The invention is a kind of high-speed steel composite collars. The outer layer of the collars is high speed steel, the core of the collars is alloy nodular cast iron, the character lies in: the chemical elements o outer layer are: C 1.2-1.5%, Si 0.3-1.5%, Mn 0.4-1.0%, Cr 3.0-6.0 %, Mo 1.0-4.0%, V 1.0-4.0%, W 0.5-3.0%, Nb 0.5-2.0%, Ti 0.01-0.5%, RE 0.01-0.5%, P<0.05%, S<0.05%, the residue is Fe; the chemical elements of the core are: C 3.0-3.8%, Si 2.2-3.2%, Mn 0.3-0.8%, Ni 0.2-2.0%, Cr<0.3%, Mo<0.3%, Mg0.03-0.1%, RE>=0.03%, P<0.1%, S<0.03%, the residue is Fe. compared with current technology, the invention has a low cost, high rigidity, good wearability, long operation life and high efficiency.