HC500/780DP common cold rolled DP steel microstructure: mainly with ferrite and martensite, Martensite disperses in the ferrite matrix with island shape.

HC420/780DP common cold rolled DP steel microstructure: mainly with ferrite and martensite, Martensite disperses in the ferrite matrix with island shape.

HC290/490DP common cold rolled DP steel performance features: with no yield elongation, no room temperature aging, low yield ratio, high work hardening exponent and high bake hardening value.

HC280/590DP common cold rolled DP steel microstructure: mainly with ferrite and martensite.

HC250/450DP common cold rolled DP steel microstructure: mainly with ferrite and martensite.

HC1350/1700MS performance features: high yield ratio, high tensile strength, relatively low elongation, the tendency of delayed cracking should be noticed.