309焊丝生产309L不锈钢焊丝

AISI 材质	化学成分(%)
	C	Si	Mn	P	S	Ni	Cr	Mo
304	≤0.08	≤1.00	≤2.00	≤0.045	≤0.030	8.00~10.50	18 .0~20 .0	0.00
308	≤0.08	≤0.65	≤2.50	≤0.030	≤0.030	9.00~11.00	19.5~22.0	-0.75
309	≤0.12	≤0.65	≤2.50	≤0.030	≤0.030	12.00~14.00	23.0~25.0	-0.75
316	≤0.045	≤1.00	≤2.00	≤0.045	≤0.030	10.00~14.00	10.0~18.0	2.00---3.00
316L	≤0.030	≤1.00	≤2.00	≤0.045	≤0.030	12.00~15.00	16.0~18.0	2.00---3.00
310	≤0.15	≤0.75	≤2.50	≤0.030	≤0.030	20.00~22.50	25.0~28.0	-0.75
321	≤0.08	≤0.30	≤0.75	≤0.030	≤0.50	9.00~10.50	18.5~20.5           0.75