焊接最小拉力列表.doc

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1、焊接型号圆周截面面（So）最小值（Fb）标准值区间备注HRB3351236113.11251.4611.511.1-11.9σb≥455HRB3351449153.91470.0213.413.0-13.8σb≥455HRB3351664201.11691.5015.415.0-15.8σb≥455HRB3351881254.518115.8017.316.9-17.7σb≥455HRB33520100314.220142.9619.318.8-19.8σb≥455HRB33522121380.122172.9521.320.8-21.8σb≥455HRB33525

2、156.25490.925223.3624.223.7-24.7σb≥455HRB33528196615.828280.1927.226.6-27.8σb≥455焊接型号圆周截面面（So）最小值（Fb）标准值区间备注HRB4001236113.11261.0711.511.1-11.9σb≥540HRB4001449153.91483.1113.413.0-13.8σb≥540HRB4001664201.116108.6015.415.0-15.8σb≥540HRB4001881254.518137.4317.316.9-17.7σb≥540HRB400201003

3、14.220169.6919.318.8-19.8σb≥540HRB40022121380.122205.2521.320.8-21.8σb≥540HRB40025156.25490.925265.0924.223.7-24.7σb≥540HRB40028196615.828332.5327.226.6-27.8σb≥540钢材焊接最小拉力表