Alloy Welded Link Chain, Brand Name : Xinfeng

We are offering g80 welded link chain for lifting purpose.
detailed product description:
black g80 alloy welded link chain:
1.6mm-22mm chains
2.material:20mn2 or 25mnv
4.automatic production machines
5.grade 80 welded link chains
introduction:
1.we are an experienced factory to manufacture link chains for 20 years
2.the chain grade includes g80, g70, g60, g43, g30 etc.
3.surface treatment: self color, blackened, painted, electro galvanized, hot dip galvanized, painted etc.
4. We can produce the load chains according to national standard, german standard, and australia standard etc
5.the customized chain is also welcomed
6.standard: national standard (gb/t20947-2007), international standard (iso3077-2001), american standard (nacm, astm), european standard (en818), as/nzs standard
working procedures for grade 80 link chains:
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. Weaving
8.welding
9.check surface
10. Sampling and breaking test
11.calibration
12. Heat treatment
13. Proof load test
14. Black oxide or painted
15. Sampling and breaking test
16. Cutting
17. Final inspection
18. Packing
19. After-sale service