火力发电用钢制通用阀门订货基本要求

火力发电用钢制通用阀门订货基本要求1.1材料阀门耐压件主体材料见表1。表1耐压部位的主体材料钢种铸钢锻钢件或棒料最高适用温度碳素钢WCB或25427℃ASTMA216WCB或ASIMA1050.5%钼钢WC1或ASTMA182F1468℃ASTMA217WC11.25%铬WC6或15CrMo540℃0.5%钼钢ASTMA217WC6或ASTMA182F112.25%铬WC9或ASTMA182F22570℃1%钼钢ASTMA217WC99铬1钼矾钢ASTMA217C12AASTMA182F91600℃5%铬钼钢ZGCr5MoCr5Mo550℃铬钼矾钢ZG20CrMoV12Cr1MoVZG15Cr1Mo1V15Cr1Mo1V570℃奥氏体钢ZG1Cr18Ni9Ti1Cr18Ni9Ti650℃ZG1Cr18Ni12Mo2Ti1Cr18Ni12Mo2Ti阀门材料选用应符合以下有关标准要求，并提供材料的化学成分、力学性能及质量报告：a）铸钢件应符合JB/T5263及JB/T9625的规定：b）锻件应符合JB/T9626的规定；c）碳素钢锻件应符合GB/T12228的规定；d）碳素钢铸件应符合GB/T12229的规定：e）不锈钢钢铸件应符合GB/T12230的规定；f）柔性石墨编织填料应符合JB/T7370的规定；g）缠绕式垫片应符合GB/T4622的规定。1.2压力一温度额定值压力一温度额定值分为两类：标准压力级（第1类）和专用压力级（第2类），见表2～表19，表中规定了各耐压部位的主体材料在一定使用温度下的最高允许压力。铬钼矾钢和奥氏体钢的压力一温度额定值按GB/T9124的规定。法兰式阀门的使用压力不应大于法兰的许用压力和本标准规定的压力一温度额定值。a）第1类阀门，对应压力等级为PN16、PN20、PN25、PN40、PN50、PN63、PN67、PN100、PN110、PN150、PN160、PN260、PN320、PN420、PN600时，见表2～表6；对应压力等级为150、300、600、900、1500、2000、2500、3500磅级时，见表7～表11。第1类对法兰式及焊接式阀门都适用。b）第2类阀门，对应压力等级为PN260、PN320、PN420、PN600时，见表12～表15；对应压力等级为1500、2000、2500、3500磅级时，见表16～表19。此外，要在表示压力等级数字的末尾附上符号“Ⅱ”。第2类适用于焊接式阀门。表2碳素钢〈WCB〉压力—温度额定值（第1类）温度℃压力等级16254063100160320205067110150260420600分级表示的工作压力MPa-29～381.62.02.54.15.26.57.09.610.415.616.526.332.741.460.7931.41.82.31.74.75.96.38.59.514.215.021.729.739.555.41491.31.62.11.64.65.76.18.39.311.914.721.028.838.551.82041.11.41.91.44.45.66.08.28.911.414.222.327.837.152.02601.01.21.71.24.25.25.67.78.412.611.321.026.235.049.13150.81.01.42.81.84.85.17.17.711.512.219.324.032.044.93430.70.91.32.71.74.75.07.07.511.312.018.921.531.444.03710.60.81.22.71.74.75.07.07.511.211.818.721.331.241.73990.50.71.12.61.54.44.76.57.110.611.217.722.129.541.34270.50.61.02.12.91.61.95.35.88.79.214.518.124.131.7454(0.4)(0.5)(0.7)(1.4)(1.9)(2.3)(2.5)(1.4)(1.7)(5.7)(6.0)(9.4)(11.7)(15.7)(21.9)注1：温度或压力数值若处于表中所示值之间时，可以根据内插法确认最高使用温度或压力。注2：带括号的数值尽可能不使用表30.5Mo钢〈WC1〉压力—温度额定值（第1类）温度℃压力等级16254063100160320205067110150260420600分级表示的工作压力MPa-29～381.51.92.41.94.96.26.69.09.814.615.524.430.540.757.0931.41.82.31.84.85.96.38.79.514.315.121.829.839.822.71491.31.62.11.64.65.76.18.49.211.714.522.928.638.251.52041.11.41.91.44.55.66.08.39.011.514.322.528.137.552.52601.01.21.71.24.35.35.88.08.711.111.921.827.236.451.03150.81.01.51.14.25.25.67.88.512.711.421.226.535.449.63430.70.91.41.04.15.15.57.58.212.411.120.725.834.548.33710.60.81.32.94.05.05.37.38.012.012.720.024.931.246.63990.50.71.22.71.74.75.06.97.511.211.818.721.331.141.64270.50.61.12.51.54.44.76.57.110.711.317.822.229.741.64540.40.50.92.41.44.24.56.26.810.210.817.121.328.540.0482(0.3)(0.3)(0.7)(2.1)(1.1)(1.9)(4.2)(5.8)(6.3)(9.5)(10.0)(15.7)(19.6)(26.3)(36.9)注1：温度或压力数值若处于表中所示值之间时，可以根据内插法确认最高使用温度或压力。