汽车用螺纹紧固件拧紧扭矩规范.doc

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1、QC/T518-19994.6级螺纹直径mm螺距mm拧　紧　扭　矩标准值最大值最小值N·mkgf·mN·mkgf·mN·mkgf·m614.00.45.50.62.50.381.258.00.811.01.15.00.5818.50.911.51.25.50.6101.519.72.024.72.514.31.5101.2520.82.125.82.616.71.710121.82.226.52.717.01.7121.7537.33.843.34.428.02.9121.538.53.945.04.629.03.0121.2539.64.048.04.9

2、30.03.114261.26.275.07.646.84.8141.574.67.692.09.456.05.716295.09.7115.011.773.07.4161.5105.010.7133.013.676.07.7182.5142.914.6178.018.1107.410.9181.5157.616.1190.019.4124.512.7202.5188.019.2230.023.4135.013.8201.5203.720.8243.024.8149.025.25.6级螺纹直径mm螺距mm拧　紧　扭　矩标准值最大值最小值N·mkgf·mN·

3、mkgf·mN·mkgf·m614.50.56.00.63.00.381.2510.61.114.01.47.00.78111.01.115.01.58.00.8101.526.02.733.03.419.01.9101.2528.02.934.03.522.02.210129.03.035.03.623.02.3121.7545.04.653.05.437.03.8121.547.04.856.05.738.03.9121.2550.05.160.06.140.04.114281.08.395.09.762.06.3141.590.09.2105.010

4、.768.06.9162124.012.6150.015.398.010.0161.5132.013.5160.016.3101.010.3182.5190.019.4220.022.4161.016.4181.5200.020.4230.023.4165.016.8202.5231.623.6272.027.7190.019.4201.5246.625.1285.029.1197.320.18.8级螺纹直径mm螺距mm拧　紧　扭　矩标准值最大值最小值N·mkgf·mN·mkgf·mN·mkgf·m6190.9121.260.681.25232.3262.

5、7161.681252.5282.9171.7101.5596.0757.6373.8101.25636.4798.1454.6101646.5808.2464.7121.75959.711111.3737.4121.5979.911311.5757.6121.259910.111511.7788.014216016.318518.912212.4141.518018.320520.914614.916221521.924525.018218.6161.524024.527027.519920.3182.526827.329830.422923.3181.

6、531632.234635.328729.3202.543043.847047.938939.7201.544044.948048.939640.410.9级螺纹直径mm螺距mm拧　紧　扭　矩标准值最大值最小值N·mkgf·mN·mkgf·mN·mkgf·m101.5747.5909.2525.3101.25788.0939.5636.1101808.2959.7656.6121.7514014.315615.910510.7121.514214.515816.110610.8121.2514514.816116.410811.014217517.8200

7、20.414114.4141.521021.423524.017818.116228028.531031.620020.4161.530531.133534.124024.5182.543744.546747.638038.7181.546747.650751.739740.5202.552853.856857.945045.9201.555856.959861.047548.4