Sim ntsia liaj qhov rooj
Ob chav xaus kawg yog feem ntau ntawm cov khoom siv siab - cov ntaub ntawv zoo, xaiv raws li cov ntawv thov rau lub zog, durability, thiab corrosion tsis kam. Carbon Steel yog ib qho ntawm cov khoom siv uas nquag siv, tshwj xeeb tshaj yog nyob rau qib xws li 4.8, 8.8, thiab 10.9.