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國標(biāo)不銹鋼管尺寸對照表

日期：2025-12-08 05:30

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摘要：<table border="0" cellspacing="0" cellpadding="0" width="341"> <tbody> <tr> <td width="341" colspan="4"> <div align="center"><b>國標(biāo)不銹鋼管尺寸對照表</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(fā)展”為經(jīng)營宗旨，堅(jiān)持“價(jià)格**、用戶、信譽(yù)”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.chenkun.net.cn/"><span>http://www.chenkun.net.cn</span></a></div> <div> </div>

國標(biāo)不銹鋼管尺寸對照表
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(fā)展”為經(jīng)營宗旨，堅(jiān)持“價(jià)格**、用戶、信譽(yù)”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.chenkun.net.cn

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