Dawb Txiav Hlau Y20 Hlau Txias Drain Hlau Annealed Hlau Qws

Hom: Y20

Cov Txheej Txheem Khoom: Kab Mob Txias

Dawb Txiav Hlau Rau Kev Siv

Feem ntau siv nyob rau hauv kev tsim cov tshuab tseem ceeb, cov khoom siv, cov pob txha, cov pob qij txha, cov khoom lag luam thiab tshuab cuab tam.

Si: 0.15 ~ 0.35

MN: 0.70 ~ 1.00

P: 0.06

S: 0.08 ~ 0.15

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