sch壁厚等級(jí)對(duì)照表-

6812345681234568承插焊管件（一）SocketWeldingFitA68888881234承插焊和螺紋活接頭UnionsofSocket-Welding&Threaded度度度度Thread焊ThreadThread6812838承插焊管件的接管外徑、承插孔徑及流通孔徑尺寸表外徑外徑徑外徑徑D6871234承插焊管件尺寸的極限偏差TolerancesforSocket-WeldingFittngs件件A0A、HEF度0L000SCH160和雙加厚管的公稱壁厚A管件級(jí)代號(hào)與管子壁厚代號(hào)的關(guān)系RelevanceofFittingsClasswithScheduleNunberorWallDesignationofpipeforCalculaticlassdesignationfoFittiTypeofFitting600030009000承插焊Socket-681234XXSXXSXXSE6812346812346687345667896688螺比試管件的尺寸極限偏差TolerancesforThreadedFADCW68666888885757746486868123·ThestandardsandcodesofthefittingsisconicalthreadedNPTangle6thread,pleaseindicatetheminthepurchasedorder.D66548676654888768888768123·ThestandardsandcodesofthefittingsisconicalthreadedNPTangle6thread,pleaseindicatetheminthepurchasedorder.75、100、150SCH80、SCH16068TL六角頭雙絲頭與螺紋短節(jié)的極限偏差TelerancesforHexagonalTheGeneralMaterialTypeVariety%24526---AkvJ:27AkvJ:31AkvJ:27AkuJ:92AkuJ:92AkvJ:35AkvJ:35AkvJ:31AkvJ:35AkvJ:31CAusteniticStainlessSteTi:5C~Ti:5C~Ti:5C~BiphaseStainless板板板板板Cδ%ASTMA420/A420M0.31-0.640.050ASTMA815/A815M4.5-6.5---ASTMA105/A105MA105ASTMA182/A182M管ASTMA53/A53MASTMA106ASTMA312/A312MASTMA335/A335MBBCTP304TP304HTP304LTP316LTP321V:0.08V:0.08V:0.08------ 板 ·材料的化學(xué)成份和力學(xué)性指標(biāo)會(huì)因?yàn)槟稠?xiàng)條件的規(guī)定而有所改變,使用時(shí)請(qǐng)查閱mm項(xiàng)目mm15～100125～200250～300350～400450～600650～750800～10501100～1200壓力等級(jí)表(HG5010.10～16-58,HGJ壓力等級(jí)表(HG5010.10～16-58,HGJmm334334334334441/2~1/2~徑D1徑2頭H2管帽高度E4距O7高度K7差U1800~481222222333522222333544777777777……7777777……1111222ANSIB36.10＆B36.191.652.11-1.652.11-1.652.77- --Pipe1ThicknessNominalWallNomPipeSize(in) Nom --------4114.32.113.05 45141.32.773.40--56168.32.773.40 68219.12.773.76-15.0918.2620.6223.0122.238273.13.404.19 18.2621.4425.4028.5825.40323.93.964.57-21.4425.4028.5833.3225.40355.63.964.7823.8327.7931.7535.71-406.44.194.7826.1930.9636.5340.49-4574.194.7829.3634.9339.6745.24-5084.785.5412.709.5315.0912.7020.6226.1932.5438.1044.4550.01-5594.785.5412.709.53-12.7022.2328.5834.9341.2847.6353.98-6105.546.3514.279.5317.4812.7024.6130.9638.8946.0252.3759.54-7626.357.92 ------壁厚分級(jí)表GB12459-90GB/T13401-9226.92533.73242.43848.34560.35776.17388.989402.92.93.23.63.64.05.05.65.65.96.37.18.08.8------------1604.55.66.36.37.18.8803.64.04.55.05.05.67.18.08.08.8 ------------------------------------------------------------------------- --- ----------- - - - ----------- - - - ----------- - - - ----------- - - - ----------- - - - ----------- - - - -┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅鋼管比較!磅級(jí)(class)1503004006008009001500250035004500我們通常所用的PNCLass都是壓力的一種表示方法所不同的是它們所代表承受的壓力對(duì)應(yīng)參照溫度不同PN歐洲體系是指在120℃下所對(duì)應(yīng)的壓力而CLass美標(biāo)是指在425.5℃下所對(duì)應(yīng)的壓力。所以在工程互換中不能只單純的進(jìn)行壓力換算如CLass300#單純用壓力換算應(yīng)是2.1MPa但如果考慮到使用溫度的話它所對(duì)應(yīng)的壓力就升高了根據(jù)材料的溫度耐壓試驗(yàn)測(cè)定相當(dāng)于5.0MPa。閥門的體系有2種一種是德國(guó)包括我國(guó)為代表的以常溫下我國(guó)是100度、德國(guó)是120度的許用工作壓力為基準(zhǔn)的“公稱壓力”體系。一種是美國(guó)為代表的以某個(gè)溫度下的許用工作壓力為代表260度時(shí)候許用應(yīng)力為1MPa而在常溫下的許用應(yīng)力要比1MPa大得多大約是2.0MPa。所以一般說(shuō)美標(biāo)150LB對(duì)應(yīng)的公稱壓力等級(jí)為2.0MPa300LB對(duì)應(yīng)的公稱壓力等級(jí)為5.0MPa等等。因此不能隨便按照壓力變換公式來(lái)變換公稱壓力和溫壓等級(jí)。PN是一個(gè)用數(shù)字表示的與壓力有關(guān)的代號(hào)是提供參考用的一個(gè)方便的圓整數(shù)PN是近似于折合常溫的耐壓MPa數(shù)是國(guó)內(nèi)閥門通常所使用的公稱壓力。對(duì)碳鋼閥體的控制閥指在200℃以下應(yīng)用