镀锌钢管DN20～200标准厚度 镀锌钢管（dn15-dn150）的国标厚度是多少？
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DN-\u516c\u79f0\u76f4\u5f84
\u0424\uff0d\u5916\u5f84
DN15-\u044422mm\uff0cDN20-\u044427mm
DN25-\u044434mm\uff0cDN32-\u044442mm
DN40-\u044448mm\uff0cDN50-\u044460mm
DN65-\u044476(73)mm\uff0cDN80-\u044489mm
DN100-\u0444114mm\uff0cDN125-\u0444140mm
DN150-\u0444168mm\uff0cDN200-\u0444219mm
DN250-\u0444273mm\uff0cDN300-\u0444324mm
DN350-\u0444360mm\uff0cDN400-\u0444406mm
DN450-\u0444457mm\uff0cDN500-\u0444508mm
DN600-\u0444610mm\uff0c
DN15-\u044418mm\uff0cDN20-\u044425mm
DN25-\u044432mm\uff0cDN32-\u044438mm
DN40-\u044445mm\uff0cDN50-\u044457mm
DN65-\u044473mm\uff0cDN80-\u044489mm
DN100-\u0444108mm\uff0cDN125-\u0444133mm
DN150-\u0444159mm\uff0cDN200-\u0444219mm
DN250-\u0444273mm\uff0cDN300-\u0444325mm
DN350-\u0444377mm\uff0cDN400-\u0444426mm
DN450-\u0444480mm\uff0cDN500-\u0444530mm
DN600-\u0444630mm\uff0c
钢管型号 国标厚度（mm）
1、DN20 2.75
2、DN25 3.25
3、DN32 3.25
4、DN40 3.5
5、DN50 3.5
6、DN65 3.75
7、DN80 3.75
8、DN100 4.0
9、DN150 4.5
10、DN200 5.5
扩展资料：
镀锌钢管分为冷镀锌钢管、热镀锌钢管，冷镀锌钢管已被禁用，后者还被国家提倡暂时能使用。
六七十年代，国际上发达国家开始开发新型管材，并陆续禁用镀锌管。
中国建设部等四部委也发文明确从2000年起禁用镀锌管作为供水管，新建小区的冷水管已经很少使用镀锌管了，有些小区的热水管使用的是镀锌管。热镀锌钢管在消防、电力和高速公路上有广泛的应用。
参考资料：
镀锌技术要求——国家标准公开系统
中华人民共和国国家标准
GB/T 3091-1993
低压流体输送用镀锌焊接钢管
DN15-国标厚度2.75，DN20-国标厚度2.75，DN25-国标厚度3.25，DN32-国标厚度3.5，DN40-国标厚度3.5，DN50-国标厚度3.5，DN65-国标厚度3.5，DN80-国标厚度4，DN100-国标厚度4，DN125-国标厚度4.5，DN150-国标厚度4.5，DN200-国标厚度6.0
<p>中华人民共和国国家标准</p> <p>GB/T 3091-1993</p> <p>低压流体输送用镀锌焊接钢管</p> <p> DN15-国标厚度2.75，DN20-国标厚度2.75，DN25-国标厚度3.25，DN32-国标厚度3.5，DN40-国标厚度3.5，DN50-国标厚度3.5，DN65-国标厚度3.5，DN80-国标厚度4，DN100-国标厚度4，DN125-国标厚度4.5，DN150-国标厚度4.5，DN200-国标厚度6.0</p> <p></p>
DN15-国标厚度2.75，DN20-国标厚度2.75，DN25-国标厚度3.25，DN32-国标厚度3.5，DN40-国标厚度3.5，DN50-国标厚度3.5，DN65-国标厚度3.5，DN80-国标厚度4，DN100-国标厚度4，DN125-国标厚度4.5，DN150-国标厚度4.5，DN200-国标厚度6.0
DN20 2.8
DN25 3.2
DN32 3.5
DN40 3.5
DN50 3.8
DN65 4
DN80 4
DN100 4
DN125 4.5
DN150 4.5
DN200 6
绛旓細闀閿岄挗绠鍥芥爣鍘欴N15-鍥芥爣鍘氬害2.75锛DN20-鍥芥爣鍘氬害2.75锛孌N25-鍥芥爣鍘氬害3.25锛孌N32-鍥芥爣鍘氬害3.5锛孌N40-鍥芥爣鍘氬害3.5锛孌N50-鍥芥爣鍘氬害3.5锛孌N65-鍥芥爣鍘氬害3.5锛孌N80-鍥芥爣鍘氬害4锛孌N100-鍥芥爣鍘氬害4锛孌N125-鍥芥爣鍘氬害4.5锛孌N150-鍥芥爣鍘氬害4.5锛孌N200-鍥芥爣鍘氬害6.0銆傜儹闀閿岀鑰愯厫铓闄愭洿涔咃紝鐑闀閿屽帤搴...
