10CrNi3MoV、980、10CrNi5MoV、921A

大于590MPa的舰船钢板代号921A，材质10CrNi3MoV。 大于780MPa级的高强船板980材质10CrNi5MoV。 HY-80对应921A，980可对比HY-100钢。 694992782@ Code 921A for ship steel plates greater than 590MPa, made of 10CrNi3MoV material. High strength ship plate 980 material 10CrNi5MoV with a pressure rating greater than 780MPa. HY-80 corresponds to 921A, 980 can be compared to HY-100 steel