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输送管产品执行标准：API SPEC 5L 、 GB/T9711.2
用途：用于天然气、原油、成品油、水、煤浆、矿粉等介质的管道输送
Ⅱ.Line pipes comply with API SPEC 5L and GB/T 9711.2
Usages: line pipes for transporting natural gas , crude oil, finished oil,water,coal slurry and mine powder.
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114.3
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141.3
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168.3
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219.1
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273.1
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323.9
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355.6
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3.2
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?
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3.6
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4.0
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4.4
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4.8
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5.2
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5.6
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6.0
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6.4
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7.1
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7.9
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8.7
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9.5
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10.3
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11.1
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12.7
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13.5
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14.3
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注: X80钢级**大壁厚至12.7mm, X60钢级**大壁厚至14.3mm.
Note: the biggest wall thickness of steel grade X80 is up to? 12.7mm and X60 is up to 14.3mm.
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大口径直缝埋弧焊管生产范围
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钢管长度：8～12.2m(26.2-40ft)，材料等级：L245R--X70
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外 径
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壁 厚（mm）
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in
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mm
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6.4.
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7.4.
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7.9.
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8.7.
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9.7.
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10.5
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11.1
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11.9
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12.7
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14.0
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14.3
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15.9
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18.0
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19.1
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20.6
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22.2
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23.8
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25.4
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26.4
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28.6
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30.2
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31.8
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33.3
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34.9
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36.5
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38.1
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16
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406.4
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18
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457.2
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20
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508.0
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22
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558.8
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24
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609.6
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26
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660.4
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28
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711.2
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30
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762.0
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32
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812.8
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34
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863.6
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36
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914.4
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38
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965.2
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40
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1016.0
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42
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1066.8
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44
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1117.6
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46
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1168.4
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48
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1219.2
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52
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1320.8
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56
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1422.4
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