| 品名 | 不锈钢焊管 | 规格 | 325*3 |
|---|---|---|---|
| 材质 | 碳钢和不锈钢 | 外径 | 0-1200 mm |
| 壁厚 | 3-12 mm | 形状 | 圆管 |
| 用途 | 从事水文地质勘探、钻井、凿井施工、水库降水、基础深挖降水、地热开发利用、矿泉水开发利用，地温空调，坏井修复，地下水源地取水等 |
|
套管尺寸
|
每英尺孔数
|
孔径
|
每英尺开孔面积
|
||
|
3/4'
|
78
|
3/16'
|
2.15
|
|
|
|
1'
|
54
|
5/16'
|
4.14
|
|
|
|
1-1/4'
|
66
|
5/16'
|
5.06
|
|
|
|
1-1/2'
|
78
|
5/16'
|
5.98
|
|
|
|
2-1/16'
|
78
|
5/16'
|
5.98
|
|
|
|
2-3/8'
|
90
|
3/8'
|
9.94
|
|
|
|
2-7/8'
|
102
|
3/8'
|
11.26
|
|
|
|
3-1/2'
|
126
|
3/8'
|
13.91
|
|
|
|
4'
|
138
|
3/8'
|
15.24
|
|
|
|
4-1/2'
|
150
|
3/8'
|
16.56
|
|
|
|
5'
|
162
|
3/8'
|
17.88
|
|
|
|
5-1/2'
|
174
|
3/8'
|
19.21
|
|
|
|
6-5/8'
|
186
|
3/8'
|
20.53
|
|
|
|
7'
|
222
|
3/8'
|
24.51
|
|
|
|
9-5/8'
|
294
|
3/8'
|
32.46
|
||
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