T(8)grade chain

The breaking strength of T(8)-grade high-strength chains is ≥ 80MPa.
The chains are made of alloy steel and have undergone heat treatment. The elongation rate at break is ≥ 17%. The national implementation standard is: GB/T 24816-2009.

Specification Applicability Chain Width (m) Weight per meter Working load WTest load Minimum breaking load
(m) mm in a b (Kg) (KN) (KN) (KN)
6×18 6 7/32 7.5 21 0.79 10 20 45.2
8×24 7 5/16 10 28 1.38 15 30 80.4
10×30 10 3/8 12.5 35 2.2 25 50 125
12×36 12 7/16 15 42 3.1 35 70 181
13×39 13 1/2 16.3 46 3.8 40 80 214
14×42 14 1/2 18 49 4.13 50 100 250
15×46 15 3/5 20 52 5.17 55 110 280
16X48 16 5/8 20 56 5.63 60 120 320
18×54 18 23/32 23 63 6.85 80 160 410
19×57 19 3/4 23.7 63.2 7.7 90 180 450
20×60 20 3/4 25 70 8.6 100 200 500
22×66 22 7/8 28 77 10.2 120 240 610
24×72 24 15/16 32 82 12.78 140 280 720
26×78 26 1 35 91 14.87 170 340 850
30×90 30 13/16 38 105 19.6 220 440 1130
32×96 32 11/4 40 106 22.29 250 500 1286
34X126 34 13/8 42.5 109 22.7 363 870 1450
S(6)grade chain

Chain diameter Ultimate outer length of the chain L Chain link at the non-welded joint Ultimate working load Verification force borne by the whole chain Minimum breaking force Weight per meter
(dn) Max 5dn Min 4.75dn Minimum outer width W Minimum inner width W （t） (KN) (KN) (Kg)
5 25 24 18 6.3 0.63 12.4 24.8 0.54
6.3 32 30 22 7.9 1 19.7 39.4 0.88
7.1 36 34 25 8.9 1.25 25 50 1.1
8 40 38 28 10 1.6 31.7 63.4 1.43
9 45 43 32 11.3 2 40.1 80.2 1.86
10 50 47 35 12.5 2.5 49.5 99 2.28
11.2 56 53 39 14 3.2 63 126 2.82
12.5 63 59 44 15.7 4 79 158 3.5
14 70 66 49 18 5 99 198 4.32
16 80 76 56 20 6.3 127 254 5.67
18 90 85 63 23 8 161 322 7.4
20 100 95 70 25 10 198 396 9.2
22.4 112 106 78 28 12.5 249 498 11.3
25 125 119 88 32 16 314 628 14.7
28 140 133 98 35 20 393 786 17.6
32 160 152 112 40 25 507 1014 24.2
36 180 171 126 45 32 642 1284 31.2
40 200 190 140 50 40 792 1584 38.7
45 225 214 158 57 50 1002 2004 48.8