Al 109斯米克焊条焊丝
Purealuminum,excellentcorrosionresistanceandmiddlestrength.Weldingofpurealuminum.纯铝,耐蚀性好,但强度不高,纯铝焊接用Purealuminum,excellentcorrosionresistanceandmiddlestrength.Weldingofpurealuminum.纯铝,耐蚀性好,但强度不高,纯铝焊接用Purealuminum,excellentcorrosionresistanceandmiddlestrength.Weldingofpurealuminum.纯铝,耐蚀性好,但强度不高,纯铝焊接用Purealuminum,excellentcorrosionresistanceandmiddlestrength.Weldingofpurealuminum.纯铝,耐蚀性好,但强度不高,纯铝焊接用Purealuminum,excellentcorrosionresistanceandmiddlestrength.Weldingofpurealuminum.纯铝,耐蚀性好,但强度不高,纯铝焊接用)