Lifting Chains – Dia 25mm EN 818-2, AS2321, ASTM A973-21, NACM Grade 100 (G100) Chain
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Chain Parameter
SCIC Grade 100 (G100) chains for lifting are made as per ASTM A973 / A973M-21 standards, with nickel chromium molybdenum manganese alloy steel per DIN 17115 standards; well designed / monitored welding & heat-treatment ensure chains mechanical properties including test force, breaking force, elongation & hardness.
Figure 1: Grade 100 chain dimensions
Table 1: Grade 100 (G100) chain dimensions
diameter |
pitch |
width |
unit weight |
|||
nominal |
tolerance |
p (mm) |
tolerance |
inner W1 |
outer W2 |
|
6 |
± 0.24 |
18 |
± 0.5 |
7.8 |
22.2 |
0.8 |
7 |
± 0.28 |
21 |
± 0.6 |
9.1 |
25.9 |
1.1 |
8 |
± 0.32 |
24 |
± 0.7 |
10.4 |
29.6 |
1.4 |
10 |
± 0.4 |
30 |
± 0.9 |
13 |
37 |
2.2 |
13 |
± 0.52 |
39 |
± 1.2 |
16.9 |
48.1 |
4.1 |
16 |
± 0.64 |
48 |
± 1.4 |
20.8 |
59.2 |
6.2 |
18 |
± 0.9 |
54 |
± 1.6 |
23.4 |
66.6 |
8 |
19 |
± 1 |
57 |
± 1.7 |
24.7 |
70.3 |
9 |
20 |
± 1 |
60 |
± 1.8 |
26 |
74 |
9.9 |
22 |
± 1.1 |
66 |
± 2.0 |
28.6 |
81.4 |
12 |
23 |
± 1.2 |
69 |
± 2.1 |
29.9 |
85.1 |
13.1 |
24 |
± 1.2 |
72 |
± 2.1 |
30 |
84 |
14.5 |
25 |
± 1.3 |
75 |
± 2.2 |
32.5 |
92.5 |
15.6 |
26 |
± 1.3 |
78 |
± 2.3 |
33.8 |
96.2 |
16.8 |
28 |
± 1.4 |
84 |
± 2.5 |
36.4 |
104 |
19.5 |
30 |
± 1.5 |
90 |
± 2.7 |
37.5 |
105 |
22.1 |
32 |
± 1.6 |
96 |
± 2.9 |
41.6 |
118 |
25.4 |
36 |
± 1.8 |
108 |
± 3.2 |
46.8 |
133 |
32.1 |
38 |
± 1.9 |
114 |
± 3.4 |
49.4 |
140.6 |
35.8 |
40 |
± 2 |
120 |
± 4.0 |
52 |
148 |
39.7 |
45 |
± 2.3 |
135 |
± 4.0 |
58.5 |
167 |
52.2 |
48 |
± 2.4 |
144 |
± 4.3 |
62.4 |
177.6 |
57.2 |
50 |
± 2.6 |
150 |
± 4.5 |
65 |
185 |
62 |
Table 2: Grade 100 (G100) chain mechanical properties
diameter |
working load limit |
manufacturing proof force |
min. breaking force |
6 |
1.4 |
36 |
57 |
7 |
1.9 |
48 |
77 |
8 |
2.5 |
63 |
101 |
10 |
4 |
98 |
157 |
13 |
6.7 |
166 |
265 |
16 |
10.3 |
251 |
402 |
18 |
12.5 |
318 |
509 |
19 |
14 |
354 |
567 |
20 |
16 |
393 |
628 |
22 |
19.4 |
475 |
760 |
23 |
20 |
519 |
831 |
24 |
23 |
566 |
905 |
25 |
25 |
614 |
982 |
26 |
26.5 |
664 |
1060 |
28 |
30.5 |
769 |
1230 |
30 |
35.5 |
884 |
1415 |
32 |
40.5 |
1006 |
1610 |
36 |
50 |
1272 |
2035 |
38 |
56.5 |
1420 |
2270 |
40 |
62.5 |
1571 |
2515 |
45 |
81 |
1988 |
3180 |
48 |
92 |
2263 |
3620 |
50 |
98 |
2453 |
3925 |
notes: total ultimate elongation at breaking force is min. 25%; |
changes of Working Load Limit in relation to temperature | |
Temperature (°C) | WLL % |
-40 to 200 | 100% |
200 to 300 | 90% |
300 to 400 | 75% |
over 400 | unacceptable |