904L,国标00Cr20Ni25Mo4.5Cu,双相不锈钢
304N,国标0Cr19Ni..
304L,国标00Cr19N..
304,国标0Cr18Ni9..
904L,国标00Cr20N..
1J117不锈耐蚀软磁合金
800HT,耐蚀合金,耐腐蚀钢