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（杭州東正鋼管鋼種材質可根據客戶的協議標準定做：18505717856）
薄壁無縫鋼管規格：
6x0.5/1 8x0.5/1 10x1/1.5 12x1/1.5 14x1.5/2 16x1.5/2 18x2/2.5
| 20x2/2.5 22x2/2.5 26x2/2.5 28x2/2.5 30x2/2.5 32x2/2.5 34x2/2.5 38x2/2.5
| 40x2/2.5/3 42x2/2.5/3 45x2/2.5/3 48x2/2.5/3 50x2/2.5/3 51x2/2.5/3 54x2/2.5/3 57x2/2.5/3
| 60x2.5/3/3.5 63.5x2.5/3/3.5 68x2.5/3/3.5 70x3/3.5/4 73x3/3.5/4 76x3/3.5/4 |
80x4/4.5 83x3.5/4/4.5 89x3.5/4/4.5 95x3.5/4/4.5 102x3.5/4/4.5 108x4/6 114x4/6 121x5/6 127x5/6 | 133x4.5/5 140x4.5/5 146x5/6 152x5/6 159x4/5 168x4/5 180x6/8 194x6/8 | 203x6/7 219x6/7 245x6/6.5/7 273x6/6.5/7 299x7/8 325x7/8 351x8/9 377x8/9
| 402x10/11 426x10/11 530x10/12 560x10/12 610x10/12 630x10/12
|
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