Tool steel is generally purchased in the annealedcondition. Sometimes it is necessary to rework a tool that has been hardened, and the tool must then be annealed. For.
The ductile-embrittlement transition temperature of vermicular graphite cast iron increased with increasing phosphorus content both in the as-cast and annealedcondition.
蠕铁的韧性——脆性转变温度铸态和退火态均随磷含量的增加而升高。
3
The influence of process condition such as spinning pack, cooling condition, collection oiling, annealed zone, drawing condition etc on products quality were expounded.