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A-347 Welded Master Link Assembly


 


  • Alloy Steel - Quenched and Tempered.
  • Design Factor of 4 to 1 for chain and 5 to 1 for wire rope.
  • Individually proof tested to 2.5 times the Working Load Limit (4:1).
  • Proof tested with fixture sized to prevent localized point loading
    per ASTM A952.
  • Crosby products meet or exceed all requirements of ASME B30.26
    including identification, ductility, design factor, proof load and
    temperature requirements. Importantly, Crosby products meet other
    critical performance requirements including fatigue life, impact
    properties and material traceability, not addressed by ASME B30.26.
  • Meets the performance requirements of EN1677-4:2001
  • Each link has a Product Identification Code (PIC) for material
    traceability, along with the size and the name Crosby & U.S.A.
  • Larger inside width and length for use with thimble.
  • Engineered Flat for use with S-1325A coupler link.
A-347
Welded Master Link Assembly

Chain
Size
(mm)
A-347
Stock
No.
Working
Load Limit
(t)*
Weight
Each
(kg)
Dimensions
(mm)
Engineered
Flat Size
for S-325A
(in.) - (mm)
4:1 5:1 А В С D E F
13/12 1257692-4 2,36 2,4 ,81 13 60 120 12 85 45 No Flat
17/13 1257762-4 3,15 3,2 1,56 17 90 160 13 120 60 No Flat
19/13 1257832-4 4,25 4,2 1,79 19 90 160 13 120 60 1/4" - 5/16", 7-8 мм
22/17 1257972-4 6,7 8 3,29 22 100 180 17 160 90 3/8", 10 мм
28/22 1258142-4 11,2 12 7,00 28 145 275 22 180 100 1/2", 13 мм
31/25 1258182-4 17 17 9,43 31 145 275 25 210 115 5/8", 16 мм
40/31 1258332-4 23,6 25 18,28 40 160 300 31 270 140 No Flat
45/36 1258402-4 31,5 31,5 26,39 45 180 340 36 285 155 No Flat
51/45 1258462-4 45 45 42,88 51 190 350 45 340 180 No Flat
* WLL for included angle of maximum 90 degrees. For larger included angles, the WLL should be reduced.
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