绛旓細鏍规嵁銆婁綆鍘嬫祦浣撹緭閫佺敤闀閿鐒婃帴閽㈢銆(GB/T3091-93)鏍囧噯,鍒嗘櫘閫氱涓庡姞鍘氱,鍏跺鍘氬垎鍒负锛氭櫘閫绠N16---2.75銆DN20---2.75銆丏N25---3.25銆丏N32---3.25(鍏佽鍋忓樊涓+12锛呬笌-15锛)鍔犲帤绠N16---3.25銆丏N20---3.50銆丏N25---4.00銆丏N32---4.00(鍏佽鍋忓樊涓+12锛呬笌-15锛)鎵归噺闀閿...
绛旓細涓鑸潵璇达紝闀閿岄挗绠″浗鏍囧鍘氭爣鍑琛ㄤ細鎸夌収绠￠亾鐨勫叕绉扮洿寰勶紙DN锛夎繘琛屽垎绫伙紝姣忎釜鍏О鐩村緞瀵瑰簲涓涓垨澶氫釜澹佸帤绛夌骇銆備緥濡傦紝DN15鐨勯晙閿岄挗绠★紝鍏跺浗鏍囧鍘氬彲鑳戒负2.0mm鎴2.5mm锛DN20鐨勯晙閿岄挗绠锛屽叾鍥芥爣澹佸帤鍙兘涓2.5mm鎴2.8mm绛夈傝繖浜涙暟鍊间粎涓虹ず渚嬶紝瀹為檯鏍囧噯涓殑鏁板煎彲鑳戒細鏈夋墍涓嶅悓銆傛澶栵紝闀閿岄挗绠＄殑鍥芥爣澹...
绛旓細渚濇嵁銆婁綆鍘嬫祦浣撹緭閫佺敤闀閿鐒婃帴閽㈢銆(GB/T3091-93)鏍囧噯锛屾垜浠彲浠ヤ簡瑙ｅ埌涓嶅悓鐩村緞鐨勯晙閿岀嚎绠″鍘氳鏍煎涓嬶細瀵逛簬鏅氱鍨嬶細DN16鐨勫鍘氫负2.75姣背锛屽厑璁稿亸宸湪+12%涓-15%涔嬮棿銆DN20鐨澹鍘鍚屾牱涓2.75姣背銆侱N25鐨勫鍘氬鍔犺嚦3.25姣背銆侱N32鐨勭寰勫鍘氬垯涓3.25姣背銆傝屽浜庡姞鍘氱鍨嬶紝澹佸帤鏇村帤锛欴N16...
绛旓細鏍规嵁銆婁綆鍘嬫祦浣撹緭閫佺敤闀閿岀剨鎺閽㈢銆(GB/T3091-93)鏍囧噯锛屼笉鍚岀洿寰勭殑闀閿岀嚎绠″鍘氬涓嬶細- DN16鐨勯晙閿岀嚎绠″鍘氫负2.75姣背锛屽厑璁稿亸宸负+12%涓-15%銆- DN20鐨勯晙閿绾跨澹佸帤涓2.75姣背锛屽厑璁稿亸宸负+12%涓-15%銆- DN25鐨勯晙閿岀嚎绠″鍘氫负3.25姣背锛屽厑璁稿亸宸负+12%涓-15%銆- DN32鐨勯晙閿岀嚎绠″鍘氫负...
