CP800 steel is one kind of ultra high strength steel. Its microstructure is mainly made of ferrite and bainite with a small amount of martensite, residual austenite and pearlite.

CP800 steel Chemical Composition %

CP800 steel mechanical properties

CP800 steel has the following features :

1. CP steel is one kind of ultra high strength steel. Its microstructure is mainly made of ferrite and bainite with a small amount of martensite, residual austenite and pearlite.
2. The grain size is fine due to the microalloying additions such as Ti , Nb, etc.
3. Apart from hard phases such as martensite and bainite, matrix is also strengthened by small dispersed precipitates.
4. The chemical composition system is the same as DP and TRIP steels.
5. Its yield ratio is relatively high and its elongation is relatively low compared to those of DP steels and TRIP steels in same tensile strength level.
6. With good benability and stretch flangeability, CP steel can be used to manufacture parts with complex shapes.）

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