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兴化市源泰法兰锻造厂
地 址：兴化市戴南镇雁周工业区
联系人：胡经理
手 机：13801424996
电 话：0523-83989996
传 真：0523-83989896
网 址：www.yt-fl.com
邮 箱：993915280@qq. com
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对焊钢制法兰内径尺寸(HG20617—1997)
发布时间： 2023-07-27 11:30:07 被阅览数： 1310 次 来源：
不锈钢法兰,平焊法兰,对焊法兰,兴化市源泰法兰锻造厂
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公称通径
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钢管
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钢管壁厚规格
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NPS/in
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DN
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外径
A
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Sch.5S
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Sch.10S
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Sch.10
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Sch.20
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Sch.30
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STD
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Sch.40S
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Sch.40
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Sch.60
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XS
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Sch.80S
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Sch.80
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Sch.100
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Sch.120
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Sch.140
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Sch.160
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XXS
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法兰内径B
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1/2
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15
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21.3
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18
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17
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15.5
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15.5
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15.5
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14
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14
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14
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12
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7
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3/4
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20
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26.9
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23.5
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22.5
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21
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21
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21
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18.5
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18.5
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18.5
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15.5
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10.5
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1
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25
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33.7
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30.5
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27.5
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27
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27
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27
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24.5
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24.5
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24.5
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21
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16
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1%
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32
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42.4
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39
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36.5
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35
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35
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35
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32
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32
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32
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29.5
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22
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1%
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40
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48.3
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45
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42.5
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41
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41
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41
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38
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38
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38
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34
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28
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2
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50
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60.3
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57
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54.5
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53.5
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52
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52
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52
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49
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49
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49
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42.5
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38
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2%
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65
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76.1
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72
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69.5
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67
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66
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66
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66
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61.5
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61.5
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61.5
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56
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47.5
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3
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80
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88.9
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84.5
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82.5
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79.5
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77.5
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77.5
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77.5
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72.5
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72.5
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72.5
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66.5
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56.5
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4
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100
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114.3
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110
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107.5
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104
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101.5
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101.5
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101.5
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96.5
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96.5
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96.5
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92
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85.5
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79
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5
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125
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139.7
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133.5
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132.5
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129.5
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127
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127
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127
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119.5
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119.5
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119.5
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114.5
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107.5
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99.5
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6
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150
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168.3
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162.5
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161
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157
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154
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154
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154
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146
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146
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146
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139.5
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133
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123.5
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8
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200
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219.1
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213
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211
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206.5
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204.5
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203
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203
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203
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199
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194
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194
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194
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187
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184
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179
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174.5
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174.5
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10
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250
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273
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265.5
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265
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|
260
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257
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255
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255
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255
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248
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248
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248
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241
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238
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228.5
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223
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217
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223
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12
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300
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323.9
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315.5
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314.5
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311
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306
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303.5
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303.5
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303.5
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295.5
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298.5
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298.5
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288.5
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279.5
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273.5
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267.5
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259.5
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273.5
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14
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350
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355.6
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347.5
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345.5
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343
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339.5
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335.5
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335.5
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335.5
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335.5
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323.5
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330.5
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330.5
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315.5
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305.5
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299.5
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291.5
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283.5
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16
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400
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406.4
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398
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396
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393.5
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390
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386
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386
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386
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381
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371
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381
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381
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362
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350
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346
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334
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326
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18
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450
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457
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449
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447
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444
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441
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435
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437
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437
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428.5
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417
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432
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432
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407
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397
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385
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377
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367
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20
|
500
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508
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498
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496.5
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495
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488
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483
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488
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488
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476
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468
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483
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483
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452
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444
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428
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418
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408
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22
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550
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559
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549
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547.5
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546
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539
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534
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539
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539
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——
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509
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534
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534
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503
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487
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479
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459
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449
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24
|
600
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610
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598.5
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597
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597
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590
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581.5
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590
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590
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575
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560
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585
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585
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546
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530
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520
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500
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490
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注：壁厚系列号(Sch.No.)后缀加S者，仅用于奥氏体不锈钢钢管。
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