV Certification Notes 2.7-1- Offshore Containers. These Crosby master links are 100% proof tested, MPI and impact tested. The tests are conducted by Crosby and 3.1 test certification is available upon request.
  • Engineered Flat for use with S-1325A coupler link.
  • Fatigue rated to 20,000 cycles at 1-1/2 times the Working Load Limit.
  • Meets or exceeds all requirements of ASME B30.26 including identification, ductility, design factor, proof load and temperature requirements. Importantly, these links meet other critical performance requirements including fatigue life, impact properties and material traceability, not addressed by ASME B30.26.
Learn More