الدرجة
|
SI
|
FE
|
العربية
|
CA
|
553
|
≥98.5%
|
≤0.5%
|
≤0.5%
|
≤0.3%
|
441
|
≥99%
|
≤0.4%
|
≤0.4%
|
≤0.1%
|
3303
|
≥99%
|
≤0.3%
|
≤0.3%
|
≤0.03%
|
2202
|
≥99%
|
≤0.2%
|
≤0.2%
|
≤0.02%
|
1101
|
≥99%
|
≤0.1%
|
≤0.1%
|
≤0.01%
|