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國標不鏽鋼管尺寸對照表
日期：2026-03-18 05:52
瀏覽次數：0
摘要：<table border="0" cellspacing="0" cellpadding="0" width="341">
<tbody>
<tr>
<td width="341" colspan="4">
<div align="center"><b>國標不鏽鋼管尺寸對照表</b></div>
</td>
</tr>
<tr>
<td width="107">
<div align="center">公稱直徑</div>
</td>
<td width="126" colspan="2">
<div align="center">英 寸</div>
</td>
<td width="107">
<div align="center">單位（<span>mm)</span></div>
</td>
</tr>
<tr>
<td width="107">
<div align="center">DN6</div>
</td>
<td width="62">
<div align="center"> </div>
</td>
<td width="64">
<div align="center">1 ∕8</div>
</td>
<td width="107">
<div align="center"> </div>
</td>
</tr>
<tr>
<td width="107">
<div align="center">DN8</div>
</td>
<td width="62">
<div align="center">2分</div>
</td>
<td width="64">
<div align="center">1∕4</div>
</td>
<td width="107">
<div align="center">14</div>
</td>
</tr>
<tr>
<td width="107">
<div align="center">DN10</div>
</td>
<td width="62">
<div align="center">3分</div>
</td>
<td width="64">
<div align="center">3 ∕8</div>
</td>
<td width="107">
<div align="center">18</div>
</td>
</tr>
<tr>
<td width="107">
<div align="center">DN15</div>
</td>
<td width="62">
<div align="center">4分</div>
</td>
<td width="64">
<div align="center">1∕2</div>
</td>
<td width="107">
<div align="center">22</div>
</td>
</tr>
<tr>
<td width="107">
<div align="center">DN20</div>
</td>
<td width="62">
<div align="center">6分</div>
</td>
<td width="64">
<div align="center">3∕4</div>
</td>
<td width="107">
<div align="center">25</div>
</td>
</tr>
<tr>
<td width="107">
<div align="center">DN25</div>
</td>
<td width="62">
<div align="center">1寸</div>
</td>
<td width="64">
<div align="center">1</div>
</td>
<td width="107">
<div align="center">32</div>
</td>
</tr>
<tr>
<td width="107">
<div align="center">DN32</div>
</td>
<td width="62">
<div align="center">1寸<span>2</span></div>
</td>
<td width="64">
<div align="center">1 1/4</div>
</td>
<td width="107">
<div align="center">42</div>
</td>
</tr>
<tr>
<td width="107">
<div align="center">DN40</div>
</td>
<td width="62">
<div align="center">1寸<span>5</span></div>
</td>
<td width="64">
<div align="center">1 1/2</div>
</td>
<td width="107">
<div align="center">48</div>
</td>
</tr>
<tr>
<td width="107">
<div align="center">DN50</div>
</td>
<td width="62">
<div align="center">2寸</div>
</td>
<td width="64">
<div align="center">2</div>
</td>
<td width="107">
<div align="center">57</div>
</td>
</tr>
<tr>
<td width="107">
<div align="center">DN65</div>
</td>
<td width="62">
<div align="center">2寸<span>5</span></div>
</td>
<td width="64">
<div align="center">2 1/2</div>
</td>
<td width="107">
<div align="center">76</div>
</td>
</tr>
<tr>
<td width="107">
<div align="center">DN80</div>
</td>
<td width="62">
<div align="center">3寸</div>
</td>
<td width="64">
<div align="center">3″</div>
</td>
<td width="107">
<div align="center">89</div>
</td>
</tr>
<tr>
<td width="107">
<div align="center">DN100</div>
</td>
<td width="62">
<div align="center">4寸</div>
</td>
<td width="64">
<div align="center">4″</div>
</td>
<td width="107">
<div align="center">108</div>
</td>
</tr>
<tr>
<td width="107">
<div align="center">DN125</div>
</td>
<td width="62">
<div align="center">5寸</div>
</td>
<td width="64">
<div align="center">5″</div>
</td>
<td width="107">
<div align="center">133</div>
</td>
</tr>
<tr>
<td width="107">
<div align="center">DN150</div>
</td>
<td width="62">
<div align="center">6寸</div>
</td>
<td width="64">
<div align="center">6″</div>
</td>
<td width="107">
<div align="center">159</div>
</td>
</tr>
<tr>
<td width="107">
<div align="center">DN175</div>
</td>
<td width="62">
