Quality Inspection for Crane Lifting Chains - Lifting Chain – Dia 24mm EN 818-2 Grade 80 (G80) chains – Chigong
Quality Inspection for Crane Lifting Chains - Lifting Chain – Dia 24mm EN 818-2 Grade 80 (G80) chains – Chigong Detail:
Category
Application
Lifting and lashing, loads lifting, loads binding
Chain Parameter
SCIC Grade 80 (G80) chains for lifting are made as per EN 818-2 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 80 chain link dimensions
Table 1: Grade 80 (G80) chain dimensions, EN 818-2
|
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 80 (G80) chain mechanical properties, EN 818-2
|
diameter |
working load limit |
manufacturing proof force |
min. breaking force |
|
6 |
1.12 |
28.3 |
45.2 |
|
7 |
1.5 |
38.5 |
61.6 |
|
8 |
2 |
50.3 |
80.4 |
|
10 |
3.15 |
78.5 |
126 |
|
13 |
5.3 |
133 |
212 |
|
16 |
8 |
201 |
322 |
|
18 |
10 |
254 |
407 |
|
19 |
11.2 |
284 |
454 |
|
20 |
12.5 |
314 |
503 |
|
22 |
15 |
380 |
608 |
|
23 |
16 |
415 |
665 |
|
24 |
18 |
452 |
723 |
|
25 |
20 |
491 |
785 |
|
26 |
21.2 |
531 |
850 |
|
28 |
25 |
616 |
985 |
|
30 |
28 |
706 |
1130 |
|
32 |
31.5 |
804 |
1290 |
|
36 |
40 |
1020 |
1630 |
|
38 |
45 |
1130 |
1810 |
|
40 |
50 |
1260 |
2010 |
|
45 |
63 |
1590 |
2540 |
|
48 |
72 |
1800 |
2890 |
|
50 |
78.5 |
1963 |
3140 |
|
notes: total ultimate elongation at breaking force is min. 20%; |
|||
| 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 |
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No matter new customer or previous client, We believe in prolonged time period and trustworthy relationship for Quality Inspection for Crane Lifting Chains - Lifting Chain – Dia 24mm EN 818-2 Grade 80 (G80) chains – Chigong, The product will supply to all over the world, such as: Afghanistan, Cape Town, Nepal, Our professional engineering group will always be ready to serve you for consultation and feedback. We are able to also offer you with absolutely free samples to meet your requirements. Finest efforts will likely be produced to give you the ideal service and goods. For anyone who is thinking about our company and merchandise, please contact us by sending us emails or contact us quickly. As a way to know our merchandise and firm. lot more, you can come to our factory to find out it. We'll always welcome guests from all over the world to our business to build company relations with us. Please feel free to get in touch with us for business and we believe we are going to share the top trading practical experience with all our merchants.
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