Silicon Metal

We are offering silicon metal. sillicon metal: grade 441#: spec: si, 99% min, fe, 0.4% max, al, 0.4%max, ca, 0.1% max, grade 553#: spec:si, 98.5% min, fe, 0.5% max, al, 0.5%max, ca, 0.3% max, grade 2202#: spec:si, 99% min, fe, 0.2% max, al, 0.2%max, ca, 0.02% max, grade 3303#: spec:si, 99% min, fe, 0.3% max, al, 0.3%max, ca, 0.03% max