3、Analysis and Control on Surface Crack of Cold Heading Steel;
6、Composition Design and Process Study of the Micro-alloyed Non-tempered Steel for Cold Heading
2、Development and Production of SWRCH22A Cold Heading Steel
7、A Study on Delayed Fracture Resistance of Low Carbon Nb-V Microalloying High Strength Cold Heading Boron Steel
5、Research on Process Experiment of Cold Heading Mould of High-duty Screw Fastener
1、Carbon Steel Wire Rods for Cold Heading & Cold Forging
4、The Practice for Cold Heading Steel of ML08Al by Continous Casting Process
