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Help CenterGrade 80 Welded Link Chain for Lifting Purpose
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Specifications
1.6mm-22mm short link chains2.Material:20Mn2 or 25Mnv
3.Automatic bending & welding machine
Grade 80 welded link chain for lifting purpose:
We are an experienced factory to manufacture G80 welded link chains for lifting purpose, such as for chain hoist, lever hoist, electric chain hoist, chain sling etc, also to make load chains, ordinary steel link chains, G70 transport chains, Grade"C" mining chains, short or long link chain, G30 proof link coil chain, straight link coil chains, snow chains, chain block, lever block and electric hoist for more than 20 years; we produce grade 80 welded link chains by automatic bending, trimming and welding machines, and automatic test machine, and the quality is strict controled by our engineers and each lot link chains will be issued mill test report. Our link chains have been exported to russia,Korea, Canada, Colombia, Italy, South Africa, United State etc.
1) Surface treatment: Self color, black oxide, electro galvanized, hot dip galvanized, black painted etc.
2) Material: 20Mn2, 25Mnv, 23MnNiMoCr54, Q235
3) Standard: National Standard (GB/T20947-2007), International Standard (ISO3077-2001), American Standard (NACM, ASTM), European Standard (EN818), AS/NZS Standard
Working process of grade 80 link chains for lifting purpose:
1. Receive the purchase order 2. Product requirement 3.Buy raw material 4. Inspect raw material 5. Store raw material 6. Wire rod drawing 7. Bending 8. Trimming and welding 9.Check surface 10. Sampling and breaking test 11.Calibration 12. Heat treatment 13. Proof load test 14. Black oxide, zinc plated and hot dip galvanized 15. Sampling and breaking test 16. Cutting 17. Final inspection 18. Packing 19. After-sale service
Technical parameter of G80 welded link chains (GB/T20947-2007 Standard or EN818-2 Standard):
|
Size d x p mm |
Width |
Approx Weight Kg/m |
Working Load Limit t |
Test Load KN |
Breaking Load min. KN |
|
|
Inside min. a |
Outside max. b |
|||||
6X8 |
7.5 |
21 |
0.79 |
1.1 |
27 |
45.2 |
7x21 |
9 |
24.5 |
1.07 |
1.5 |
37 |
61.6 |
8x24 |
10 |
28 |
1.38 |
2 |
48 |
80.4 |
10x30 |
12.5 |
35 |
2.2 |
3.2 |
76 |
125 |
11x43 |
12.6 |
36.5 |
2.33 |
3.8 |
92 |
154 |
12x36 |
15 |
42 |
3.1 |
4.6 |
109 |
181 |
12.5x38 |
15.5 |
42.2 |
3.3 |
4.9 |
117 |
196 |
13x39 |
16.3 |
46 |
3.8 |
5 |
128 |
214 |
14x42 |
18 |
49 |
4.13 |
6.3 |
150 |
250 |
14x50 |
17 |
48 |
4 |
6.3 |
150 |
250 |
15x46 |
20 |
52 |
5.17 |
7 |
168 |
280 |
16x48 |
20 |
56 |
5.63 |
8 |
192 |
320 |
16x49 |
24.5 |
59.5 |
5.71 |
8 |
192 |
320 |
16x64 |
23.9 |
58.9 |
5.11 |
8 |
192 |
320 |
18x54 |
23 |
63 |
6.85 |
10 |
246 |
410 |
18x64 |
21 |
60 |
6.6 |
10 |
246 |
410 |
19x57 |
23.7 |
63.2 |
7.7 |
11.3 |
270 |
450 |
20x60 |
25 |
70 |
8.6 |
12.5 |
300 |
500 |
22x65 |
28 |
74.2 |
10.7 |
15.3 |
366 |
610 |
22x66 |
28 |
77 |
10.2 |
15.3 |
366 |
610 |
22x86 |
26 |
74 |
9.5 |
15.3 |
366 |
610 |
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