strict welding craft, definitely material quality ,304/316/202,NI4,NI6,and other quality standard and nonstandard,either is ok
The japanese standard chain is the usual type of the chain.EX: 27*7-5 means the inside length and inside width with the 5MM wire diametre.This type of chain is mainly used in the protecting projects,decorating projects,conections,low required drag and so on.
material : 201 202 301 304 and other
technology: stamping process and argon-arc welding
polish technology : barrel abrasive polishing
with independent researched testing machine that can affiliate each product the chemical compositon and mechanical property certification
| DIA | INSIDE LENGTH | INSIDE WIDTH | WEIGHT/M |
| 2 | 12 | 3.5 | 0.07 |
| 3 | 24 | 5 | 0.15 |
| 4 | 29 | 7 | 0.27 |
| 5 | 27 | 7 | 0.44 |
| 6 | 31 | 9 | 0.65 |
| 6 | 24 | 9 | 0.72 |
| 7 | 37 | 10 | 0.88 |
| 7 | 28 | 10 | 0.96 |
| 8 | 38 | 11 | 1.18 |
| 8 | 32 | 12 | 1.27 |
| 9 | 39 | 13 | 1.55 |
| 9 | 36 | 14 | 1.61 |
| 10 | 42 | 15 | 1.95 |
| 12 | 54 | 20 | 2.77 |
| 12 | 48 | 19 | 2.88 |
japanese standard stainless steel chain
