Ti
|
3%,5%
|
B
|
0.2%
|
Fe
|
0.30% max.
|
Si
|
0.20% max.
|
V
|
0.20% max.
|
Mg
|
0.45% max.
|
Sr
|
0.10% max.
|
Other total
|
0.10% max.
|
Balance
|
Aluminum
|