矿用流体输送电焊钢管的尺寸规格 
| 
 外径 
D /mm  | 
 壁  厚S/mm  |  
| 
 2.5  | 
 3.0  | 
 3.5  | 
 4.0  | 
 4.5  | 
 5.0  | 
 5.5  | 
 6.0  | 
 6.5  | 
 7.0  | 
 7.5  | 
 8.0  | 
 8.5  | 
 9.0  | 
 9.5  | 
 10  | 
 11  | 
 12  |  
| 
 理论质量/(kg/m)  |  
| 
 21.3  | 
 1.16  | 
 1.35  | 
 1.54  | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    |  
| 
 26.8  | 
 1.50  | 
 1.76  | 
 2.01  | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    |  
| 
 33  | 
 1.88  | 
 2.22  | 
 2.55  | 
 2.86  | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    |  
| 
 42  | 
 2.44  | 
 2.89  | 
 3.32  | 
 3.75  | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    |  
| 
 45  | 
 2.62  | 
 3.11  | 
 3.58  | 
 4.04  | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    |  
| 
 48  | 
 2.81  | 
 3.33  | 
 3.84  | 
 4.34  | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    |  
| 
 57  | 
 3.36  | 
 3.99  | 
 4.62  | 
 5.23  | 
 5.83  | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    |  
| 
 60  | 
 3.54  | 
 4.22  | 
 4.88  | 
 5.52  | 
 6.16  | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    |  
| 
 70  | 
 4.16  | 
 4.96  | 
 5.74  | 
 6.51  | 
 7.27  | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    |  
| 
 76  | 
 4.53  | 
 5.40  | 
 6.26  | 
 7.10  | 
 7.93  | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    |  
| 
 89  | 
    | 
 6.36  | 
 7.38  | 
 8.38  | 
 9.38  | 
 10.36  | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    |  
| 
 95  | 
    | 
 6.81  | 
 7.90  | 
 8.98  | 
 10.04  | 
 11.10  | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    |  
| 
 102  | 
    | 
 7.32  | 
 8.50  | 
 9.67  | 
 10.82  | 
 11.96  | 
 13.09  | 
 14.20  | 
 15.31  | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    |  
| 
 108  | 
    | 
 7.77  | 
 9.02  | 
 10.26  | 
 11.49  | 
 12.70  | 
 13.90  | 
 15.09  | 
 16.27  | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    |   
  
