42CrMo enweghị nkebi ígwè ọkpọkọ bụ nke ultra-elu ike ígwè, na elu ike na ike, ezigbo hardenability, enweghị doro anya tempering brittleness, elu ike ọgwụgwụ na multi mmetụta nguzogide mgbe quenching na tempering, na ezi ala-okpomọkụ mmetụta toughnes ...
GỤKWUO