Grade 80 Galvanized Welded Link Chain

Specifications
G80 welded link chain:
1.6mm-22mm welded chains
2. 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 Korea, Canada, Colombia, Italy, South Africa, United State etc.
1) Grade: G80, G70, G60, G43, G30 welded link chain
2) Surface treatment: Self color, black oxide, electro galvanized, hot dip galvanized, black painted etc.
3) Material: 20Mn2, 25Mnv, 23MnNiMoCr54, Q235
4) 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 chain 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 chain (GB/T20947-2007 Standard or EN818-2 Standard):