Study on Microstructures and Mechanical Properties of B510L Steel by TMCP

Long Li; Chun Zheng Yang; Hua Ding; Lin Xiu Du; Xianghua Liu; Guo Dong Wang; Hongmei Song; Pijun Zhang

doi:10.4028/www.scientific.net/MSF.475-479.77

Paper Titles

Evaluation of Corrosivity in Atmospheric Environment by ACM (Atmospheric Corrosion Monitor) Type Corrosion Sensor
p.61

Continuous Cooling Transformation Temperatures and Microstructures of Niobium Bearing Microalloyed Steels
p.65

Control of Martensitic Morphology in Thermal-Mechanical Processing of Ferrous Alloys
p.69

Characterization of Kinetics of Deformation-Enhanced Transformation in a Low Carbon Steel
p.73

Study on Microstructures and Mechanical Properties of B510L Steel by TMCP
p.77

Microstructural Evolution and Mechanical Properties of Modified 9%Cr-1%Mo Steel upon Isothermal Heat-Treatment
p.81

Formation and Control of the Acicular Ferrite in Low Carbon Microalloying Steel
p.85

Effects of the Finish Rolling Temperature on Mechanical Properties and Microstructure Evolution of Line Pipe Steel
p.89

Microstructures and Properties of a Bainite and Martensite Dual-Phase Cast Steel Fabricated by Combination of Alloying and Controlled Cooling Heat Treatment
p.93

HomeMaterials Science ForumMaterials Science Forum Vols. 475-479Study on Microstructures and Mechanical Properties...

Study on Microstructures and Mechanical Properties of B510L Steel by TMCP

Abstract:

TMCP treatments were carried out on B510L steel followed by using a pilot rolling mill. Effects of finish rolling temperature and coiling temperature on mechanical properties and microstructures of the steel were analyzed. The tensile and impact properties were measured and the microstructures were observed by OM, TEM and SEM. With a proper control of rolling and cooling conditions, the yield strength of 500MPa was obtained, which was much higher than that in normal production. The yield ratio and ductility of the experimental steel were also reasonable. It was revealed that a good combination of ferrite with bainite microstructure was ideal for good mechanical properties. It was also concluded that the strengthening mechanisms included solution hardening, fine ferrite grain hardening, bainite hardening and precipitation hardening. This work can provide an experimental basis for industrial productions.