| Table1   Plainness Tolerance | 
| Provided Minimum Yield StrengthMPa
 | Normal Width | Plainness (mm) for the nominal thicknessas shown below
 | 
| Common precise PF. A | High-level precise PF. B | 
| < 0.70 | 0.70-1.60 | 1.6-3.0 | < 0.70 | 0.70-1.60 | 1.6-3.0 | 
| 260-< 360 | < 1200 | 13 | 10 | 10 | 8 | 6 | 5 | 
| Table2   Thickness Tolerance | 
| Nominal thickness | Thickness tolerance while the widths are showed as follows | 
| Common precise PT. A | High-level precision PT. B | 
|  | ≤ 1200 | 1200-1500 | > 1500 | ≤ 1200 | 1200-1500 | > 1500 | 
| 0.30-0.40 | ± 0.05 | ± 0.06 | ± 0.07 | ± 0.035 | ± 0.040 | ± 0.045 | 
| 0.40-0.60 | ± 0.05 | ± 0.06 | ± 0.07 | ± 0.040 | ± 0.045 | ± 0.050 | 
| 0.60-0.80 | ± 0.06 | ± 0.07 | ± 0.08 | ± 0.045 | ± 0.050 | ± 0.060 | 
| Table3   Width Tolerance | 
| Nominal width | Width tolerance | 
|  | Common precise PW. A | High-level precision PW. B | 
| ≤ 1200 | 0-+5 | 0-+2 | 
| 1200-1500 | 0-+6 | 0-+2 | 
| > 1500 | 0-+7 | 0-+3 |