Crosby A1346 Welded Master Link Assembly - Range from 3000kg to 26,500kg

Crosby A1346 welded master link assemblies.

Model: 

Crosby A-1346 / WMLA-3126


  • Ratings below are for use with chain slings fabricated in accordance with ASTM B30.9.
  • Alloy Steel - Quenched and Tempered.
  • Design Factor of 4 to 1.
  • Individually Proof Tested to values shown.
  • Meets or exceed all requirements of ASME B30.26 including identification, ductility, design factor, proof load and temperature requirements. Importantly, these master 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 “CG” stamped into it.

Metric Dimensions and Specifications

Size A-1346
Stock No.
Weight Each (kg)

For use as Grade 100Chain Sling

Three Four Legs Chain Size (mm)

For use as Grade 80 Chain Sling

Three Four Legs Chain Size (mm)

WLL
(t)
Proof Load (t) Dimensions (mm)
A B C D E F
17X1 1256868 1.58 6 7 4.1 10.3 17 90 160 13 60 120
19X2A 1256874 1.8 7 8 4.3 10.6 19 90 160 13 60 120
22X2B 1256883 3.35 8 10 6.7 16.8 22 100 180 17 90 160
25X3 1256892 5.51 10 10 8.9 22.3 25 146 275 19 90 160
28X4A 1256917 7.17 13 13 14.5 36.3 28 145 275 22 100 180
31X4B 1256926 9.72 13 16 17 42.5 31 145 275 25 115 210
36X5 1256935 12.2 16 18-19 23.6 59 36 146 275 28 100 190
40X6 1256944 18.68 18 19-20 28.1 70.3 40 160 300 31 145 275
45X7 1256953 26.56 19-20 22-23 38.3 95.8 45 180 340 36 155 285
50X8 1256962 32.86 22-23 26 45 112.5 50 200 380 38 140 370
57X9 1256971 59.7 26 32 67 167.5 57 203 406 50 200 380

Crosby Grade 100 Welded Master Link Quad Dimensions

 

Imperial Specifications

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

Size A-1346 Stock No. S.C. Weight Each (lbs) WLL (lbs) Three and Four Leg Sling Proof Load (lbs) Dimensions (in.)
Chain Size WLL (lbs.)* A B C D E F Dimensional Drawing
(in.) (mm)
A18-B13 1256507 2.50 6600 - - - 16850 .71 2.95 5.31 .51 .98 2.12

Dimensional Diagram

A22-B16 1256577 4.90 - 1/4 7 11200 29650 .87 3.56 6.30 .63 1.34 2.75
A26-B18 1256647 7.40 - 5/16 8 14800 44900 1.00 3.94 7.10 .71 1.57 3.35
A32-B22 1256717 13.40 - 3/8 10 22900 77500 1.26 4.33 7.87 .87 1.97 4.53
A36-B26 1256787 22.00 - 1/2 13 39000 116900 1.42 5.51 10.24 1.00 2.56 5.51
A45-B32 1256867 41.70 - 5/8 16 58700 146100 1.77 7.10 13.40 1.26 2.75 5.90

* Ultimate Load is 4 times the Working Load Limit. Based on grade 10 chain at 60° sling angle.
† Working Load Limit with coupling links at 90 degrees included angle maximum.

  • Ratings below are for use with chain slings fabricated in accordance with ASTM B30.9.
  • Alloy Steel - Quenched and Tempered.
  • Design Factor of 4 to 1.
  • Individually Proof Tested to values shown.
  • Meets or exceed all requirements of ASME B30.26 including identification, ductility, design factor, proof load and temperature requirements. Importantly, these master 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 “CG” stamped into it.

Metric Dimensions and Specifications

Size A-1346
Stock No.
Weight Each (kg)

For use as Grade 100Chain Sling

Three Four Legs Chain Size (mm)

For use as Grade 80 Chain Sling

Three Four Legs Chain Size (mm)

WLL
(t)
Proof Load (t) Dimensions (mm)
A B C D E F
17X1 1256868 1.58 6 7 4.1 10.3 17 90 160 13 60 120
19X2A 1256874 1.8 7 8 4.3 10.6 19 90 160 13 60 120
22X2B 1256883 3.35 8 10 6.7 16.8 22 100 180 17 90 160
25X3 1256892 5.51 10 10 8.9 22.3 25 146 275 19 90 160
28X4A 1256917 7.17 13 13 14.5 36.3 28 145 275 22 100 180
31X4B 1256926 9.72 13 16 17 42.5 31 145 275 25 115 210
36X5 1256935 12.2 16 18-19 23.6 59 36 146 275 28 100 190
40X6 1256944 18.68 18 19-20 28.1 70.3 40 160 300 31 145 275
45X7 1256953 26.56 19-20 22-23 38.3 95.8 45 180 340 36 155 285
50X8 1256962 32.86 22-23 26 45 112.5 50 200 380 38 140 370
57X9 1256971 59.7 26 32 67 167.5 57 203 406 50 200 380

Crosby Grade 100 Welded Master Link Quad Dimensions

 

Imperial Specifications

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

Size A-1346 Stock No. S.C. Weight Each (lbs) WLL (lbs) Three and Four Leg Sling Proof Load (lbs) Dimensions (in.)
Chain Size WLL (lbs.)* A B C D E F Dimensional Drawing
(in.) (mm)
A18-B13 1256507 2.50 6600 - - - 16850 .71 2.95 5.31 .51 .98 2.12

Dimensional Diagram

A22-B16 1256577 4.90 - 1/4 7 11200 29650 .87 3.56 6.30 .63 1.34 2.75
A26-B18 1256647 7.40 - 5/16 8 14800 44900 1.00 3.94 7.10 .71 1.57 3.35
A32-B22 1256717 13.40 - 3/8 10 22900 77500 1.26 4.33 7.87 .87 1.97 4.53
A36-B26 1256787 22.00 - 1/2 13 39000 116900 1.42 5.51 10.24 1.00 2.56 5.51
A45-B32 1256867 41.70 - 5/8 16 58700 146100 1.77 7.10 13.40 1.26 2.75 5.90

* Ultimate Load is 4 times the Working Load Limit. Based on grade 10 chain at 60° sling angle.
† Working Load Limit with coupling links at 90 degrees included angle maximum.


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