焊接最小拉力列表.doc

焊接型号圆周截面面（So）最小值（Fb）标准值区间备 注HRB335 1236113.112 51.4611.511.1-11.9b455HRB335 1449153.914 70.0213.413.0-13.8b455HRB335 1664201.116 91.5015.415.0-15.8b455HRB335 1881254.518 115.8017.316.9-17.7b455HRB335 20100314.220 142.9619.318.8-19.8b455HRB335 22121380.122 172.9521.320.8-21.8b455HRB335 25156.25490.925 223.3624.223.7-24.7b455HRB335 28196615.828 280.1927.226.6-27.8b455焊接型号圆周截面面（So）最小值（Fb）标准值区间备 注HRB400 1236113.112 61.0711.511.1-11.9b540HRB400 1449153.914 83.1113.413.0-13.8b540HRB400 1664201.116 108.6015.415.0-15.8b540HRB400 1881254.518 137.4317.316.9-17.7b540HRB400 20100314.220 169.6919.318.8-19.8b540HRB400 22121380.122 205.2521.320.8-21.8b540HRB400 25156.25490.925 265.0924.223.7-24.7b540HRB400 28196615.828 332.5327.226.6-27.8b540钢材焊接最小拉力表