Tool steel is a type of carbon alloy steel that is well matched for tool manufacturing, such as hand tools or machine dies.
Ngwá ọrụ ígwè bụ ụdị carbon alloy steel nke kwekọrọ nke ọma maka imepụta ngwá ọrụ, dịka ngwaọrụ aka ma ọ bụ igwe na-anwụ.