Saw Cut from plate, oversized dimensions from listed size with saw cut edges on all 4 sides. 4130 is a widely used medium carbon steel containing chromium and molybdenum, it commonly known as "chromoly". A general purpose alloy, offering a combination of strength, toughness and hardness. Meets specs: ASTM A505, AMS 6345 Tolerances: Thickness: (-0/+.012), Width: (-0/+0.19), Length: (-0/+0.750)