| 
				Dimension 尺寸  | 
			
				Normal 一般要求  | 
			
				Premium 特殊要求  | 
		|
|---|---|---|---|
| 
				General Dimension 尺寸公差  | 
			
				 
					< 25mm  | 
			
				± 0.25 ± 0.4 ± 0.5 ± 0.7 ± 0.8% ± 1.0%  | 
			
				± 0.15 ± 0.30 ± 0.40 ± 0.50 ± 0.65 ± 0.8%  | 
		
| 
				Straightness 真直度公差  | 
			
				 
					< 50mm  | 
			
				± 0.25 ± 0.38 ± 0.5 ± 0.76  | 
			
				± 0.13 ± 0.25 ± 0.30 ± 0.37  | 
		
| 
				Flatness 真平度公差  | 
			
				< 25mm 25 ~ 50mm 50 ~ 100mm 100 ~ 150mm  | 
			
				± 0.2 ± 0.4 ± 0.64 ± 0.76  | 
			
				± 0.1 ± 0.15 ± 0.25 ± 0.38  | 
		
| 
				Concentricity 同心度公差  | 
			
				(Wall Thickness 6mm) 壁厚 6mm (Wall Thickness 12mm) 壁厚12mm  | 
			
				± 0.2 ± 0.3  | 
			
				± 0.1 ± 0.2  | 
		
| 
				Radius 半徑公差  | 
			
				< 50mm > 50mm  | 
			
				± 0.4 ± 0.8%  | 
			
				± 0.13 ± 0.6%  | 
		
| 
				Roundness 真圓度公差  | 
			
				13 mm 25 mm 38 mm 50 mm  | 
			
				± 0.13 ± 0.25 ± 0.3 ± 0.38  | 
			
				± 0.1 ± 0.15 ± 0.20 ± 0.25  | 
		
| 
				Roughness 表面光度  | 
			
				Carbon Steel 碳鋼 (300 Series S. S.) 300 系不銹鋼 (400 Series S. S.) 400 系不銹鋼  | 
			
				90 ~ 125RMS 90 ~ 125RMS 100 ~ 125RMS  | 
			
				60 ~ 90RMS 60 ~ 90RMS 60 ~ 100RMS  | 
		
| 
				 
					Minimum Wall Thickness  | 
			
				Carbon Steel 碳鋼 Stainless Steel 不銹鋼  | 
			1.5mm | 1.0mm | 
| 
				Weight Limit 重量限制  | 
			5g ~ 25kg | 5g ~ 35kg | |
| 
				Dimension Limit 尺寸限制  | 
			
				(below 300 * 300 * 300mm) 300 * 300* 300以內(nèi)  | 
			
				(below 350 * 350 * 350mm) 350 * 350* 350mm以內(nèi)  | 
		
 (mm)
| W | >= 2.5 | 4 | 6 | 8 | 10 | 16 | 20 | 24 | 
|---|---|---|---|---|---|---|---|---|
| L, D | <=5 | 8 | 20 | 32 | 46 | 80 | 120 | 150 | 
(mm)| D | Tmax | T,max | 
|---|---|---|
| 3-5 | 5-10 | 5 | 
| > 5-10 | > 10-30 | > 5-15 | 
| > 10-20 | > 30-60 | > 15-25 | 
| > 20-40 | > 60-120 | > 25-50 | 
| > 40-60 | > 120-200 | > 50-80 | 
| > 60-100 | > 200-300 | > 80-100 | 
| > 100 | > 300-350 | > 100-120 |