Coefficient de réduction pour distance au bord en cas de traction transversale |
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Chimique | 40 | 50 | 60 | 70 | 80 | 90 | 100 | 110 | 120 | 130 | 140 | 150 | 160 | 170 | 180 | 190 | 200 | 210 | 220 | 230 | 240 | 250 | 260 | 270 | 280 | 290 | 300 | 310 | 320 | 330 | 340 | 350 | 360 | 370 |
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M8 | 0.4 | 0.5 | 0.6 | 0.7 | 0.8 | 0.9 | 1 | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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M10 | | 0.45 | 0.55 | 0.64 | 0.73 | 0.82 | 0.91 | 1 | | | | | | | | | | | | | | | | | | | | | | | | | | |
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M12 | | | 0.44 | 0.52 | 0.59 | 0.67 | 0.74 | 0.81 | 0.89 | 0.96 | 1 | | | | | | | | | | | | | | | | | | | | | | | |
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M14 | | | 0.4 | 0.47 | 0.53 | 0.6 | 0.67 | 0.73 | 0.8 | 0.87 | 0.93 | 1 | | | | | | | | | | | | | | | | | | | | | | |
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M16 | | | | 0.41 | 0.47 | 0.53 | 0.59 | 0.65 | 0.71 | 0.76 | 0.82 | 0.88 | 0.94 | 1 | | | | | | | | | | | | | | | | | | | | |
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M20 | | | | | | 0.43 | 0.48 | 0.52 | 0.57 | 0.62 | 0.67 | 0.71 | 0.76 | 0.81 | 0.86 | 0.9 | 0.95 | 1 | | | | | | | | | | | | | | | | |
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M22 | | | | | | | 0.43 | 0.47 | 0.51 | 0.55 | 0.6 | 0.64 | 0.68 | 0.72 | 0.77 | 0.81 | 0.85 | 0.89 | 0.94 | 0.98 | 1 | | | | | | | | | | | | | |
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M24 | | | | | | | | 0.42 | 0.46 | 0.5 | 0.54 | 0.58 | 0.62 | 0.65 | 0.69 | 0.73 | 0.77 | 0.81 | 0.85 | 0.88 | 0.92 | 0.96 | 1 | | | | | | | | | | | |
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M27 | | | | | | | | | | 0.41 | 0.44 | 0.47 | 0.5 | 0.53 | 0.56 | 0.59 | 0.63 | 0.66 | 0.69 | 0.72 | 0.75 | 0.78 | 0.81 | 0.84 | 0.88 | 0.91 | 0.94 | 0.97 | 1 | | | | | |
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M30 | | | | | | | | | | | 0.38 | 0.41 | 0.43 | 0.46 | 0.49 | 0.51 | 0.54 | 0.57 | 0.59 | 0.62 | 0.65 | 0.68 | 0.7 | 0.73 | 0.76 | 0.78 | 0.81 | 0.84 | 0.86 | 0.89 | 0.92 | 0.95 | 0.97 | 1 |
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