金属管道材料许用应力、柔性和应力增大系数、焊接结构、波纹膨胀节设计、制造和安装、压力面积法补强计算.docx

附录A金属管道材料的许用应力A.0.1表Aol给出了符合本规范要求的材料牌号和许用应力。A.0.2表A.0.2给出了符合本规范要求的螺栓材料牌号和许用应力。A.0.3表A.0.3给出了表AOl所列管子与对焊管件的纵向焊接接头系数Ej,管子与对焊管件的纵向焊接接头系数应符合GB/T50316中的3.2.5和表3的规定。A.0.4表A.0,4给出了表A.0.1所列铸件的铸件质量系数氏,铸件质量系数应符合GB/T50316中表3.2.4和表4的规定。A.0.5表AOl许用应力表的使用应符合下列要求：1表AoI中的许用应力未计入管子和对焊管件的纵向焊接接头系数、焊接接头高温强度降低系数以及铸件质量系数；焊接接头高温强度降低系数按GB/T50316中3.2.7的规定；2表AOl未列温度的许用应力可采用内插法计算；3表Aol未列温度的许用应力可采用内插法计算；4表列斜体许用应力值取决于抗拉强度；黑体取决于长期（持久、蠕变）强度；正体取决于屈服强度；正体加下横线取决于90%中温屈服强度；正体加灰底色表示许用应力值高于2/3中温屈服强度；5材料使用温度上限及对应的许用应力按表列所示（而不是表头所示温度）；6材料最低使用温度按表列温度或图4.3.6所示曲线，数字表示最低使用温度，英文字母A或B表示图4.3.6中的曲线，材料尚应满足第4章以及相应注解的要求。标准号ta0厚度(mm)最低使用温度下跟/r常温强度指标（MPa）最高使用温度Q在下列温度（C）下的许用应力/（MPa）脚注Ob%40651001502002503003253503754004254504755005255505756001铸铁1铸铁1.1灰铸铁1.1灰铸铁GBT9439HT200-10200230202020202020(230'C)a.cGB/T9439HT250-10250230252525252525(230*C)a,cGBH-9439HT300-10300230303030303030(230C)a,cGB/T9439HT350-10350230353535353535(23(FC)a,c1.2球携铸铁1.2球IS铸铁GBT1348QT400-1804002503501331241181131061009591b.cGBT1348QT400-181.-20400250350133124IlS1131061009591b,c1.3可锻铸铁（思芯）1.3可锻馅铁（思芯）GRT9440KTH3004)6-2030030060606060606060a»cGBT9440KTH350-10-2035020030070707070707070a,c2.碳纲（包括碳钛钢）2.碳钢（包括碳镭钢）2.1无缝管2.1无缝管GB/T81631016B33520559311211211211211211210810597.084.373.364.055.843.931.721.414.29.406.89(593IC)dGB/T816310>1630B33519559311211211211010610296.994.191.284.373.364.055.843.931.721.414.29.406.89(593*C)dGB/T816310>30B33518559311211211211010610296.994.191.284.373.364.055.843.931.721.414.29.406.89(593C)dGBb994810全部B33020559311211211211211211210810597.084.373.364.055.843.931.721.414.29.406.89(593P)dGBT64791016B33520559311211211211211211210810597.084.373.364.055.843.931.721.414.29.406.89(593P)d,kGBT647910>1640B33519559311211211211010610296.994.191.284.373.364.055.843.931.721.414.29.406.89(593C)d.k标准号钢号厚度(mm)最低使用温度卜限*C常温强度指标(MPa)高用品c最使激度在下列温度CC)下的许用应力/(MPa)脚注b%4065100150200250300325350375400425450475500525550575600GBTT647910>40B33518559311211211211010610296.994.191.284.373.364.055.843.931.721.414.29.406.89(593C)d,kGBT30871016B33520559311211211211211211210810597.084.373.364.055.843.931.721.414.29.406.89(593C)dGB/T308710>16B33519559311211211211010610296.994.191.284.373.364.055.843.931.721.414.29.406.89(59310)dGR/T97111.245/B(PS1.l)全部B41524559313813813813813813212612211811395.179.562.645.031.721.414.29.406.89(593C)d,gGB97111.245/B(PS1.2)全部-3041524559313813813813813813212612211811395.179.562.645.031.721.414.29.406.89(593C)d,g,kGB/T81632016B41024559313713713713713713212612211811395.179.562.645.031.721.414.29.406.89(593C)dGBb816320>1630B41023559313713713713713713212612211811395.179.562.645.031.721.414.29.406.89(593)dGRT816320>30B410225593137137134130126121115Ill10810595.179.562.645.031.721.414.29.406.89(593C)dGWT30872016B41024559313713713713713713212612211811395.179.562.645.031.721.414.29.406.89(593X?)dGB11308720>16B41023559313713713713713713212612211811395.179.562.645.031.721.414.29.406.89(593)dGWT531020G全部B41024559313713713713713713212612211811395.179.562.645.031.721.414.29.406.89(593IC)dGB/T531020MnG全部B41524059313813813813813813212612211811395.179.562.645.031.721.414.29.406.89(593)dYB/T417320G全部B41024559313713713713713713212612211811395.179.562.645.031.721.414.29.406.89(593C)dYB/T417320MnGB41524059313813813813813813212612211811395.179.562.645.031.721.414.29.406.89(593DdGB/T64792016B410245593137137137137