CJT 3022-1993 城镇供热用螺旋缝埋弧焊钢管

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1、CJ中华人民共和国城镇建设行业标准CJ/T3022—93城市供热用螺旋缝埋弧焊钢管Spiralsubmerged-arcweldedsteelpipeformunicipalheatsupply1993—05—06发布1993—12—01实施中华人民共和国建设部发布中华人民共和国城镇建设行业标准城市供热用螺旋缝埋弧焊钢管Spiralsubmerged-arcweldedsteelpipeformunicipalheatsupplyCJ/T3022—931.主题内容与范围本标准规定了城市供热用螺旋缝埋弧焊钢管（以下简称钢管）的质量要求。本标准适用于工作压力不大于2.5MPa,介质

2、温度不高于350℃的蒸气、水等流体输送管道用钢管,也适用于符合本标准要求的其它输送管道用钢管.钢管对各种不同用途的适用程度是同钢管的尺寸、特性以及使用条件有一定关系的,所以钢管的预定用途应在订单中注明。2．引用标准GB700碳素结构钢GB223钢铁及合金化学分析方法GB6397金属拉伸试验试样GB228金属拉伸试验法GB2651焊接接头拉伸试验法GB241金属管液压试验方法GB3323钢熔化焊对接接头射线照相和质量分级GB1152锅炉和钢制压力容器对接焊缝超声波探伤3．符号、代号D：钢管公称外径，㎜；t:钢管公称壁厚，㎜；m:钢管每米理论重量，kg/m;p:静水压试验的试验压力

3、，MPa;[σ]:静水压试验的试验应力，MPa。4.尺寸和质量4.1公称尺寸4.1.1钢管公称外径应符合表1规定。4.1.2钢管公称壁厚应符合表1规定。表1钢管的公称外径、t(㎜)D（㎜）5.05.56.07.08.09.010.0m(㎏/m)27333.0436.2839.5145.92323.939.3243.1847.0454.762.3269.89(325)39.4643.3347.2654.0962.5470.13355.642.2347.4851.7360.1868.5776.92(377)45.8850.3954.8963.8772.8081.67406.449.

4、4454.3259.2468.978.6088.2097.75(426)51.9157.0362.1472.3382.4692.55102.5945755.7361.2466.7377.6988.5899.43110.2350874.2886.4898.64110.75122.81(529)77.3890.1102.78115.41127.99(559)81.8295.29108.70122.07135.3861089.37104.09118.76133.39147.96(630)92.33107.54122.71137.82152.89(660)96.77112.72128.

5、63144.48160.29711104.31121.52138.69155.80172.87(720)105.64123.08140.46157.80175.09(762)130.33148.75167.12185.44813139.13158.81178.44198.02(820)140.34160.19179.99199.75914178.74200.06222.93(920)179.92202.19224.411016198.86223.49248.08(1020)199.65224.38249.071220296.391420347.711620397.0318204

6、46.352020495.672220544.992235548.69233724382540注:①根据需方要求,并经供需双方协议,可供应介于本表所列公称外径和公称壁厚之间尺寸的钢管②本表中加括号的公称外径的钢管为保留直径.公称壁厚和每米理论重量11.012.013.014.015.016.018.020.0120.98131.60142.34134.82146.78158.69140.51512.99165.42148.65161.87175.04162.48176.96191.39167.91182.88197.80176.05191.76207.42189.88206.8

7、5223.76192.32209.51226.65203.72221.94240.11258.24217.55237.03256.46275.88219.45239.10258.72276.26297.77317.23244.95266.92288.84310.72332.54354.31246.58268.70290.77312.79334.76356.68272.62297.10321.54345.93370.27394.56273.70298.39322.82347.31371.753