Product Introduction:
Material :high-quality alloy steel ( 20Mn2
,20MnV,25MnV and imports of alloy steel ) ;
Manufacturing standards in line with the standard JB/T8108.1-1999
of lifting short chain;
Strength grade : M(4) ,S(6) ,T(8);
Security assurances: four-fold safety factor, 2.5 proof load.
Elongation of chain breaking ≥ 17%
Main Parameter:
angle |
|
|
|
| 0°-90° | 90°-120 | 0°-90° | 90°-120 |
Ratio factor | 1 | 0.8 | 4 | 1.6 | 1.4 | 1 | 1.12 | 0.8 |
6 | 1.0 | 0.8 | 4.0 | 1.6 | 1.4 | 1.0 | 1.1 | 0.8 |
8 | 2.0 | 1.6 | 8.0 | 3.2 | 2.8 | 2.0 | 2.0 | 1.6 |
10 | 3.2 | 2.5 | 12.5 | 5.0 | 4.5 | 3.2 | 3.6 | 2.5 |
12 | 4.6 | 3.6 | 18.4 | 7.3 | 6.5 | 4.6 | 5.2 | 3.6 |
14 | 6.2 | 5.0 | 24.8 | 9.9 | 8.7 | 6.2 | 6.9 | 5.0 |
16 | 8.0 | 6.4 | 32 | 12.8 | 11.2 | 8.0 | 8.8 | 6.4 |
18 | 10.0 | 8.0 | 40 | 16 | 14 | 10 | 11 | 8.0 |
20 | 12.5 | 10 | 50 | 20 | 17.5 | 12.5 | 13.7 | 10 |
22 | 15 | 12 | 60 | 24 | 21.2 | 15 | 17 | 12 |
24 | 18 | 14.4 | 72 | 28.8 | 25.2 | 18 | 20.2 | 14.4 |
26 | 21.3 | 17.0 | 85.2 | 34.1 | 29.8 | 21.3 | 23.4 | 17 |
30 | 28.2 | 22.6 | 112.8 | 45.1 | 39.5 | 28.2 | 31.6 | 22.6 |
32 | 32.1 | 25.6 | 128.4 | 51.3 | 44.9 | 32.1 | 35.3 | 25.6 |
34 | 36.2 | 28.9 | 144.8 | 57.9 | 50.7 | 36.2 | 40.5 | 28.9 |
36 | 40 | 32 | 160 | 64 | 56 | 40 | 44 | 32 |
38 | 55.5 | 44.4 | 222 | 88.8 | 77.7 | 55.5 | 61 | 44.4 |
