Due to its own characteristics and special service conditions,impact toughness is one of the main factors affecting the service life of H13 mandrel steel.

After quenching and tempering, material H13 steel core bar was broken during alignment There are naphthalene fractures on macroscopical fractures surface.

Study on thermal fatigue behavior of boriding layer of H13 steel;

Changes of morphology and composition of carbides in H13 steel after thermal fatigue;

Application of H13 steel hot extrusion dies treated by self-protecting paste Re-B-C-N multi-elements penetrating;

Application of argon atmosphere ion nitriding in improving the thermal fatigue behavior of steel H13;

Improvement of dehygenation annealing technology for forgings of steel H13;

Carbide dispersion carburizing of steel H13;

Influence of Initial Billet Temperature on Continuous Rolling Force Parameters of Φ250 mm Mandrel Steel by Finite Element Analysis;

Three Dimensional Finite Element Analysis on Stress, Strain andTemperature at Rolled End of Mandrel Steel Round Bar;

The hot continuous rolling process of φ210 mm large-size mandrel steel in 6VH tandem mill is simulated by three dimensional thermo-mechanical coupled elastoplastic FEM.

Low Phosphorus and Low Sulphur H13 Die Steel Melting by EF-LF(VD) Process;