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Crosby® Alloy Master Links
Size OC Stock No. Weight Each (lb) Working Load Limit (lb) Proof Load (lb) Grade 100 Chain Sling Grade 80 Chain Sling Dimensions (in)
(in) (mm) Single Leg Chain Size (in) Double Leg Chain Size (in) Single Leg Chain Size (in) Double Leg Chain Size (in) A B C Deformation Indicator
1/2W 13W No 1014266 1.3 7400 17,200 6mm, 9/32, 5/16 6mm 6mm, 9/32, 5/16, 3/8 6mm, 9/32 0.62 2.80 5.00 3.50
5/8 16 No 1014280 1.5 9000 18,000 5/16, 3/8 9/32 3/8 5/16 0.62 3.00 6.00 3.50
3/4W 19W No 1014285 2.0 12300 28,400 5/16, 3/8 5/16 1/2 3/8 0.73 3.20 6.00 4.00
7/8W 22W Yes 3522213 3.3 15200 †38,000 3/8, 1/2 3/8 1/2 3/8 0.88 3.75 6.38 4.50
1W 26W Yes 3522214 6.1 26000 †65,000 1/2, 5/8 1/2 5/8 1/2 1.10 4.30 7.50 5.50
1-1/4W 32W Yes 3522215 12.0 39100 †97,750 5/8, 3/4 5/8 3/4, 7/8 5/8 1.33 5.50 9.50 7.00
1-1/2W 38W Yes 3522216 18.6 61100 †15,2750 7/8, 1 3/4 1 3/4, 7/8 1.61 5.90 10.50 6.50
1-3/4 44 Yes 3522217 25.2 84900 †21,2250 1 7/8 1-1/4 1 1.75 6.00 12.00 7.50
2 51 Yes 3522218 37.0 102600 †25,6500 1-1/4 7/8 1-1/4 1 2.00 7.00 14.00 9.00
2-1/4 57 No 1014422 54.1 143100 289,200 1-1/4 1 1-1/4 1-1/4 2.25 8.00 16.00 10.00
2-1/2 63 No 1014468 68.5 160000 320,000 1-1/4 1-1/4 2.50 8.38 16.00 11.00
2-3/4 70 No 1014440 94.0 216900 433,800 2.75 9.88 18.00 12.50
3 76 No 1014486 115 228000 456,000 3.00 9.88 18.00 13.00
3-1/4 83 No 1014501 145 262200 524,400 3.25 10.00 20.00 13.50
3-1/2 89 No 1014529 200 279000 558,000 3.50 12.00 24.00 13.50
3-3/4 95 No 1015051 198 336000 672,000 3.75 10.00 20.00 15.50
4 102 No 1015060 264 373000 746,000 4.00 12.00 24.00 13.50
†† 4-1/4 †† 108 No 1015067 302 354000 708,000 4.25 12.00 24.00 16.00
†† 4-1/2 †† 114 No 1015079 345 360000 720,000 4.50 14.00 28.00
†† 4-3/4 †† 121 No 1015088 436 389000 778,000 4.75 14.00 28.00
†† 5 †† 127 No 1015094 516 395000 790,000 5.00 15.00 30.00

5:1 Design Factor. Based on single leg sling (in-line load), or resultant load on multiple legs with an included angle less than or equal to 120 degrees. Applications with wire rope and synthetic sling generally require a design factor of 5. Proof Test Load equals or exceeds the requirement of ASTM A952(8.1) and ASME B30.9. †Offshore Container Master Links Proof Tested to 2.5 times the Working Load Limit with 70 percent fixtures. ††Welded Master Link. Chain slings require that the Minimum Ultimate Load be 4 times the Working Load Limit.
Refer to applications & warnings to determine products actual Ultimate Load. Proof Test Load equals or exceeds the requirement of ASTM A952(8.1) and ASME B30.9-1.4 for the chain size and number of legs.

 

     

Ratings are for use with chain slings fabricated in accordance with ASME B30.9.

  • 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 DNVST-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.

WARNING: Prop 65: Products supplied by CERTEX USA may expose you to chemicals including Nickel, which is known to the State of California to cause cancer. For more information, visit to www.P65Warnings.ca.gov.

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