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CP multiphase steel series products HC570/780CP, HC570/780CPD+Z,…

Features and Applications

This steel matrix is predominantly composed of bainite and ferrite, with smaller amounts of martensite, retained austenite, and pearlite present in the structure. The resulting fine-grained structure of this steel leads to high tensile strength, and notably higher yield strength when compared to dual-phase steel of equivalent tensile strength. Additionally, it boasts superior bending and reaming performance, excellent flanging formability, and a high energy absorption capacity. As a result, this steel is ideal for use in applications such as chassis suspension, B pillars, bumpers, seat rails, and more.

Uncoated CP steel

Grade

Mechanical properties 
YS(MPa)TS(MPa)EL(%)
HC570/780CP
570~700≥780≥11
HD680/780CP
680~830≥780≥10
HC780/980CP
780-950≥980≥7
HC900/1180CP
900-1100≥1180≥6

Hot dip galvanized CP steel

Grade

Mechanical properties 
YS(MPa)TS(MPa)EL(%)
HC570/780CPD+Z
570~720780~920≥11
HC780/980CPD+Z
780~950980~1140≥7
HD660/760CPD+Z
660-820760-950≥11

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