▎ 摘　　要

NOVELTY - Metallurgical material comprises 1-10 pts. wt. chromium, 10-20 pts. wt. polyester, 20-30 pts. wt. Ulmus pumila powder, 12-22 pts. wt. sandalwood powder, 10-20 pts. wt. manganese and 1-10 pts. wt. graphene. USE - The metallurgical material is useful for wear-resistant valves (claimed). ADVANTAGE - The metallurgical material is harmless to human body. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing metallurgical material mold, comprising (i) grinding polyester, Ulmus pumila powder and manganese into powder, and then adding into a container, (ii) stirring for 30-50 minutes, and then heating at 300-350 degrees C for 40-60 minutes, (iii) adding chromium, sandalwood powder and graphene while stirring, heating at 400-450 degrees C for 30-50 minutes, and (iv) cooling to 100-150 degrees C for 80-120 minutes, then stirring, cooling and shaping.