Coefficient de réduction pour distance au bord en cas de traction transversale
Chimique405060708090100110120130140150160170180190200210220230240250260270280290300310320330340350360370
M80.40.50.60.70.80.91
M100.450.550.640.730.820.911
M120.440.520.590.670.740.810.890.961
M140.40.470.530.60.670.730.80.870.931
M160.410.470.530.590.650.710.760.820.880.941
M200.430.480.520.570.620.670.710.760.810.860.90.951
M220.430.470.510.550.60.640.680.720.770.810.850.890.940.981
M240.420.460.50.540.580.620.650.690.730.770.810.850.880.920.961
M270.410.440.470.50.530.560.590.630.660.690.720.750.780.810.840.880.910.940.971
M300.380.410.430.460.490.510.540.570.590.620.650.680.70.730.760.780.810.840.860.890.920.950.971