  
| 
 外径 
D /mm  | 
 壁  厚S/mm  |  
| 
 2.5  | 
 3.0  | 
 3.5  | 
 4.0  | 
 4.5  | 
 5.0  | 
 5.5  | 
 6.0  | 
 6.5  | 
 7.0  | 
 7.5  | 
 8.0  | 
 8.5  | 
 9.0  | 
 9.5  | 
 10  | 
 11  | 
 12  |  
| 
 理论质量/(kg/m)  |  
| 
 114  | 
    | 
    | 
 9.54  | 
 10.B5  | 
 12.15  | 
 13.44  | 
 14.72  | 
 15.98  | 
 17.23  | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    |  
| 
 121  | 
    | 
    | 
 10.14  | 
 11.54  | 
 12.93  | 
 14.30  | 
 15.67  | 
 17.02  | 
 18.35  | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    |  
| 
 127  | 
    | 
    | 
 10.66  | 
 12.13  | 
 13.59  | 
 15.04  | 
 16.48  | 
 17.90  | 
 19.31  | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    |  
| 
 133  | 
    | 
    | 
 11.18  | 
 12.72  | 
 14.26  | 
 15.78  | 
 17.29  | 
 18.79  | 
 20.28  | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    |  
| 
 140  | 
    | 
    | 
    | 
 13.42  | 
 15.04  | 
 16.65  | 
 18.24  | 
 19.83  | 
 21.40  | 
 22.96  | 
 24.51  | 
    | 
    | 
    | 
    | 
    | 
    | 
    |  
| 
 152  | 
    | 
    | 
    | 
 14.60  | 
 16.37  | 
 18.13  | 
 19.87  | 
 21.60  | 
 23.32  | 
 25.03  | 
 26.73  | 
    | 
    | 
    | 
    | 
    | 
    | 
    |  
| 
 159  | 
    | 
    | 
    | 
 15.29  | 
 17.14  | 
 18.99  | 
 20.82  | 
 22.64  | 
 24.44  | 
 22.64  | 
 26.24  | 
 28.02  | 
 29.79  | 
 31.55  | 
 33.29  | 
 35.02  | 
    | 
    |  
| 
 165  | 
    | 
    | 
    | 
    | 
 17.81  | 
 19.73  | 
 21.63  | 
 23.53  | 
 25.41  | 
 27.27  | 
 29.13  | 
 30.97  | 
 32.80  | 
 34.62  | 
 36.43  | 
    | 
    | 
    |  
| 
 168  | 
    | 
    | 
    | 
    | 
 18.14  | 
 20.10  | 
 22.04  | 
 23.97  | 
 25.89  | 
 27.79  | 
 29.68  | 
 31.56  | 
 33.43  | 
 35.29  | 
 37.13  | 
    | 
    | 
    |  
| 
 180  | 
    | 
    | 
    | 
    | 
 19.48  | 
 21.58  | 
 23.67  | 
 25.75  | 
 27.81  | 
 29.86  | 
 31.90  | 
 33.93  | 
 35.95  | 
 37.95  | 
 39.94  | 
    | 
    | 
    |  
| 
 194  | 
    | 
    | 
    | 
    | 
    | 
 23.30  | 
 25.57  | 
 27.82  | 
 30.05  | 
 32.28  | 
 34.49  | 
 36.69  | 
 38.88  | 
 41.06  | 
 43.22  | 
    | 
    | 
    |  
| 
 203  | 
    | 
    | 
    | 
    | 
    | 
 24.41  | 
 26.79  | 
 29.15  | 
 31.50  | 
 33.83  | 
 36.16  | 
 38.47  | 
 40.77  | 
 43.06  | 
 45.33  | 
    | 
    | 
    |  
| 
 219  | 
    | 
    | 
    | 
    | 
    | 
 26.39  | 
 28.96  | 
 31.52  | 
 34.06  | 
 36.60  | 
 39.12  | 
 41.63  | 
 44.12  | 
 46.61  | 
 49.08  | 
    | 
    | 
    |  
| 
 245  | 
    | 
    | 
    | 
    | 
    | 
 29.59  | 
 32.48  | 
 35.36  | 
 38.23  | 
 41.08  | 
 43.93  | 
 46.76  | 
 49.57  | 
 52.38  | 
 55.17  | 
 57.95  | 
    | 
    |  
| 
 273  | 
    | 
    | 
    | 
    | 
    | 
 33.04  | 
 36.28  | 
 39.51  | 
 42.72  | 
 45.92  | 
 49.10  | 
 52.28  | 
 55.44  | 
 58.59  | 
 61.73  | 
 64.86  | 
    | 
    |  
| 
 295  | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
 42.76  | 
 46.24  | 
 49.71  | 
 53.17  | 
 56.62  | 
 60.05  | 
 63.47  | 
 66.88  | 
 70.28  | 
 77.04  | 
    |  
| 
 325  | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
 47.20  | 
 51.05  | 
 54.89  | 
 58.72  | 
 62.53  | 
 66.34  | 
 70.13  | 
 73.91  | 
 77.67  | 
 85.18  | 
    |  
| 
 377  | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
 54.89  | 
 59.39  | 
 63.87  | 
 68.34  | 
 72.80  | 
 77.24  | 
 81.67  | 
 86.09  | 
 90.50  | 
 99.28  | 
 108.01  |  
| 
 402  | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
 58.59  | 
 63.39  | 
 68.18  | 
 72.96  | 
 77.73  | 
 82.48  | 
 87.22  | 
 91.95  | 
 96.67  | 
 106.06  | 
 115.41  |  
| 
 426  | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
 62.14  | 
 67.24  | 
 72.33  | 
 77.40  | 
 82.46  | 
 87.51  | 
 92.55  | 
 97.57  | 
 102.59  | 
 112.57  | 
 122.51  |  
| 
 450  | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
 65.69  | 
 71.09  | 
 76.47  | 
 81.84  | 
 87.20  | 
 92.54  | 
 97.88  | 
 103.20  | 
 108.50  | 
 119.08  | 
 129.61  |  
| 
 480  | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
 70.13  | 
 75.90  | 
 81.65  | 
 87.39  | 
 93.12  | 
 98.83  | 
 104.53  | 
 110.22  | 
 115.90  | 
 127.22  | 
 138.49  |  
| 
 508  | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
 74.28  | 
 80.39  | 
 86.48  | 
 92.57  | 
 98.64  | 
 104.70  | 
 110.75  | 
 116.78  | 
 122.81  | 
 134.82  | 
 146.78  |   
  
注:根据需方要求,并经供需双方协议,可供介于表中所列外径和壁厚之间尺寸的钢管。 
矿用流体输送电焊钢管的允许偏差(mm) 
| 
 外  径  | 
 允许偏差  | 
 壁  厚  | 
 允许偏差  |  
| 
 D≤50  | 
 ±0.5  | 
 2.5~12  | 
 ±12%  |  
| 
 D>50  | 
 ±0.90%  |   
注: 
1.钢管的通常长度为4~12m。定尺和倍尺长度应在通常长度范围内,总长度允许偏差为+150mm。倍尺长度的钢管应在每个倍尺间留5~15mm的切口余量。 
2.钢管的弯曲度每米不大于1.2mm,总弯曲度不大于钢管全长的0.12%。  
                     
                   
               
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