The results of the experiments show that the quality of the welding seam between the flangegirth of steel beam and the seal plate is very important to the function of the joint;
试验结果表明，钢梁翼缘与封口板之间连接焊缝的焊接质量对节点性能至关重要；
2
All nozzle flange and girthflange bolts shall be of stud bolt type.
所有设备口法兰及翼缘法兰螺栓应为双头螺栓。
3
Girthflange bolting shall be of stud bolt type, threaded full length, and at least M16 for flange of 600 mm and smaller inside diameter and at least M20 for over 600 mm inside diameter flange.