Raw Materials Standard No. Definition Standard No. Definition JIS G2201 Pig iron for steel making JIS G2202 Foundry pig iron JIS G2301 Ferromanganse ASTM A99-82 Spec. for ferromanganese JIS G2302 Ferrosilicon ASTM A100-80 Spec. for ferrosilicon JIS G2303 Ferrochromium ASTM A101-80 Spec. for ferrochromium JIS G2304 Silicon-manganese ASTM A483-64 Spec. for silicon-manganese JIS G2306 Ferrotungsten ASTM A144-73 Spec. for ferrotungsten JIS G2307 Ferromolybdenum ASTM A 132-89 Spec. for ferromolybdenum JIS G2308 Ferrovanadium ASTM A 102-92 Spec. for ferrovanadium JIS G2309 Ferrotitanium ASTM A324-73 Spec. for ferrotitanium JIS G2310 Ferrophosphorus JIS G2311 Manganese metal ASTM A601-69 Spec. for electrolytic manganese metal JIS G2312 Silicon metal JIS G2313 Chromium metal ASTM A481-73 Spec. for chrome metal JIS G2314 Calcium silicon ASTM A495-76 Spec. for calcium-silicon and calcium manganese-silicon JIS G2315 Silicon-chromium ASTM A482-76 Spec. for ferrochrome-silicon JIS G2316 Ferronickel JIS G2318 Ferroboron ASTM A323-76 Spec. for ferroboron JIS G2319 Ferroniobium ASTM A550-78 Spec. for ferrocolumbium