注2：带括号的数值尽可能不使用表41.25Cr-0.5Mo钢〈WC6〉压力—温度额定值（第1类）温度℃压力等级16254063100160320205067110150260420600分级表示的工作压力MPa-29～381.62.02.54.15.26.57.09.610.515.816.726.332.941.961.5931.41.82.34.05.26.57.09.610.515.816.726.332.941.961.51491.31.62.11.85.06.36.89.310.115.216.125.431.742.359.22041.11.41.91.74.96.16.58.99.714.615.524.330.440.656.92601.01.21.71.54.75.86.28.59.314.014.821.429.238.954.53150.81.01.51.14.25.25.67.88.512.811.521.226.735.449.63430.70.91.41.04.15.15.57.58.212.411.120.725.834.548.33710.60.81.32.94.05.05.37.38.012.012.720.024.931.246.63990.50.71.22.71.74.75.06.97.511.211.818.721.331.141.64270.50.61.12.61.64.44.76.57.110.711.317.822.229.741.64540.30.41.02.41.44.04.36.26.810.210.817.121.328.540.04820.30.30.72.11.11.94.25.86.39.510.015.819.726.336.95100.20.20.51.52.22.81.04.14.56.77.111.214.018.726.25380.10.10.31.01.51.82.02.71.04.54.77.69.412.617.75650.1a0.10.20.71.01.21.31.82.01.01.15.06.28.411.8593(0.1)a(0.1)(0.1)(0.4)(0.6)(0.8)(0.9)(1.2)(1.3)(2.0)(2.1)(1.4)(4.2)(5.6)(7.9)注1：温度或压力数值若处于表中所示值之间时，可以根据内插法确认最高使用温度或压力。注2：带括号的数值尽可能不使用。a此数据，法兰式阀门不适用表52.25Cr-1Mo钢〈WC9〉压力—温度额定值（第1类）温度℃压力等级16254063100160320205067110150260420600分级表示的工作压力MPa-29～381.62.02.54.15.26.57.09.610.515.816.726.332.941.961.5931.41.82.34.05.26.57.09.610.515.816.726.332.941.961.51491.31.62.11.95.16.46.89.410.215.416.325.632.042.759.82041.11.41.91.74.96.26.69.19.914.815.724.830.941.359.12601.01.21.71.54.75.86.28.59.314.014.921.429.238.954.53150.81.01.51.14.25.25.67.88.512.811.521.326.535.449.63430.70.91.41.04.15.15.57.68.312.411.120.725.834.548.33710.60.81.32.94.05.05.37.38.012.012.720.024.931.246.63990.50.71.22.71.74.75.06.97.511.211.818.721.331.141.64270.50.61.12.61.64.44.76.57.110.711.317.822.229.741.64540.40.40.92.41.44.34.66.26.810.310.917.121.328.540.04820.30.30.72.11.11.94.25.86.39.510.015.818.924.236.95100.20.20.61.82.61.21.54.85.37.98.311.216.522.131.05380.10.10.31.21.82.22.41.31.65.55.89.211.415.221.45650.1a0.10.20.81.21.51.62.32.51.71.96.17.610.214.3593(0.1)a(0.1)(0.2)(0.5)(0.8)(0.9)(1.0)(1.3)(1.5)(2.3)(2.4)(1.8)(4.7)(6.4)(9.0)注1：温度或压力数值若处于表中所示值之间时，可以根据内插法确认最高使用温度或压力。注2：带括号的数值尽可能不使用。