Annual Survey of Manufactures (ASM) 2004 - List of Goods
3311121 - Ferrochromium, including briquettes, ferrochromium silicon, exothermic chromium additives, and other chromium alloys
Examples of included products:
- Ferro chromium, containing by weight 4% or less of carbon
- Ferro-chromium, containing by weight more than 4% of carbon
- Ferro-silico-chromium
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