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Welded Master Link A-344

ChainChain HardwareLinks
  • Alloy Steel – Quenched and Tempered.
  • Individually Proof Tested to values shown, with certification.
  • Proof Tested with 60% inside width special fixtures sized to prevent localized point leading per ASME A-952.
  • 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.
  • Each link has a Product Identification Code (PIC) for material traceability, along with the size and the name Crosby® or “CG”.
  • Large inside width and length to allow additional room for sling hardware and crane hook.
  • Engineered Flat for use with S-1325A coupler link.
  • 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.
A-344

Size A-344
Stock No
Weight
Each
(lbs.)
Working
Load
Limit
(lbs.)*
Proof
Load
(lbs.)**
Dimensions
(in.)
Engineered
Flat Size
for S-1325A
(in.)
(in.) (mm) A B C G
7/16 12 1256862 0.66 3500 8800 .47 2.36 4.72 .24 1/4
1/2 13 1256932 0.79 5500 14000 .51 2.36 4.72 .26 1/4
11/16 17 1257002 1.85 9000 22700 .67 3.54 6.30 .33 3/8
3/4 19 1257072 2.36 14700 36800 .75 3.54 6.30 .33 3/8
7/8 22 1257212 3.55 18700 46800 .87 3.94 7.10 .41 1/2
1 26 1257282 5.22 25300 63400 .98 4.53 8.10 .53 1/2
1-1/8 28 1257382 8.33 28600 71700 1.10 5.71 10.83 .53 1/2
1-7/32 31 1257422 10.3 37400 93700 1.22 5.71 10.83 .61 5/8
1-7/16 36 1257492 15.1 52900 132200 1.42 6.10 11.20 - -
1-9/16 40 1257532 19.6 61900 154900 1.57 6.30 11.80 - -
1-3/4 45 1257562 28.1 84400 211100 1.77 7.10 13.40 - -
2 51 1257632 38.1 99200 248000 2.00 8.50 15.30 - -

*Ultimate Load is 5 times the Working Load Limit. Applications with wire rope and synthetic sling generally require a design factor of 5. 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.

**Proof Test Load equals or exceeds the requirement of ASTM A952(8.1) and ASME B30.9.For use with chain slings, contact Atlantic Cordage for proper master link selection.


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