a此数据，法兰式阀门不适用表69Cr-1Mo-V钢〈C12A〉压力—温度额定值（第1类）温度℃压力等级16254063100160320205067110150260420600分级表示的工作压力MPa-29～381.62.02.54.15.26.57.09.610.515.816.726.332.941.961.5931.41.82.34.05.26.57.09.610.515.816.726.332.941.961.51491.31.62.11.95.16.36.89.410.215.416.325.632.042.759.82041.11.41.91.74.96.16.58.99.714.615.724.330.940.657.92601.01.21.71.54.75.86.28.59.314.014.821.429.238.954.53150.81.01.51.14.25.25.67.88.512.811.521.226.535.449.63430.70.91.41.04.15.15.57.58.212.411.120.725.834.548.3表6（续）温度℃压力等级16254063100160320205067110150260420600分级表示的工作压力MPa3710.60.81.32.94.05.05.37.38.012.012.720.024.931.246.63990.50.71.22.71.74.75.06.97.511.211.818.721.331.141.64270.50.61.12.61.64.44.76.57.110.711.317.822.229.741.64540.40.41.02.41.44.04.36.26.810.210.817.121.328.540.04820.30.30.72.11.11.74.25.86.39.510.015.819.726.336.95100.20.20.61.82.71.31.64.95.48.18.611.516.922.631.75380.1a0.10.51.72.51.11.44.75.17.68.012.816.021.329.85650.1a0.10.51.72.51.11.44.65.07.57.912.615.721.129.85930.1a0.10.41.42.12.62.81.84.26.36.710.611.217.724.76210.1a0.10.31.11.61.92.02.81.14.74.97.89.711.018.36490.1a0.10.20.71.01.21.31.82.01.01.15.06.28.411.8注1：温度或压力数值若处于表中所示值之间时，可以根据内插法确认最高使用温度或压力。注2：带括号的数值尽可能不使用。a此数据，法兰式阀门不适用表7碳素钢〈WCB〉压力—温度额定值（第1类）温度℃压力等级1503006009001500200025003500分级表示的工作压力MPa-29～381.975.1010.2015.3125.5534.0442.5459.57931.794.629.3111.9621.2731.0338.7854.301491.594.529.0711.5822.6230.1737.7152.812041.384.388.7611.1021.8629.1336.4050.992601.174.148.2712.3820.6527.5334.4148.163160.971.797.5511.3118.8625.1531.4444.023430.861.697.4111.1018.5124.6830.8541.203710.761.697.3411.0318.3824.4930.6142.853990.661.486.9610.4117.3821.1728.9640.544270.552.835.698.5214.2018.9321.6531.10454(0.45)(1.86)(1.69)(5.55)(9.24)(12.31)(15.38)(21.51)注1：温度或压力数值若处于表中所示值之间时，可以根据内插法确认最高使用温度或压力。注2：带括号的数值尽可能不使用表80.5Mo钢〈WC1〉压力—温度额定值（第1类）温度℃压力等级1503006009001500200025003500分级表示的工作压力MPa-29～381.834.799.5814.3821.9331.9139.8955.85931.794.699.3814.0321.4131.2239.0254.641491.594.529.0011.4822.4829.9837.4752.472041.384.418.8311.2422.0629.4136.7551.472601.174.288.5812.8621.4128.5735.7249.993160.974.178.3412.5120.8627.8134.7548.643430.864.078.1012.1720.2727.0531.8247.333710.761.937.8311.7619.5826.1032.6145.683990.661.657.3411.0018.3424.4430.5442.754270.551.527.0010.5217.5121.3429.1740.824540.451.346.7210.0716.7922.3927.9939.20482(0.35)(1.10)(6.21)(9.31)(15.48)(20.65)(25.82)(36.16)注1：温度或压力数值若处于表中所示值之间时，可以根据内插法确认最高使用温度或压力。