The Future of Lightweight and High-Strength Steel: HCT780X(DP800) Steel Grade

Mechanical Composition:
– Yield strength: 780 MPa
– Tensile strength: 900-1050 MPa
– Total elongation: 10-15%
– Minimum bending radius: 0.5t (t= material thickness)

Chemical Composition (approximate values):
– Carbon (C): 0.2%
– Manganese (Mn): 2.5%
– Silicon (Si): 0.6%
– Phosphorus (P): 0.08%
– Sulfur (S): 0.015%
– Aluminum (Al): 0.2%
– Titanium (Ti): 0.15%
– Boron (B): 0.005-0.010%
– Chromium (Cr): 0.03%
– Nickel (Ni): 0.30%
– Copper (Cu): 0.70%
– Vanadium (V): 0.20%