Tshuaj muaj pes tsawg leeg
Qib
C%
P%
S%
Mn%
Si%
Cu%
Ni%
Cov%
Fe%
1 j22
Max 0.04
Max 0.020
Max 0.30
Max 0.20
Max - 0.5 hli
49.0-51.0 Nws
Bal.