<div align="center">7寸</div>
</td>
<td width="64">
<div align="center">7″</div>
</td>
<td width="107">
<div align="center">194</div>
</td>
</tr>
<tr>
<td width="107">
<div align="center">DN200</div>
</td>
<td width="62">
<div align="center">8寸</div>
</td>
<td width="64">
<div align="center">8″</div>
</td>
<td width="107">
<div align="center">219</div>
</td>
</tr>
<tr>
<td width="107">
<div align="center">DN225</div>
</td>
<td width="62">
<div align="center">9寸</div>
</td>
<td width="64">
<div align="center">9″</div>
</td>
<td width="107">
<div align="center">245</div>
</td>
</tr>
<tr>
<td width="107">
<div align="center">DN250</div>
</td>
<td width="62">
<div align="center">10寸</div>
</td>
<td width="64">
<div align="center">10″</div>
</td>
<td width="107">
<div align="center">273</div>
</td>
</tr>
<tr>
<td width="107">
<div align="center">DN300</div>
</td>
<td width="62">
<div align="center">12寸</div>
</td>
<td width="64">
<div align="center">12″</div>
</td>
<td width="107">
<div align="center">325</div>
</td>
</tr>
<tr>
<td width="107">
<div align="center">DN350</div>
</td>
<td width="62">
<div align="center">14寸</div>
</td>
<td width="64">
<div align="center">14″</div>
</td>
<td width="107">
<div align="center">377</div>
</td>
</tr>
<tr>
<td width="107">
<div align="center">DN400</div>
</td>
<td width="62">
<div align="center">16寸</div>
</td>
<td width="64">
<div align="center">16″</div>
</td>
<td width="107">
<div align="center">426</div>
</td>
</tr>
<tr>
<td width="107">
<div align="center">DN450</div>
</td>
<td width="62">
<div align="center">18寸</div>
</td>
<td width="64">
<div align="center">18″</div>
</td>
<td width="107">
<div align="center">478</div>
</td>
</tr>
<tr>
<td width="107">
<div align="center">DN500</div>
</td>
<td width="62">
<div align="center">20寸</div>
</td>
<td width="64">
<div align="center">20″</div>
</td>
<td width="107">
<div align="center">529</div>
</td>
</tr>
<tr>
<td width="107">
<div align="center">DN600</div>
</td>
<td width="62">
<div align="center">24寸</div>
</td>
<td width="64">
<div align="center">24″</div>
</td>
<td width="107">
<div align="center">630</div>
</td>
</tr>
<tr>
<td width="107">
<div align="center">DN700</div>
</td>
<td width="62">
<div align="center">28寸</div>
</td>
<td width="64">
<div align="center">28″</div>
</td>
<td width="107">
<div align="center">720</div>
</td>
</tr>
<tr>
<td width="107">
<div align="center">DN800</div>
</td>
<td width="62">
<div align="center">32寸</div>
</td>
<td width="64">
<div align="center">32″</div>
</td>
<td width="107">
<div align="center">820</div>
</td>
</tr>
</tbody>
</table>
<div>公司至成立以來，以“誠信、合作、雙贏、發展”為經營宗旨，堅持“價格**、用戶、信譽”的營銷理念，在市場上獲得了良好的口碑。 029—88633755<br />
詳情參考：<a href="http://www.zghdmy.com/"><span>http://www.zghdmy.com</span></a></div>
<div> </div>
|
國標不鏽鋼管尺寸對照表
|
|||
|
公稱直徑
|
英 寸
|
單位（mm)
|
|
|
DN6
|
|
1 ∕8
|
|
|
DN8
|
2分
|
1∕4
|
14
|
|
DN10
|
3分
|
3 ∕8
|
18
|
|
DN15
|
4分
|
1∕2
|
22
|
|
DN20
|
6分
|
3∕4
|
25
|
|
DN25
|
1寸
|
1
|
32
|
|
DN32
|
1寸2
|
1 1/4
|
42
|
|
DN40
|
1寸5
|
1 1/2
|
48
|
|
DN50
|
2寸
|
2
|
57
|
|
DN65
|
2寸5
|
2 1/2
|
76
|
|
DN80
|
3寸
|
3″
|
89
|
|
DN100
|
4寸
|
4″
|
108
|
|
DN125
|
5寸
|
5″
|
133
|
|
DN150
|
6寸
|
6″
|
159
|
|
DN175
|
7寸
|
7″
|
194
|
|
DN200
|
8寸
|
8″
|
219
|
|
DN225
|
9寸
|
9″
|
245
|
|
DN250
|
10寸
|
10″
|
273
|
|
DN300
|
12寸
|
12″
|
325
|
|
DN350
|
14寸
|
14″
|
377
|
|
DN400
|
16寸
|
16″
|
426
|
|
DN450
|
18寸
|
18″
|
478
|
|
DN500
|
20寸
|
20″
|
529
|
|
DN600
|
24寸
|
24″
|
630
|
|
DN700
|
28寸
|
28″
|
720
|
|
DN800
|
32寸
|
32″
|
820
|
公司至成立以來，以“誠信、合作、雙贏、發展”為經營宗旨，堅持“價格**、用戶、信譽”的營銷理念，在市場上獲得了良好的口碑。 029—88633755
詳情參考：http://www.zghdmy.com
詳情參考：http://www.zghdmy.com
