Jamarco Industrial Supplies

Working Load Limit Comparisons

Alloy Grade 80 (Lifting) Machine Chain - Straight Link Double Jack Chain
Transport Grade 70 Machine Chain - Twist Link Single Jack Chain
High Test Grade 43 Coil Chain - Straight Link Sash Chain (Navy Chain)
Proof Coil Grade 30 Coil Chain - Twist Link Passing Link Chain
Single Loop Chain (Lock Link) Inco Double Loop Safety Chain (Plumbers' Chain)
Alloy Grade 80 Recommended for Overhead Lifting
. Working Mat. Dia. Inside Dimensions .
Trade Size lb in. Length Width Links/ft. Lb/100 ft. Ft/Drum
7/32 2100 0.22 0.69 0.30 17.5 43 800
9/32 3500 0.28 0.86 0.41 13.8 70 500
5/16 5100 0.32 0.94 0.46 12.8 92 500
3/8 7100 0.39 1.22 0.55 10.0 142 500
1/2 12000 0.51 1.57 0.75 7.8 244 300
5/8 18100 0.63 1.93 0.87 6.3 356 200
3/4 28300 0.79 2.20 1.09 5.5 562 100
7/8 34200 0.88 2.45 1.22 5.0 750 100
1" 47700 1.00 2.80 1.40 4.3 965 100
1-1/4 72300 1.25 3.50 1.75 3.5 1525 60
1-1/2 80000 1.50 4.49 1.94 2.6 2140 45

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Transport Chain Grade 70
. Working Mat. Dia. Inside Dimensions .
Trade Size lb in. Length Width Links/ft. Lb/100 ft. Feet/drum
1/4 3150 0.31 0.94 0.46 12.8 94 800
5/16 4700 0.34 1.01 0.48 11.9 111 550
3/8 6600 0.39 1.36 0.57 8.8 142 400
7/16 8750 0.47 1.29 0.67 9.3 212 300
1/2 11300 0.51 1.70 0.75 7.1 238 200

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High Test Grade 43
. Working Mat. Dia. Inside Dimensions .
Trade Size lb in. Length Width Links/ft. Lb/100 ft. Feet/drum
1/4 2600 0.28 1.20 0.45 10.0 63 800
5/16 3900 0.34 1.27 0.47 9.4 102 550
3/8 5400 0.39 1.15 0.58 10.4 155 400
7/16 7200 0.47 1.29 0.67 9.3 216 300
1/2 9200 0.51 1.70 0.75 7.1 238 200
5/8 11500 0.66 1.94 0.93 6.2 356 150
3/4 16200 0.78 2.21 1.10 5.4 581 100

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Proof Coil Grade 30
. Working Mat. Dia. Inside Dimensions .
Trade Size lb in. Length Width Links/ft. Lb/100 ft. Feet/drum
1/8 375 0.16 0.89 0.29 13.5 22 1000
3/16 800 0.22 0.95 0.34 12.6 37 1000
1/4 1300 0.28 1.20 0.45 10.0 60 800
5/16 1900 0.32 1.27 0.47 9.4 80 550
3/8 2650 0.39 1.36 0.57 8.8 138 400
7/16 3500 0.47 1.37 0.75 8.8 210 300
1/2 4500 0.51 1.70 0.75 7.1 238 200
5/8 6900 0.66 2.10 0.87 5.7 390 150
3/4 10600 0.78 2.70 1.02 4.4 536 100
7/8 12800 0.91 2.34 1.37 5.1 690 80

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Straight Link Machine Chain
. Working Load Limit Mat. Dia. Inside Dimensions .
Trade Size lb in. Length Width Links/ft. Lb/100 ft. Ft/Ctn
4 215 0.12 0.55 0.21 21.8 11 100
3 270 0.14 0.59 0.24 20.3 15 100
2 325 0.15 0.61 0.26 19.7 19 100
1 390 0.16 0.63 0.28 19.0 23 100
1/0 465 0.18 0.74 0.31 16.2 27 100
2/0 545 0.19 0.78 0.34 15.4 33 100
3/0 635 0.21 1.01 0.36 11.9 37 100
4/0 700 0.23 1.03 0.38 11.7 47 100
5/0 925 0.25 1.07 0.44 11.2 52 100

