Description:
Welded link chain:1.6mm-22mm g80 link chains
2.Material:20Mn2 or 25Mnv
3.Automatic bending & welding machine
Grade80 welded link chains:
We are anexperienced factory to manufacture Grade 80 welded chains, ordinarysteel link chains, G70 transport chains, Grade"C" mining chains,short or long link chain, G30 proof link coil chain, straight linkcoil chains, snow chains, chain block, lever block etc.
1) Grade: Grade 80 welded link chains
2) Surface treatment: Self color, black oxide, electro whitegalvanized, electro yellow galvanized etc.
3) Material: 20Mn2, 25Mnv, 23MnNiMoCr54
4) Standard: National Standard (GB/T20947-2007), InternationalStandard (ISO3077-2001), American Standard (NACM, ASTM), EuropeanStandard (EN818), AS/NZS Standard
Workingprocess of grade 80 welded link chains:
1.Receive the purchase order 2. Productrequirement 3.Buy raw material 4. Inspect raw material 5.Store raw material 6. Wire rod drawing 7. Bending 8. Trimming andwelding 9.Check surface 10. Sampling and breaking test 11.Calibration 12. Heattreatment 13. Proof load test 14. Black oxide, zinc plated and hot dipgalvanized 15. Sampling and breakingtest 16. Cutting 17.Final inspection 18. Packing 19. After-sale service
Website:www.hnzxqz.com.cn Tel:0086-373-8791276 Mobile:0086-15294895643 Skype: bioneer88
Technicalparameter of G80 welded link chains (GB/T20947-2007Standard ):
Size d xp mm | Width | ApproxWeight Kg/m | WorkingLoad Limit t | TestLoad KN | BreakingLoad min. KN | |
Insidemin. a | Outsidemax. 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 |
Automaticproduction machine:


