1J30 C碳0.04 S硫0.020 P磷0.020 Mn锰≤0.40 Si硅≤0.03 Ni镍29.5~30.5 Cr铬- Co钴- M0钼- Cu铜- Al铝- Nb铌- Fe铁余量 其它元素- 软磁合 金:lJ06,1J12,lJl3,1J16,lJl7,1J18,1J22,1J30,1J31,1J32,1J33,1J34,1J36,1J38,1J40,1J