The HCT780X(DP800) steel grade is a high-strength, dual-phase steel specifically designed for use in vehicle safety applications. It offers a combination of high strength and good formability, making it an ideal choice for applications where both crashworthiness and lightweight design are important.
Mechanical Composition:
– Tensile Strength: 780-950 MPa
– Yield Strength: 690-830 MPa
– Elongation: 13-19%
– Hardness: 210-280 HB
Chemical Composition:
– Carbon (C): 0.15% max
– Manganese (Mn): 2.00% max
– Phosphorus (P): 0.100% max
– Sulfur (S): 0.025% max
– Silicon (Si): 0.80% max
– Aluminum (Al): 2.00% max
– Titanium (Ti): 0.15% max
– Boron (B): 0.005-0.015%
The HCT780X(DP800) steel grade is known for its excellent energy absorption capability, making it a key material for improving vehicle safety and crash performance. Its high strength allows for the design of lighter weight components, contributing to overall fuel efficiency and sustainability in automotive applications.