AL Series New applications should use BL series chain. AL series was removed from the A.N.S.I. B29.8 Leaf chain standard in 1975.
Pitch
Lacing
Min.
Hole Dia. (min.)
Approx. Weight lbs./ft.
U.S. TSUBAKI
Tensile Strength
Pin
Link Plate
lbs.
P
D
L
T
H
S
Chain No. AL422 AL444 AL466 AL522 AL544 AL566 AL622 AL644 AL666 AL822 AL844 AL866 AL1022 AL1044 AL1066 AL1222 AL1244 AL1266 AL1444 AL1466 AL1644 AL1666
.500 .500 .500 .625 .625 .625 .750 .750 .750
2x2 4x4 6x6 2x2 4x4 6x6 2x2 4x4 6x6 2x2 4x4 6x6 2x2 4x4 6x6 2x2 4x4 6x6 4x4 6x6 4x4 6x6
3,700 7,500 11,200 6,200 12,300 18,500 8,600 17,200 25,800 14,600 29,100 43,600 22,000 44,000 66,000 31,700 63,400 95,000 83,600 125,400 105,800 158,000
.156 .156 .156 .200 .200 .200 .234 .234 .234 .311 .311 .311 .373 .373 .373 .437 .437 .437 .500 .500 .562 .562
.331 .585 .839 .427 .762 1.094 .498 .888 1.278 .644 1.173 1.701 .789 1.445 2.098 .953 1.732 2.514 2.020 2.935 2.285 3.325
.060 .060 .060 .080 .080 .080 .094 .094 .094 .125 .125 .125 .156 .156 .156 .187 .187 .187 .219 .219 .250 .250
.409 .409 .409 .512 .512 .512 .614 .614 .614 .819 .819 .819
.1578 .1578 .1578 .2019 .2019 .2019 .2362 .2362 .2362 .3138 .3138 .3138 .3768 .3768 .3768 .4386 .4386 .4386 .5016 .5016 .5638 .5638
.25 .50 .74 .42 .82 1.21 .58
1.15 1.70 1.01 2.00 2.97 1.80 3.56 5.31 2.39 4.75 7.07 6.95 10.18 8.70 13.00
1.000 1.000 1.000 1.250 1.250 1.250 1.500 1.500 1.500 1.750 1.750 2.000 2.000
1.024 1.024 1.024 1.228 1.228 1.228 1.433 1.433 1.638 1.638
Non-Standard Chain
Pitch
Lacing
Min.
Hole Dia. (min.)
Approx. Weight lbs./ft.
Tensile Strength
Pin
Link Plate
U.S. TSUBAKI
lbs.
P
D
L
T
H
S
Chain No.
.625
3x2
7,000
.187
.583
.094
.590
.189
.79
BL532 (6H-5)
NOTE: BL532 is available only as a replacement chain and should not be specified for new applications or designs.
A-64
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