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
