Grade 1xxx Alloys

Composition

Grade 1xxx Alloys are termed as commercially pure, or controlled unalloyed, with ≤0.30 Silicon, ≤0.50 Iron, ≤0.35 Copper, ≤0.30 Manganese, ≤0.30 Magnesium, ≤0.10 Chromium, ≤0.50 Zirconium, ≤0.20 Titanium, ≤0.05 ≤Boron, ≤0.03 Gallium & ≤0.05 Vanadium

Common Shapes

1xxx Series Alloys are commonly available in

  • Sheets and Plates

  • Drawn and extruded tubes and pipes 

  • Structural profiles

  • Extruded wire, rod and bars

  • Rolled and cold finished wires, rods and bars

  • Rivets

  • Forgings

  • Foil

(Not all alloys or tempers available in all shapes)

Characteristics

  • Good Workability

  • High corrosion and weathering resistance

  • Low strength

  • Ductile - easy to draw

  • Excellent electrical conductivity

Uses

  • Machinery used for chemical processing

  • Sheet metal work

  • Spun holloware

  • Electrical conductors

  • Overhead electrical cables

  • Domestic wiring

Weldability

Welding of Grade 1xxx Aluminium Alloys is easily achieved using GTAW welding techniques. Grade 1xxx Aluminium is also easily joined or added to using brazing or soldering.

Machinability

Grade 1xxx Alloys are not easily machined- they are far better suited to being extruded or drawn into shape.

Commonly Used Alloys (AA)

1050(A) | 1060 | 1065 | 1070(A) | 1080(A)

1085 | 1090 | 1098 | 1100(A) | 1110 | 1120

1145 | 1150 | 1185 | 1188 | 1190 | 1193 | 1198

1199 | 1200(A) | 1230(A) | 1235 | 1275 | 1285

1290 | 1300 | 1345 | 1350 | 1370 | 1450

Commonly Used Alloys (UNS)

A91050(A) | A91060 | A91065 | A91070(A)

A91080(A) | A91085 | A91090 | A91098

A91100(A) | A91110 | A91120 A91145 | A91150 | A91185 | A91188 | A91190

A91193 | A91198 | A91199 | A91200(A)

A91230(A) | A91235 | A91275 | A91285 A91290 | A91300 | A91345 | A91350 | A91370 A91450

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