Aluminum alloys

　　铝

　　合

　　金

　　Al 109

　　TAl

　　Pure aluminum, excellent corrosion resistance and middle strength. Welding of pure aluminum.

　　纯铝，耐蚀性好，但强度不高，纯铝焊接用

　　E1100

　　Al 209

　　TAlSi

　　Silicon aluminum, good crack resistance and wide range of usage. Welding of aluminum alloys other than aluminum magnesium alloys.

　　铝硅，抗裂性好，通用性大。铝合金焊接用，不宜焊接铝镁合金

　　E4043

　　Al 309

　　TAMn

　　Manganese aluminum, corrosion resistance and high strength. Welding of aluminum alloys.

　　铝锰，强度高，耐蚀。铝合金焊接用

　　E3003

　　Al 209铝硅电焊条E4043