GB/T6728標準中對不銹鋼無縫方管的公差要求
GB/T6728標準中對不銹鋼無縫方管的公差要求
| 
					 邊長 /mm  | 
				
					 尺寸允許偏差 /mm  | 
				
					 壁厚 /mm  | 
				
					 理論質量 /(kg/m)  | 
				
					 截面面積 /cm2  | 
				
					 邊長 /mm  | 
				
					 尺寸允許偏差  | 
				
					 壁厚 t/mm  | 
				
					 理論質量 /(kg/m)  | 
				
					 截面面積 /cm2  | 
			|||
| 
					 A  | 
				
					 普通精度  | 
				
					 較高精度  | 
				
					 
  | 
				
					 
  | 
				
					 
  | 
				
					 A  | 
				
					 普通精度  | 
				
					 較高精度  | 
				
					 
  | 
				
					 
  | 
				
					 
  | 
			|
| 
					 25  | 
				
					 ±O.60  | 
				
					 ±0.30  | 
				
					 1.2  | 
				
					 0.867  | 
				
					 1.105  | 
				
					 80  | 
				
					 ±1.40  | 
				
					 ±O.70  | 
				
					 3.0  | 
				
					 7.071  | 
				
					 9.008  | 
			|
| 
					 1.5  | 
				
					 1.06l  | 
				
					 1.352  | 
				
					 4.0  | 
				
					 9.222  | 
				
					 11.747  | 
			|||||||
| 
					 1.75  | 
				
					 1.215  | 
				
					 1.548  | 
				
					 5.O  | 
				
					 11.209  | 
				
					 14.356  | 
			|||||||
| 
					 2.0  | 
				
					 1.363  | 
				
					 1.736  | 
				
					 90  | 
				
					 ±1.50  | 
				
					 ±0.75  | 
				
					 3.O  | 
				
					 8.013  | 
				
					 10.208  | 
			||||
| 
					 30  | 
				
					 2.5  | 
				
					 2.032  | 
				
					 2.589  | 
				
					 4.O  | 
				
					 lO.478  | 
				
					 13.347  | 
			||||||
| 
					 3.0  | 
				
					 2.361  | 
				
					 3.008  | 
				
					 5.0  | 
				
					 12.839  | 
				
					 16.356  | 
			|||||||
| 
					 40  | 
				
					 ±0.80  | 
				
					 ±O.40  | 
				
					 2.5  | 
				
					 2.817  | 
				
					 3.589  | 
				
					 6.O  | 
				
					 15.097  | 
				
					 19.232  | 
			||||
| 
					 3.0  | 
				
					 3.303  | 
				
					 4.208  | 
				
					 100  | 
				
					 ±1.60  | 
				
					 ±0.80  | 
				
					 4.O  | 
				
					 11.734  | 
				
					 14.947  | 
			||||
| 
					 5.O  | 
				
					 14.409  | 
				
					 18.356  | 
			||||||||||
| 
					 4.0  | 
				
					 4.198  | 
				
					 5.347  | 
				
					 6.O  | 
				
					 16.98l  | 
				
					 21.632  | 
			|||||||
| 
					 50  | 
				
					 ±1.00  | 
				
					 ±0.50  | 
				
					 2.5  | 
				
					 3.602  | 
				
					 4.589  | 
				
					 120  | 
				
					 ±1.80  | 
				
					 ±O.90  | 
				
					 4.O  | 
				
					 14.246  | 
				
					 18.147  | 
			|
| 
					 3.O  | 
				
					 4.245  | 
				
					 5.408  | 
				
					 5.0  | 
				
					 17.549  | 
				
					 22.356  | 
			|||||||
| 
					 6.O  | 
				
					 20.749  | 
				
					 26.432  | 
			||||||||||
| 
					 4.O  | 
				
					 5.454  | 
				
					 6.947  | 
				
					 8.O  | 
				
					 26.840  | 
				
					 34.19l  | 
			|||||||
| 
					 60  | 
				
					 ±1.20  | 
				
					 ±0.60  | 
				
					 2.5  | 
				
					 4.387  | 
				
					 5.589  | 
				
					 140  | 
				
					 ±2.00  | 
				
					 ±1.00  | 
				
					 4.O  | 
				
					 16.758  | 
				
					 21.347  | 
			|
| 
					 3.0  | 
				
					 5.187  | 
				
					 6.608  | 
				
					 5.0  | 
				
					 20.689  | 
				
					 26.356  | 
			|||||||
| 
					 4.0  | 
				
					 6.7lO  | 
				
					 8.547  | 
				
					 6.O  | 
				
					 24.517  | 
				
					 31.232  | 
			|||||||
| 
					 8.O  | 
				
					 31.864  | 
				
					 40.59l  | 
			||||||||||
| 
					 5.0  | 
				
					 8.129  | 
				
					 10.356  | 
				
					 160  | 
				
					 ±2.40  | 
				
					 ±1.20  | 
				
					 4.0  | 
				
					 19.270  | 
				
					 24.547  | 
			||||
| 
					 70  | 
				
					 3.O  | 
				
					 6.129  | 
				
					 7.808  | 
				
					 5.O  | 
				
					 23.829  | 
				
					 30.356  | 
			||||||
| 
					 4.O  | 
				
					 7.966  | 
				
					 10.147  | 
				
					 6.O  | 
				
					 28.285  | 
				
					 36.032  | 
			|||||||
| 
					 5.0  | 
				
					 9.699  | 
				
					 12.356  | 
				
					 8.0  | 
				
					 36.888  | 
				
					 46.99l  | 
			|||||||
我廠專業生產各種材質的不銹鋼無縫方管,歡迎來廠考察洽談業務,銷售電話:13901424163陳經理。