ER309不锈钢焊丝

AWS YB5092-2005 焊丝化学成分（%） 用　　途

C Si Mn P S Cr Ni Mo Cu 其它

ER307 H1Cr21Ni9Mn4Mo 0.04-0.14 0.30-0.65 3.3-4.75 ≤0.030 ≤0.030 19.5-22.0 8.0-10.7 0.5-1.5 ≤0.75 　 用于装甲、集装箱的焊接

ER308 H08Cr21Ni10 Si ≤0.08 0.30-0.65 1.00-2.50 ≤0.030 ≤0.030 19.50-22.00 9.00-11.00 ≤0.75 ≤0.75 　 用于工作温度低于300℃的0Cr19Ni9不锈钢结构的焊接

ER308L H03Cr21Ni10 Si ≤0.030 0.30-0.65 1.00-2.50 ≤0.030 ≤0.030 19.50-22.00 9.00-11.00 ≤0.75 ≤0.75 　 用于超低碳00Cr19Ni10或0Cr18Ni10Ti不锈钢的焊接

ER308Si H08Cr21Ni10Si1 ≤0.08 0.65-1.00 1.00-2.50 ≤0.030 ≤0.030 19.50-22.00 9.00-11.00 ≤0.75 ≤0.75 　 用于工作温度低于300℃的0Cr19Ni9不锈钢结构的焊接

ER308LSi H03Cr21Ni10Si1 ≤0.030 0.65-1.00 1.00-2.50 ≤0.030 ≤0.030 19.50-22.00. 9.00-11.00 ≤0.75 ≤0.75 　 用于超低碳00Cr19Ni10或0Cr18Ni10Ti不锈钢的焊接

ER308L-G — ≤0.030 0.50-0.85 1.00-2.50 ≤0.015 ≤0.025 19.50-22.00 9.00-11.00 ≤0.75 ≤0.75 　 铁路货车专用焊材

ER309 H12Cr24Ni13Si ≤0.12 0.30-0.65 1.00-2.50 ≤0.030 ≤0.030 23.00-25.00 12.00-14.00 ≤0.75 ≤0.75 　 同类型不锈钢及异种钢的焊接