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Foundry coke is the main fuel of melting iron in the oven. It can melt the material in the oven, make the iron reach great heat, and keep good air permeability by sustaining stock columns. Thus the foundry coke should have the characteristics of a big block, low activity, small porocity, enough anti-crush strength, low ash, and low sulfur. In addition to the characteristics of premium ash 10% foundry coke, the special grade ash 8% foundry coke also has the special effects of ultra-low ash, sulfur, and low apparent porosity. This casting coke is mainly used for export and is suitable for precision casting.
| Size | Ash | Ad | Sd,t | Pd | Vdaf | Mt | Fc,d | Sulfur |
| 120-220mm | 8% MAX | 8% MAX | 0.6% MAX | 0.02% MAX | 1.5% MIN | 6% MAX | 90% MIN | 0.6% MAX |
Tianjin Dahua International Trade Co., Ltd. is a wholly-owned subsidiary of Qinxin Group dedicated to export. When Qinxin Group first established its factory, it established the development idea of developing "high-quality cast coke" because the local area had high-quality main coking coal and excellent special furnace types for foundry coke.
Qinxin Foundry Coke has an annual production capacity of 600,000 tons. It is the largest high-quality cast coke production base in the country. It can stably provide high-quality cast coke all year round. It is currently the largest cast coke manufacturer in the country with the highest production capacity and the best quality.
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