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Lm 4 Aluminum Alloy Bar

Lm 4 Aluminum Alloy Bar
Lm 4 Aluminum Alloy Bar
Product Code : 71
Product Description
Lm 4 Aluminum Alloy Bar alloy is widely used and is suitable for most general engineering purposes including cylinder-heads, crank-cases, junction boxes, gearboxes, clutch-cases, switch gear covers, instrument cases, tool-handles and household fittings, office equipment and electrical tools etc., where moderate mechanical properties are desirable. Its casting characteristics permit it to be used for the production of thick and moderately thin forms and also for castings required to be pressure tight. In the heat treated state, it may be used for castings required to maintain a relatively high static loading. It has good weldability.

Specifications:

Copper

2.0-4.0

2.5 -4.0

Magnesium

0.20 max.

0.40

Silicon

4.0 - 6.0

4.5 - 6.0

Iron

0.8 max.

0.8 (0.7)

Manganese

0.2-0.6

0.20 - 0.55

Nickel

0.3 max.

0.30

Zinc

0.5 max.

0.55

Lead

0.1 max.

0.20

Tin

0.1 max.

0.10

Titanium

0.2 max.

0.20 (0.15)

Aluminium

Remainder


Others: each

0.05 max.

0.05

Others: total

0.15 max.

0.25



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