Originally Posted by
cyccommute
Do you have any idea of how much 3mm is? Those are recommended tire widths. They aren’t hard and fast numbers. It not like the rims are designed for 47.0000000mm tires and any fraction over that leads to failure. On the other end, a 25mm tire (or even a 23mm tire) wouldn’t cause sudden failure.
I agree that the real world isn't binary where things surely fail if you go beyond the limit.
However the OP is pushing two limits. Using a slightly over wide tire might have been OK, but then taking it to it's maximum pressure could simply be too much.