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In Pangang 1450 hot strip mill,the 610MPa grade hot rolled sheet with stable mechanical properties using for automobile crossbeam was developed by adopting Nb-V microalloying design,controlled rolling and cooling.The ranges of its yield strength,tensile strength,elongation are 510-645MPa,615-710MPa,and 22%-30%,respectively.The average yield strength tensile strength,elongation are 569MPa,652MPa,26%,respectively.The P610L steel which produced in Pangang with excellent low temperature impact toughness and forming property,can fully meet the requirements of users.
In Pangang 1450 hot strip mill, the 610 MPa grade hot rolled sheet with stable mechanical properties using for automobile crossbeam was developed by Nb-V microalloying design, controlled rolling and cooling.The ranges of its yield strength, tensile strength, elongation are 510- 645 MPa, 615-710 MPa, and 22% -30% respectively. The average yield strength tensile strength, elongation are 569 MPa, 652 MPa, 26%, respectively. P610L steel which produced in Pangang with excellent low temperature impact toughness and forming property, can fully meet the requirements of users.