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Twist Link Machine Chain
. Working Load Limit Mat. Dia. Inside Dimensions .
Trade Size lb in. Length Width Links/ft. Lb/100 ft. Ft/Ctn
4 205 0.12 0.52 0.17 23.1 13 100
3 255 0.14 0.56 0.20 21.4 16 100
2 310 0.15 0.58 0.21 20.7 20 100
1 370 0.16 0.59 0.24 20.3 25 100
1/0 440 0.18 0.68 0.26 17.6 28 100
2/0 520 0.19 0.73 0.28 16.4 34 100
3/0 605 0.21 0.95 0.31 12.6 36 100
4/0 670 0.23 0.89 0.32 13.5 48 100
5/0 880 0.25 1.00 0.37 12.0 56 100

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Straight Link Coil Chain
. Working Load Limit Mat. Dia. Inside Dimensions .
Trade Size lb in. Length Width Links/ft. Lb/100 ft. Ft/Ctn
4 205 0.12 1.11 0.21 10.8 10 100
3 255 0.14 1.17 0.24 10.3 13 100
2 310 0.15 1.18 0.26 10.2 15 100
1 370 0.16 1.25 0.28 9.6 19 100
1/0 440 0.18 1.25 0.31 9.6 22 100
2/0 520 0.19 1.29 0.32 9.3 27 100
3/0 605 0.21 1.30 0.36 9.2 31 100
4/0 670 0.23 1.39 0.38 8.6 35 100
5/0 880 0.25 1.52 0.44 7.9 46 100

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Twist Link Coil Chain
. Working Load Limit Mat. Dia. Inside Dimensions .
Trade Size lb in. Length Width Links/ft. Lb/100 ft. Ft/Ctn
4 195 0.12 1.09 0.18 11.0 10 100
3 240 0.14 1.14 0.21 10.5 13 100
2 295 0.15 1.15 0.22 10.4 16 100
1 350 0.16 1.22 0.25 9.8 20 100
1/0 415 0.18 1.22 0.27 9.8 23 100
2/0 495 0.19 1.24 0.29 9.7 28 100
3/0 575 0.21 1.26 0.32 9.5 33 100
4/0 635 0.23 1.34 0.33 9.0 37 100
5/0 835 0.25 1.47 0.38 8.2 49 100

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Inco Double Loop Chain
. Working Load Limit Mat. Dia. Inside Dimensions .
Trade Size lb in. Length Width Links/ft. Lb/100 ft. Ft/Ctn
5 55 0.06 0.92 - - 13.0 4 100
4 70 0.07 1.00 - - 12.0 5 100
3 90 0.08 1.10 - - 10.9 6 100
2 115 0.09 1.33 - - 9.0 8 100
1 155 0.11 1.54 - - 7.8 10 100
1/0 200 0.12 1.78 - - 6.7 13 100
2/0 255 0.14 2.17 - - 5.5 16 100
3/0 305 0.15 2.17 - - 5.5 20 100
4/0 365 0.16 2.19 - - 5.5 25 100
8/0 705 0.23 2.90 - - 4.1 51 100

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Double Jack Chain
Single Jack Chain
. Working Load Limit Mat. Dia. Inside Dimensions .
Trade Size lb in. Length Width Links/ft. Lb/100 ft. Ft/Ctn
20 3 0.03 0.30 -- 40 1 100
18 5 0.05 0.39 -- 31 2 100
16 10 0.06 0.50 -- 24 3 100
14 16 0.08 0.63 -- 19 4 100
12 29 0.11 0.75 -- 16 8 100
10 43 0.14 0.93 -- 13 14 100
8 60 0.16 1.09 -- 11 21 100
6 80 0.19 1.24 -- 10 30 100

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Sash Chain

(Navy Chain)

. Working Load Limit Mat. Dia. Inside Dimensions
Trade Size lb in. Length Width Links/ft. Lb/100 ft. Ft/Ctn
8 75 0.04 0.55 -- 22 4 100
25 94 0.04 0.55 -- 22 5 100
30 81 0.03 0.59 -- 20 5 100
35 106 0.04 0.59 -- 20 6 100
40 131 0.04 0.59 -- 20 7 100
45 175 0.05 0.56 -- 21 9 100
50 225 0.06 0.56 -- 21 11 100

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Passing Link Chain
Single Loop Chain (Lock Link)
Safety Chain (Plumbers' Chain)

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Last updated: 1/4/2006