What age group does a man has the most raw strength of his life exclude speed and fitness?

actually, it is the whole age group you described. the most raw strength you will have is usually between 22-35. those will be the strongest time periods in a male's life. the peak will happen about between ages 26-32. thats why if you watch the world's strongest man, competitors or usually no younger than 26 and no older than 35...with the exception of mark felix who in his 40s is still very very strong.