Përbërja Kimike
Klasa
C%
P%
S%
Mn%
Si%
Cu%
Ni%
Ko%
Fe%
1J22
Maks 0.04
Maks 0.020
Maks 0.30
Maks 0.20
Maks -0.5
49.0~51.0
Bal.
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