1. Studless Chain/Open link Chain Introduction
Qingdao Dashin Machinery is specializing in welded chain for more than 10 years, the application range includs lifting, mining, anchoring, lashing, and fishery. The size range can be from 6mm to 68mm, G30 to G100 grade.
Surface treatment can be hot dip galvanizing, electric galvanizing, blackening, carburizing, plastic coating.
The automatic equipment and our quality control process ensures the smooth appearance and excellent strength of the products.
Customized chains are supported in production.
With competitive prices, Qingdao lige machinery is always providing kinds of quality welding chain to global customers.
2. Specification for Studless Chain/Open link Chain
Regular Standard of chain link
(6d x3.6d), GB/T549-2008 |
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Chain Diameter (mm) | Proof Load (KN) | Breaking load(KN) | Weight KG/1Mtr | ||||
Grade U1 | Grade U2 | Grade U3 | Grade U1 | Grade U2 | Grade U3 | ||
12.5 | 28.8 | 41.2 | 56.4 | 57.8 | 82.6 | 112.8 | 3.13 |
14 | 34.8 | 51.0 | 70.8 | 69.9 | 101.9 | 141.5 | 3.92 |
16 | 47.1 | 66.2 | 92.4 | 94.7 | 132.3 | 184.8 | 5.12 |
17.5-18 | 56.4 | 78.9 | 110.6 | 113.3 | 157.8 | 221.1 | 6.5 |
19 | 66.4 | 93.6 | 130.3 | 133.6 | 187.2 | 260.6 | 8 |
20.5 | 77.3 | 108.6 | 151.7 | 155.5 | 217.3 | 303.4 | 8.37 |
22 | 89.1 | 125.4 | 174.4 | 179.1 | 250.9 | 349.4 | 9.67 |
24 | 106.0 | 149.9 | 207.9 | 213.3 | 298.9 | 415.8 | 11.49 |
25 | 111.0 | 159.0 | 220.0 | 222.0 | 318.0 | 440.0 | 12.5 |
26 | 124.4 | 175.4 | 244.0 | 250.1 | 350.8 | 488.0 | 13.52 |
28 | 144.3 | 203.8 | 283.0 | 290.1 | 406.7 | 566.0 | 15.68 |
30 | 165.6 | 234.2 | 324.9 | 333.0 | 467.5 | 649.8 | 18 |
32 | 188.4 | 265.6 | 369.6 | 378.9 | 531.2 | 739.3 | 20.48 |
34 | 212.7 | 299.9 | 417.3 | 427.7 | 599.8 | 634.6 | 23.13 |
36 | 238.5 | 336.1 | 467.8 | 479.5 | 672.3 | 935.7 | 25.92 |
38 | 265.7 | 374.4 | 521.3 | 534.3 | 748.7 | 1042.5 | 28.88 |
40 | 294.4 | 414.5 | 577.6 | 592.0 | 829.1 | 1155.2 | 32 |
42 | 324.6 | 457.7 | 636.8 | 652.6 | 915.3 | 1273.6 | 35.28 |
44 | 356.2 | 502.7 | 698.9 | 716.3 | 999.6 | 1398.0 | 38.72 |
46 | 389.3 | 548.8 | 763.9 | 782.9 | 1097.6 | 1527.8 | 42.32 |
48 | 423.9 | 597.8 | 831.7 | 852.5 | 1195.6 | 1663.5 | 46.08 |
50 | 460.0 | 648.8 | 902.5 | 926.1 | 1239.6 | 1805.0 | 50 |
52 | 497.5 | 697.6 | 976.1 | 1000.5 | 1395.3 | 1952.3 | 54.08 |
54 | 536.5 | 752.3 | 1052.7 | 1078.9 | 1504.7 | 2105.4 | 58.32 |
56 | 577.0 | 809.1 | 1132.1 | 1160.3 | 1618.2 | 2264.2 | 62.72 |
58 | 619.0 | 867.9 | 1214.4 | 1244.7 | 1735.3 | 2428.8 | 67.28 |
60 | 662.4 | 928.8 | 1299.6 | 1332.0 | 1857.6 | 2599.2 | 72 |
62 | 707.3 | 991.8 | 1387.7 | 1422.3 | 1983.5 | 2775.4 | 76.88 |
64 | 753.7 | 1056.8 | 1478.7 | 1515.5 | 2113.5 | 2957.3 | 81.92 |
66 | 801.5 | 1123.9 | 1572.5 | 1611.7 | 2247.7 | 3145.0 | 87.12 |
68 | 850.8 | 1193.0 | 1669.3 | 1710.9 | 2386.0 | 3338.5 | 92.48 |
70 | 901.6 | 1264.2 | 1768.9 | 1813.0 | 2528.4 | 3537.8 | 98 |