Quality Inspection for Low Profile Chain Hoist - Hoist Chain – Chigong
Quality Inspection for Low Profile Chain Hoist - Hoist Chain – Chigong Detail:
Category
Lifting and lashing, hoisting chain,short link chain, round link chain lifting,Grade T chain, Grade DAT chain,Grade DT chain, DIN EN 818-7short link chain for lifting purposes,fine tolerance hoist chain,alloy steel chain
Application
Lifting and lashing, loads lifting, loads binding
Figure 1: hoist chain / links
Key
| 1 | Traverse centre line of the link | l | is the multiple pitch length |
| p | is the pitch | dm | is the material diameter as measured |
| ds | is the weld diameter | e | is the length dimensionally affected by welding |
| w3 | is the internal width at the weld | w2 | is the external width over the weld |
Table 1: hoist chain / link dimensions (mm)
|
Nominal size dn |
Material diameter tolerance |
Pitch |
Width |
Gauge length of 11 x pn |
Weld diameter ds max. |
|||
|
pn |
tolerance1) |
internal w3 min. |
external w2 max. |
l |
tolerance1) |
|||
|
4 |
± 0.2 |
12 |
0.25 |
4.8 |
13.6 |
132 |
0.6 |
4.3 |
|
5 |
± 0.2 |
15 |
0.3 |
6.0 |
17.0 |
165 |
0.8 |
5.4 |
|
6 |
± 0.2 |
18 |
0.35 |
7.2 |
20.4 |
198 |
1.0 |
6.5 |
|
7 |
± 0.3 |
21 |
0.4 |
8.4 |
23.8 |
231 |
1.1 |
7.6 |
|
8 |
± 0.3 |
24 |
0.5 |
9.6 |
27.2 |
264 |
1.3 |
8.6 |
|
9 |
± 0.4 |
27 |
0.5 |
10.8 |
30.6 |
297 |
1.4 |
9.7 |
|
10 |
± 0.4 |
30 |
0.6 |
12.0 |
34.0 |
330 |
1.6 |
10.8 |
|
11 |
± 0.4 |
33 |
0.6 |
13.2 |
37.4 |
363 |
1.7 |
11.9 |
|
12 |
± 0.5 |
36 |
0.7 |
14.4 |
40.8 |
396 |
1.9 |
13.0 |
|
13 |
± 0.5 |
39 |
0.8 |
15.6 |
44.2 |
429 |
2.1 |
14.0 |
|
14 |
± 0.6 |
42 |
0.8 |
16.8 |
47.6 |
462 |
2.2 |
15.1 |
|
16 |
± 0.6 |
48 |
0.9 |
19.2 |
54.4 |
528 |
2.5 |
17.3 |
|
18 |
± 0.9 |
54 |
1.0 |
21.6 |
61.2 |
594 |
2.9 |
19.4 |
|
20 |
± 1.0 |
60 |
1.2 |
24.0 |
68.0 |
660 |
3.2 |
21.6 |
|
22 |
± 1.1 |
66 |
1.3 |
26.4 |
74.8 |
726 |
3.5 |
23.8 |
|
1) These tolerances are usually divided into + 2/3 and – 1/3 for both the individual link and the standard gauge length. |
||||||||
Table 2: hoist chain working load limit (WLL)
|
Nominal size dn mm |
Chain type T t |
Chain type DAT t |
Chain type DT t |
|
4 5 6 |
0.5 0.8 1.1 |
0.4 0.63 0.9 |
0.25 0.4 0.56 |
|
7 8 9 |
1.5 2 2.5 |
1.2 1.6 2 |
0.75 1 1.25 |
|
10 11 12 |
3.2 3.8 4.5 |
2.5 3 3.6 |
1.6 1.9 2.2 |
|
13 14 16 |
5.3 6 8 |
4.2 5 6.3 |
2.6 3 4 |
|
18 20 22 |
10 12.5 15 |
8 10 12.5 |
5 6.3 7.5 |
|
mean stress N/mm2 |
200 |
160 |
100 |
Table 3: hoist chain manufacturing proof forces and breaking forces
|
Nominal size dn mm |
Manufacturing proof force (MPF) kN min. |
Breaking force (BF) kN min. |
|
4 |
12.6 |
20.1 |
|
5 |
19.6 |
31.4 |
|
6 |
28.3 |
45.2 |
|
7 |
38.5 |
61.6 |
|
8 |
50.3 |
80.4 |
|
9 |
63.6 |
102 |
|
10 |
78.5 |
126 |
|
11 |
95 |
152 |
|
12 |
113 |
181 |
|
13 |
133 |
212 |
|
14 |
154 |
246 |
|
16 |
201 |
322 |
|
18 |
254 |
407 |
|
20 |
314 |
503 |
|
22 |
380 |
608 |
Table 4: total ultimate elongation and surface hardness
|
|
hoist chain types |
||
|
T |
DAT |
DT |
|
|
Total ultimate elongation A %min |
10 |
10 |
5 |
|
Surface hardness min dn < 7 mm, HV 5 dn = 7 mm to 11 mm, HV 10 dn > 11 mm, HV 10 |
360 360 360 |
500 500 450 |
550 550 500 |
Product detail pictures:
Related Product Guide:
Dedicated to strict top quality command and considerate purchaser support, our experienced staff customers are always available to discuss your necessities and be certain full client gratification for Quality Inspection for Low Profile Chain Hoist - Hoist Chain – Chigong, The product will supply to all over the world, such as: French, Kenya, Hanover, Our company sticks to the principle of "high quality, reasonable price and timely delivery". We sincerely hope to establish good cooperative relationships with our new and old business partners from all parts of the world. We hope to work with you and serve you with our excellent goods and services. Welcome to join us!
By Dinah from St. Petersburg - 2017.12.09 14:01
The company has rich resources, advanced machinery, experienced workers and excellent services, hope you keep improving and perfecting your products and service, wish you better!
By Deborah from Costa rica - 2017.07.28 15:46
