DP-3T DP-3Pi S31260双相不锈钢2205B,SP S31500 2205常用双相不锈钢FerraIium 225T 329双相不锈钢FerraIium 225P,Sh,St不锈钢410CbB S41040不锈钢私和耐热钢414W S41400 CA6NM耐热钢S42200 LapeIIoy常用马氏体型不锈PH15-7MoP,Sh,St 632耐热钢17-4PH 17-4PHBF耐热钢不锈钢