注2：带括号的数值尽可能不使用表91.25Cr-0.5Mo钢〈WC6〉压力—温度额定值（第1类）温度℃压力等级1503006009001500200025003500分级表示的工作压力MPa-29～382.005.1710.3415.5125.8634.4741.0960.33931.795.1710.3415.5125.8634.4741.0960.331491.594.969.9614.9324.8931.1841.4758.092041.384.799.5514.3421.8931.8639.8255.782601.174.599.1711.7622.9330.5738.2051.473160.974.178.3412.5120.8627.8034.7548.643430.864.078.1012.1720.2727.0531.8247.333710.761.937.8311.7619.5826.1032.6145.683990.661.657.3411.0018.3424.4430.5442.754270.551.527.0010.5217.5121.3429.1640.824540.451.346.7210.0716.7922.3927.9939.204820.351.106.219.3115.4820.6525.8236.165100.242.214.416.5911.0014.6618.3125.655380.141.482.974.487.459.9312.4117.385660.14a1.002.002.974.966.628.2711.58593(0.14)a(0.66)(1.31)(2.00)(1.31)(4.41)(5.52)(7.72)注1：温度或压力数值若处于表中所示值之间时，可以根据内插法确认最高使用温度或压力。注2：带括号的数值尽可能不使用a此数据，法兰式阀门不适用表102.25Cr-1Mo钢〈WC9〉压力—温度额定值（第1类）温度℃压力等级1503006009001500200025003500分级表示的工作压力MPa-29～382.005.1710.3415.5125.8634.4741.0960.33931.795.1710.3415.5125.8634.4741.0960.331491.595.0310.0315.0725.1031.4741.8558.612041.384.869.7214.5824.3432.4440.5457.952601.174.599.1711.7622.9330.5638.2051.473160.974.178.3412.5120.8627.8034.7548.643430.864.078.1012.1720.2727.0531.8247.333710.761.937.8311.7619.5826.1032.6145.683990.661.657.3411.0018.3424.4430.5442.754270.551.527.0010.5217.5121.3429.1740.824540.451.346.7210.0716.7922.3927.9939.204820.351.106.219.3115.4820.6525.8236.165100.242.595.217.7911.0017.3421.6830.375380.141.791.595.389.0011.9814.9620.965660.14a1.212.411.626.038.0310.0314.07593(0.14)a(0.76)(1.52)(2.28)(1.79)(5.05)(6.31)(8.83)注1：温度或压力数值若处于表中所示值之间时，可以根据内插法确认最高使用温度或压力。注2：带括号的数值尽可能不使用a此数据，法兰式阀门不适用表119Cr-1Mo-V钢〈C12A〉压力—温度额定值（第1类）温度℃压力等级1503006009001500200025003500分级表示的工作压力MPa-29～382.005.1710.3415.5125.8634.4741.0960.33931.795.1710.3415.5125.8634.4741.0960.331491.595.0310.0315.0725.1031.4741.8558.612041.384.869.7214.5824.3432.4440.5457.952601.174.599.1711.7622.9330.5638.2051.473160.974.178.3412.5120.8627.8034.7548.643430.864.078.1012.1720.2727.0531.8247.333710.761.937.8311.7619.5826.1032.6145.68表11（续）温度℃压力等级1503006009001500200025003500分级表示的工作压力MPa3990.661.657.3411.0018.3424.4430.5442.754270.551.527.0010.5217.5121.3429.1740.824540.451.346.7210.0716.7922.3927.9939.204820.351.106.219.3115.4820.6525.8236.165100.242.665.348.0011.3117.7522.2031.105380.142.525.007.5212.5516.7220.8929.235660.14a2.484.967.4512.4116.5520.6828.965930.14a2.074.176.2410.4111.8817.3424.276210.14a1.551.074.627.6910.2412.7917.936490.14a1.002.002.974.966.628.2711.58注1：温度或压力数值若处于表中所示值之间时，可以根据内插法确认最高使用温度或压力。a此数值仅适用于焊接端阀门表12碳素钢〈WCB〉压力—温度额定值（第2类）温度℃压力等级205067110150260420600分级表示的工作压力MPa-29～3826.341.961.59326.341.961.514926.341.961.520426.341.961.526026.341.961.5315254258.534324.64157.337124.440.656.939922.136.951.742718.130.142.2454(11.7)(19.6)(27.4)注1：温度或压力数值若处于表中所示值之间时，可以根据内插法确认最高使用温度或压力。