Table 1:
Card number |
Code name |
Chemical into Points,% |
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Cu |
Als |
11Al |
F11 |
≤0.11 |
≤0.06 |
0.30-0.55 |
≤0.030 |
≤0.030 |
≤0.15 |
≤0.30 |
≤0.20 |
0.02-0.10 |
18Al |
F18 |
0.11-0.19 |
≤0.06 |
0.35-0.55 |
≤0.030 |
≤0.030 |
≤0.15 |
≤0.30 |
≤0.20 |
0.02-0.10 |
When the carbon content of 18A1 is 0.13% ~0.19%, the lower limit of 0.30% and the maximum limit of 0.60% when the carbon content is less than or equal to 0.12%.
Table 2:
Set. |
Table 2 |
Card |
Codena |
Sample heat treatment |
At the tensile |
elongation gas,% |
11Al |
F11 |
920 ±20X3 |
295~390 |
>28 |
18Al |
F18 |
Heat insulation 30min, air cooling |
345~440 |
>26 |
Table 3:
Thick Degree |
Width Degree |
Seat length |
Public name size |
Public name size |
Public name size |
1-30mm |
50-1500 |
455-2000 |
Remarks: Tape delivery is available for thicknesses up to 15mm