| Diameter Tolerance of Steel Wire |
|
Diameter of steel wire (mm) |
Grade tolerance | |
| h10 | h11 | h12 |
| Tolerance (mm) | ||
| 0.20-0.30 |
|
YB/T5220-1993 Round cold-drawing carbon spring steel wire for non-mechanical spring of furniture,autom obile seat and cushion, |