For some sizes example with thickness tolerance
| 
					 1  | 
				
					 Section Size (mm)  | 
				
					 Tolerance  | 
				
					 Section Size (mm)  | 
				
					 Tolerance  | 
				
					 Section Size (mm)  | 
				
					 Tolerance  | 
				
					 
  | 
				
					 
  | 
			
| 
					 Width≤50  | 
				
					 Width>50~60  | 
				
					 Width>60~70  | 
				
					 
  | 
				
					 
  | 
			||||
| 
					 Thickness  | 
				
					 6~8  | 
				
					 ±0.15  | 
				
					 6~7  | 
				
					 ±0.15  | 
				
					 6~7  | 
				
					 ±0.18  | 
				
					 
  | 
				
					 
  | 
			
| 
					 >8~12  | 
				
					 ±0.18  | 
				
					 >7~9  | 
				
					 ±0.18  | 
				
					 >7~12  | 
				
					 ±0.20  | 
				
					 
  | 
				
					 
  | 
			|
| 
					 >12~20  | 
				
					 ±0.20  | 
				
					 >9~20  | 
				
					 ±0.20  | 
				
					 >12~20  | 
				
					 ±0.25  | 
				
					 
  | 
				
					 
  | 
			|
| 
					 >20~30  | 
				
					 ±0.20  | 
				
					 >20~30  | 
				
					 ±0.25  | 
				
					 >20~30  | 
				
					 ±0.30  | 
				
					 
  | 
				
					 
  | 
			|
| 
					 >30  | 
				
					 -  | 
				
					 >30  | 
				
					 -  | 
				
					 >30  | 
				
					 ±0.30  | 
				
					 
  | 
				
					 
  | 
			|
| 
					 Width  | 
				
					 ≤50  | 
				
					 ±0.55  | 
				
					 >50~60  | 
				
					 ±0.60  | 
				
					 >60~70  | 
				
					 ±0.75  | 
				
					 
  | 
				
					 
  | 
			
| 
					 2  | 
				
					 Section Size (mm)  | 
				
					 Tolerance  | 
				
					 Section Size (mm)  | 
				
					 Tolerance  | 
				
					 Section Sze (mm)  | 
				
					 Tolerance  | 
				
					 Section Size (mm)  | 
				
					 Tolerance  | 
			
| 
					 Width>70~80  | 
				
					 Width>80~90  | 
				
					 Width>90~100  | 
				
					 Width>100  | 
			|||||
| 
					 Thickness  | 
				
					 
  | 
				
					 
  | 
				
					 
  | 
				
					 
  | 
				
					 
  | 
				
					 
  | 
				
					 8~10  | 
				
					 ±0.20  | 
			
| 
					 7~12  | 
				
					 ±0.20  | 
				
					 7~12  | 
				
					 ±0.20  | 
				
					 7~12  | 
				
					 ±0.20  | 
				
					 >10~12  | 
				
					 ±0.25  | 
			|
| 
					 >12~20  | 
				
					 ±0.25  | 
				
					 >12~20  | 
				
					 ±0.25  | 
				
					 >12~20  | 
				
					 ±0.25  | 
				
					 >12~20  | 
				
					 ±0.30  | 
			|
| 
					 >20~30  | 
				
					 ±0.30  | 
				
					 >20~30  | 
				
					 ±0.30  | 
				
					 >20~30  | 
				
					 ±0.30  | 
				
					 >20~30  | 
				
					 ±0.35  | 
			|
| 
					 >30  | 
				
					 ±0.35  | 
				
					 >30  | 
				
					 ±0.35  | 
				
					 >30  | 
				
					 ±0.35  | 
				
					 >30  | 
				
					 ±0.40  | 
			|
| 
					 Width  | 
				
					 >70~80  | 
				
					 ±0.80  | 
				
					 >80~90  | 
				
					 ±0.80  | 
				
					 >90~100  | 
				
					 ±0.80  | 
				
					 >100  | 
				
					 ±1.0  | 
			