注2：带括号的数值尽可能不使用表131.25Cr-0.5Mo钢〈WC6〉压力—温度额定值（第2类）温度℃压力等级205067110150260420600分级表示的工作压力MPa-29～3826.341.961.59326.341.961.514926.341.961.520426.341.961.526026.341.961.531526.341.961.534326.341.961.537125.841.060.139925.642.759.842725.342.259.145421.839.755.648220.634.448.351014.021.332.75389.515.822.15656.310.514.8593(4.2)(7.0)(9.8)注1：温度或压力数值若处于表中所示值之间时，可以根据内插法确认最高使用温度或压力。注2：带括号的数值尽可能不使用表142.25Cr-1Mo钢〈WC9〉压力—温度额定值（第2类）温度℃压力等级205067110150260420600分级表示的工作压力MPa-29～3826.341.961.59326.341.961.514926.041.460.820425.442.459.426025.342.259.131525.342.259.134325.241.958.737125.041.758.339924.340.456.6表14（续）温度℃压力等级205067110150260420600分级表示的工作压力MPa42721.639.455.245422.637.652.748221.035.149.251016.527.638.753811.519.126.75657.712.817.9593(4.8)(8.0)(11.2)注1：温度或压力数值若处于表中所示值之间时，可以根据内插法确认最高使用温度或压力。注2：带括号的数值尽可能不使用表159Cr-1Mo-V钢〈C12A〉压力—温度额定值（第2类）温度℃压力等级205067110150260420600分级表示的工作压力MPa-29～3826.341.961.59326.341.961.514926.341.961.520426.341.961.526026.341.961.531526.341.961.534326.341.961.537125.742.960.139925.642.659.842725.342.059.145421.839.755.648221.135.149.251016.627.638.753814.824.634.556514.824.634.559311.222.130.96219.816.322.86496.310.514.8注1：温度或压力数值若处于表中所示值之间时，可以根据内插法确认最高使用温度或压力。表16碳素钢〈WCB〉压力—温度额定值（第2类）温度℃压力等级1503006009001500200025003500分级表示的工作压力MPa-29～3825.8634.4741.0960.339325.8634.4741.0960.3314925.8634.4741.0960.3320425.8634.4741.0960.3326025.8634.4741.0960.3331624.5832.7740.9657.3334324.1032.1340.1656.2337121.9331.8939.8555.8139921.7228.9636.2050.6842717.7221.6329.5441.37454(11.51)(15.36)(19.20)(26.89)注1：温度或压力数值若处于表中所示值之间时，可以根据内插法确认最高使用温度或压力。注2：带括号的数值尽可能不使用表171.25Cr-0.5Mo钢〈WC6〉压力—温度额定值（第2类）温度℃压力等级1503006009001500200025003500分级表示的工作压力MPa-29～3825.8634.4741.0960.339325.8634.4741.0960.3314925.8634.4741.0960.3320425.8634.4741.0960.3326025.8634.4741.0960.3331625.8634.4741.0960.3334325.8634.4741.0960.3337125.2731.7042.1358.9939925.1331.4941.8558.6142724.8231.1041.3757.9245421.3431.1338.9254.5048220.2426.9931.7547.2351011.7618.3222.8932.065389.3112.4115.5121.725666.218.2710.3414.48593(4.14)(5.52)(6.90)(9.65)注1：温度或压力数值若处于表中所示值之间时，可以根据内插法确认最高使用温度或压力。注2：带括号的数值尽可能不使用表182.25Cr-1Mo钢〈WC9〉压力—温度额定值（第2类）温度℃压力等级1503006009001500200025003500分级表示的工作压力MPa-29～3825.8634.4741.0960.339325.8634.4741.0960.3314925.5534.0842.6159.6420424.9631.2941.6158.2626024.8231.1041.3757.9231624.8231.1041.3757.9234324.6832.9141.1357.5737124.5132.7040.8957.2339921.7931.7239.6555.5042721.2030.9238.6554.1245422.1729.5436.9251.7148220.6827.5834.4748.2651016.2421.6727.1037.9253811.2414.9818.7226.