HC1200/1500MS performance features: high yield ratio, high tensile strength, relatively low elongation, the tendency of delayed cracking should be noticed.

HC1150/1400MS performance features: high yield ratio, high tensile strength, relatively low elongation, the tendency of delayed cracking should be noticed.

HC1030/1300MS performance features: high yield ratio, high tensile strength, relatively low elongation.

HC950/1180MS performance features: high yield ratio, high tensile strength.

HC700/980MS performance features: high yield ratio, high tensile strength, relatively low elongation, the tendency of delayed cracking should be noticed.

HC420/780TRD+Z hot-dip galvanized TRIP steel microstructure: ferrite, bainite and retained austenite, wherein the content of retained austenite is between 7% and 15%.