For some sizes example with thickness tolerance
| 
					 1  | 
				
					 Section Size (mm)  | 
				
					 Tolerance  | 
				
					 Section Size (mm)  | 
				
					 Tolerance  | 
				
					 Section Size (mm)  | 
				
					 Tolerance  | 
				
					 
  | 
				
					 
  | 
			
| 
					 Width≤50  | 
				
					 Width>50~60  | 
				
					 Width>60~70  | 
				
					 
  | 
				
					 
  | 
			||||
| 
					 Thickness  | 
				
					 6~8  | 
				
					 ±0.15  | 
				
					 6~7  | 
				
					 ±0.15  | 
				
					 6~7  | 
				
					 ±0.18  | 
				
					 
  | 
				
					 
  | 
			
| 
					 >8~12  | 
				
					 ±0.18  | 
				
					 >7~9  | 
				
					 ±0.18  | 
				
					 >7~12  | 
				
					 ±0.20  | 
				
					 
  | 
				
					 
  | 
			|
| 
					 >12~20  | 
				
					 ±0.20  | 
				
					 >9~20  | 
				
					 ±0.20  | 
				
					 >12~20  | 
				
					 ±0.25  | 
				
					 
  | 
				
					 
  | 
			|
| 
					 >20~30  | 
				
					 ±0.20  | 
				
					 >20~30  | 
				
					 ±0.25  | 
				
					 >20~30  | 
				
					 ±0.30  | 
				
					 
  | 
				
					 
  | 
			|
| 
					 >30  | 
				
					 -  | 
				
					 >30  | 
				
					 -  | 
				
					 >30  | 
				
					 ±0.30  | 
				
					 
  | 
				
					 
  | 
			|
| 
					 Width  | 
				
					 ≤50  | 
				
					 ±0.55  | 
				
					 >50~60  | 
				
					 ±0.60  | 
				
					 >60~70  | 
				
					 ±0.75  | 
				
					 
  | 
				
					 
  | 
			
| 
					 2  | 
				
					 Section Size (mm)  | 
				
					 Tolerance  | 
				
					 Section Size (mm)  | 
				
					 Tolerance  | 
				
					 Section Sze (mm)  | 
				
					 Tolerance  | 
				
					 Section Size (mm)  | 
				
					 Tolerance  | 
			
| 
					 Width>70~80  | 
				
					 Width>80~90  | 
				
					 Width>90~100  | 
				
					 Width>100  | 
			|||||
| 
					 Thickness  | 
				
					 
  | 
				
					 
  | 
				
					 
  | 
				
					 
  | 
				
					 
  | 
				
					 
  | 
				
					 8~10  | 
				
					 ±0.20  | 
			
| 
					 7~12  | 
				
					 ±0.20  | 
				
					 7~12  | 
				
					 ±0.20  | 
				
					 7~12  | 
				
					 ±0.20  | 
				
					 >10~12  | 
				
					 ±0.25  | 
			|
| 
					 >12~20  | 
				
					 ±0.25  | 
				
					 >12~20  | 
				
					 ±0.25  | 
				
					 >12~20  | 
				
					 ±0.25  | 
				
					 >12~20  | 
				
					 ±0.30  | 
			|
| 
					 >20~30  | 
				
					 ±0.30  | 
				
					 >20~30  | 
				
					 ±0.30  | 
				
					 >20~30  | 
				
					 ±0.30  | 
				
					 >20~30  | 
				
					 ±0.35  | 
			|
| 
					 >30  | 
				
					 ±0.35  | 
				
					 >30  | 
				
					 ±0.35  | 
				
					 >30  | 
				
					 ±0.35  | 
				
					 >30  | 
				
					 ±0.40  | 
			|
| 
					 Width  | 
				
					 >70~80  | 
				
					 ±0.80  | 
				
					 >80~90  | 
				
					 ±0.80  | 
				
					 >90~100  | 
				
					 ±0.80  | 
				
					 >100  | 
				
					 ±1.0  | 
			
