铸造不锈钢的化学成分

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牌号	化学成分（％）
	C	Si	Mn	P	S	Ni	Cr	Mo	Cu	其他
SCS1	≤0.15	≤1.50	≤1.00	≤0.04	≤0.04	①	11.5~14.0	②
SCSCS2	0.16~0.24	≤1.50	≤1.00	≤0.04	≤0.04	①	11.5~14.0	②
SCS2A	0.25~0.40	≤1.50	≤1.00	≤0.04	≤0.04	①	11.5~14.0	②
SCS3	≤0.15	≤1.50	≤1.00	≤0.04	≤0.04	0.50~1.510	11.5~14.0	0.15~1.00
SCS4	≤0.15	≤1.50	≤1.00	≤0.04	≤0.04	0.50~2.50	11.5~14.0
SCS5	≤0.06	≤1.00	≤1.00	≤0.04	≤0.04	3.50~4.50	11.5`14.0
SCS6	≤0.06	≤1.00	≤1.00	≤0.04	≤0.04	3.50~4.50	~11.5~14.0	0.40~1.00
SCS10	≤0.03	≤1.50	≤1.50	≤0.04	≤0.04	4.50~8.50	21.0~26.0	2.50~4.00		N0.08~0.30③
SCS11	≤0.08	≤1.50	≤1.00	≤0.04	≤0.04	4.00~7.00	23.0~27.0	1.50~2.50
SCS12	≤0.20	≤2.00	≤2.00	≤0.04	≤0.04	8.00~11.00	18.0~21.0
SCS13	≤0.08	≤2.00	≤2.00	≤0.04	≤0.04	8.00~11.00	18.0~21.0
SCS13A	≤0.08	≤2.00	≤1.50	≤0.04	≤0.04	8.00~11.00	18.0~21.0
SCS14	≤0.08	≤2.00	≤2.00	≤0.04	≤0.04	10.0~14.0	17.0~20.0	2.00~3.00
SCS14A	≤0.08	≤1.50	≤1.50	≤0.04	≤0.04	9.0~12.0	18.0~21.0	2.00~3.00
SCS15	≤0.08	≤2.00	≤2.00	≤0.04	≤0.04	10.0~14.0	17.0~20.0	1.75~2.75	1.00~2.50
SCS16	≤0.03	≤1.50	≤2.00	≤0.04	≤0.04	12.0～16.0	17.0～20.0	2.00~3.00
SCS16A	≤0.03	≤1.50	≤1.50	≤0.04	≤0.04	9.00～13.0	17.0～21.0	2.00~3.00
SCS17	≤0.20	≤2.00	≤2.00	≤0.04	≤0.04	12.0～15.0	22.0～26.0
SCS18	≤0.20	≤2.00	≤2.00	≤0.04	≤0.04	19.0～22.0	23.0～27.0
SCS19	≤0.03	≤2.00	≤2.00	≤0.04	≤0.04	8.00～12.0	17.0～21.0
SCS19A	≤0.03	≤2.00	≤1.50	≤0.04	≤0.04	8.00～12.0	17.0～21.0
SCS 20	≤0.03	≤2.00	≤2.00	≤0.04	≤0.04	12.0～16.0	17.0～20.0	1.75~2.75	1.00~2.50
SCS 21	≤0.08	≤2.00	≤2.00	≤0.04	≤0.04	9.0～12.00	18.0~21.0
SCS22	≤0.08	≤2.00	≤2.00	≤0.04	≤0.04	10.0～14.0	17.0~21.0	2.00~3.00		Nb+Ta④
SCS23	≤0.07	≤2.00	≤2.00	≤0.04	≤0.04	27.5～30.5	19.0~22.0	2.00~3.00	3.00~4.00	Nb+Ta④
SCS24	≤0.07	≤1.00	≤1.00	≤0.04	≤0.04	3.00～5.00	15.5~17.5			Nb+Ta0.15~0.45

①可加入1.00％以下的Ni。

②允许含0.50％以下的Mo。

③必要时可相应加入表中未列的合金元素。

④Nb+Ta总量的下限为含量的10倍，上限为1.35％。