一、SA542TypeBCl1/SA542TypeBCl2/SA542TypeBCl3/SA542TypeBCl4/SA542TypeBCl4a钢板简介和适用范围:SA542TypeBCl1/SA542TypeBCl2/SA542TypeBCl3/SA542TypeBCl4/SA542TypeBCl4a钢板是压力容器用淬火加回火的铬钼和铬钼…