绛旓細闀閿岀鐨勯挗鐗屽彿搴旂鍚堝浗瀹鏍囧噯GB/T 3091-1993銆婁綆鍘嬫祦浣撹緭閫佺敤闀閿岀剨鎺閽㈢銆嬨備緥濡傦紝DN15鐨勫浗鏍囧鍘氫负2.75mm锛DN20鐨鍥芥爣澹佸帤涓2.75mm锛孌N25鐨勫浗鏍囧鍘氫负3.25mm锛孌N32鐨勫浗鏍囧鍘氫负3.5mm锛孌N40鐨勫浗鏍囧鍘氫负3.5mm锛孌N50鐨勫浗鏍囧鍘氫负3.5mm锛孌N65鐨勫浗鏍囧鍘氫负3.5mm锛孌N80鐨勫浗鏍囧鍘氫负4.0mm锛孌N...
绛旓細1. 鏅氶晙閿屽眰锛氭渶灏忓钩鍧囧煎簲涓65渭m锛屾渶灏忓眬閮ㄥ煎簲涓45渭m銆2. 鍔鍘氶晙閿灞傦細鏈灏忓钩鍧囧煎簲涓85渭m锛屾渶灏忓眬閮ㄥ煎簲涓70渭m銆傞渶瑕佹敞鎰忕殑鏄紝杩欓噷鐨勯晙閿屽眰鍘氬害鎸囩殑鏄挗绠¤〃闈㈡秱瑕嗙殑閿屽眰鐨勫帤搴︼紝骞堕潪鍖呭惈閽㈢澹佸帤鍦ㄥ唴鐨勬诲帤搴︺傚洜姝わ紝鍦ㄩ夋嫨鍜屼娇鐢闀閿岄挗绠鏃讹紝闄や簡瑕佽冭檻鍏堕晙閿屽眰鐨勫帤搴﹀锛岃繕闇瑕...
绛旓細闀閿岄挗绠鍘氬害鍥藉鏍囧噯濡備笅鍥撅細鐑闀閿岀锛屼负鎻愰珮閽㈢鐨勮愯厫铓鎬ц兘锛屽涓鑸挗绠¤繘琛岄晙閿屻傞晙閿岄挗绠″垎鐑晙閿屽拰鐢甸晙閿屼袱绉嶏紝鐑闀閿岄晙閿灞鍘锛岀數闀閿屾垚鏈綆锛岃〃闈笉鏄緢鍏夋粦銆
绛旓細鍔犲帤鍨闀閿岄挗绠澹鍘娌℃湁鍏蜂綋鐨勬暟鎹紝鍙槸鍦ㄥ師鏉ョ殑鏉愭枡涓婃瘮鍘氭湁鎵澧炲姞锛屾墍浠ュ彨鍔犲帤銆傞櫎浜嗗浗瀹惰瀹氱殑闀閿岄挗绠＄殑澹佸帤浠ュ锛屽叾涓庣殑鍔犲帤鐗堢殑闀閿岄挗绠＄殑鍘氬害鏄病鏈夊叿浣撶殑鏁板肩殑锛屽帤搴︽槸鏍规嵁涓汉鐨勮璁￠渶姹傛潵鍔犲帤闀閿岄挗绠＄殑鐩村緞鐨勩備緥濡傦細DN50鐨勫叕绉板寰60.3mm锛鏍囧噯鍨嬬殑閽㈢澹佸帤3.8mm锛屽姞鍘氬瀷鐨勯挗绠″鍘4....
绛旓細Dn20鐨澶栧緞涓26.9姣背銆侱n20鎸囩殑鏄叕绉扮洿寰勪负20姣背鐨闀閿岄挗绠锛屽畠鐨勫寰勬槸26.9姣背锛屽叾澹佸帤涓鑸槸2.8姣背銆傝繖绫婚晙閿岄挗绠″彲浠ヤ綔涓烘殩姘旂銆佺叅姘旂銆佺┛绾跨銆佹姢鏍忕瓑绛夛紝浣嗘槸闀閿岀涓嶈兘鍋氫负缁欐按绠′娇鐢紝鍥犱负鐢ㄩ晙閿岀鍋氭按绠″鏄撶敓閿堣厫铓锛屽奖鍝嶅埌姘磋川绛夌瓑銆備竴鑸垜浠皢琛ㄩ潰鏈夐晙閿屽眰鐨勯挗绠＄О涓洪晙閿岄挗绠★紝闀閿...
