ductile iron pipe dimensions class 52

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  Free Sample semi recarburizer/semi graphitized petroleum coke for sale

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  100-200mm High Carbon Foundry Coke

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  S:1.8%max, FC:98%min of Calcined Petroleum Coke /CPC with high Carbon, Low Sulpher, Low Nitrogen-Wanboda Brand

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  Carbon Additive Sulfur 0.05% Graphite Petroleum Coke

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  Hot sales in 2016 CPC Calcined Petroleum Coke as recarburizer

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  Excellent Performance Carbon Anode Scrap/Foundry Coke for Copper Aluminum Smelting

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  Low dust & humidity 100-150mm foundry coke

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  coke breeze foundry coke 90-150mm fixed carbon 89%

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  Carbon Raiser /Graphitized Petroleum Coke /GPC/Recarburizer/Recarburiser/Carbon Additive Manufacturer and Factory–Wanboda Brand

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