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輔料采購 | 品名 | 指標(biāo) | 品質(zhì)要求(基準(zhǔn)) |
高碳鉻鐵 | Cr | 50-57% | |
P | ≤0.03% | ||
S | ≤0.06% | ||
C | ≤8% | ||
Si | ≤5% | ||
粒度 | 自然塊 | ||
水分 | 0 | ||
高硅硅錳 | Mn | ≥60% | |
Si | 27%-30% | ||
C | ≤0.1% | ||
P | ≤0.1% | ||
S | ≤0.02% | ||
粒度 | 10-250mm | ||
電解鎳 | Ni | ≥99.96% | |
電解金屬錳 | Mn | ≥99.7% | |
C | ≤0.04% | ||
P | ≤0.005% | ||
S | ≤0.05% | ||
Fe+Si+Se | ≤0.205% | ||
硅鐵 | Si | ≥72% | |
加工塊粒度 | 10-50mm | ||
硅鐵粉 | Si | ≥72% | |
鎳鐵 | Ni | ≥15% | |
C | ≤3% | ||
P | ≤0.055% | ||
S | ≤0.45% | ||
Si | ≤3% | ||
粒度 | 3-80mm | ||
低鎳生鐵 | Ni | ≥1.5% | |
C | ≤5% | ||
Cr | ≥1% | ||
P | ≤0.055% | ||
S | ≤0.4% | ||
Si | ≤4% | ||
螢石 | CaF2 | ≥80% | |
SiO2 | ≤10% | ||
S | ≤0.2% | ||
水分 | <2% | ||
塊度 | 50-100mm | ||
石灰 | CaO | ≥92% | |
銅 | SiO2 | ≤2.5% | |
S | ≤0.2% | ||
活性度 | 300ml | ||
粒度 | 5-80mm | ||
Cu | ≥99.9% | ||
硅鈣合金 | Ca | >31% | |
Si | 55%-65% | ||
C | ≤0.8% | ||
P | ≤0.4% | ||
S | ≤0.05% | ||
粒度 | 10mm-50mm | ||
石灰石 | CaO | ≥54% | |
氧化鎂 | ≤3% | ||
二氧化磷 | ≤1% | ||
P | ≤0.05% | ||
S | ≤0.025% | ||
雜質(zhì) | <1% | ||
粒度 | 30-60mm/40-80mm | ||
螢石球 | 氟化鈣 | ≥80% | |
碳酸鈣 | ≤5.5% | ||
C | ≤1% | ||
S | ≤0.08% |