I'm the same height as you, weigh about 8 lbs more. My squat and press worksets are higher than yours, my bench and DL worksets are lower than yours. I feel I'm nowhere near my potential yet, and see no issue is squatting or deadlifting over 4 plates in a few months if I keep eating. Three years ago I was an extremely fat, soft 250, and I'd love to exceed that weight soon, just with a lot more muscle mass than I used to have.