平焊钢法兰JB81-59Pg=0.6MPa公称通径管子外径法 兰螺 栓螺母单重（kg）焊 接法兰理论重量（kg）外径螺孔中心直径连接凸出直径凸出部分高度法兰厚度螺栓孔直径GB18-58焊接直角边长管壁最小厚度管与法兰边距数量直径与长度单重（kg）Dgd0DD1D2fbdKsH≈1014755032212124M10X380.0350.0113340.3131518805540212124M10X380.0350.0113340.3352025906550214124M10X400.0360.0113340.53625321007560214124M10X400.0360.01143.550.64132381209070216144M12X480.0580.01643.551.097404513010080316144M12X480.0580.01643.551.219505714011090316144M12X480.0580.01643.551.3486573160130110316144M12X480.0580.0165461.678089185150120316184M16X550.1190.0325462.48100108205170145316184M16X550.1190.0325462.89125133235200175320188M16X600.1260.0325463.94150159260225200320188M16X600.1260.03254.564.37175194290255230322188M16X650.1340.0326675.50200219315280255322188M16X650.1340.0327686.02225245340305280322188M16X650.1340.0328796.72502733703353103241812M20X700.2390.03298108.033003254353953624242312M20X700.2390.061981010.33503774854554124262312M20X750.2520.0611091113.54004265354954524282316M20X800.2640.0611091115.34504785905505064282316M20X800.2640.0611091117.535005296406005584302316M20X850.2760.0611091120.676006307557156705302520M20X850.3350.0731091126.07注：螺母型号及标记示例 螺母AM10 GB45-58 平焊钢法兰JB81-59Pg=1.0MPa公称通径管子外径法 兰螺 栓螺母单重（kg）焊 接法兰理论重量（kg）外径螺孔中心直径连接凸出直径凸出部分高度法兰厚度螺栓孔直径GB18-58焊接直角边长管壁最小厚度管与法兰边距数量直径与长度单重（kg）Dgd0DD1D2fbdKsH≈1014906040212144M12X400.0510.0163340.0851518956545212144M12X400.0510.0163340.51120251057555214144M12X450.0550.0163340.74825321158565214144M12X450.0550.01643.550.89323813510078216184M16X500.1110.03243.551.40404514511085318184M16X550.1190.03243.551.715057160125100318184M16X550.1190.03243.552.096575180145120320184M16X600.1260.0325462.848089195160135320184M16X600.1260.0325463.24100108215180155322188M16X650.1340.0325464.01125133245210185324188M16X700.1420.0325465.4150159280240210324238M20X700.2390.06154.566.12175194314280240324238M20X700.2390.0616677.44200219335295265324238M20X700.2390.0617688.24225245365325295324238M20X700.2390.0618799.302502733903503203262312M20X750.2520.061981010.13003254404003684282312M20X800.2640.061981012.93503775004604284282316M20X800.2640.0611091115.94004265655154824302516M22X850.3350.0731091121.84504786155655324302520M22X850.3350.0731091124.45005296706205854332520M22X900.3490.0731091127.76006307807256855363020M24X1050.6370.1551091139.4注：螺母型号及标记示例 螺母AM10 GB45-58 平焊钢法兰JB81-59Pg=1.6MPa公称通径管子外径法 兰螺 栓螺母单重（kg）焊 接法兰理论重量（kg）外径螺孔中心直径连接凸出直径凸出部分高度法兰厚度螺栓孔直径GB18-58焊接直角边长管壁最小厚度管与法兰边距数量直径与长度单重（kg）Dgd0DD1D2fbdKsH≈1014906040214144M12X450.0550.0163340.5471518956545214144M12X450.0550.0163340.71120251057555216144M12X500.0590.0163340.86725321158565218144M12X500.0590.01643.551.174323813510078318184M16X550.1190.03243.551.60404514511085320184M16X600.1260.03243.552.005057160125100322184M16X650.1340.03243.552.416573180145120324184M16X700.1420.0325463.458089195160135324188M16X700.1420.0325463.71100108215180155326188M16X700.1。