ductile iron pipe k9 pressure rating

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  High carbon and low sulphur(GPC) graphitized petroleum coke

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  Carbon Additive Sulfur 0.05% Graphite Petroleum Coke

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  casting carburant

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  S:0.5%max, FC:98.5%min of Calcined Petroleum Coke /CPC with high Carbon, Low Sulpher, Low Nitrogen-Wanboda Brand

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  coke powder/nut foundry/ met coke breeze 0-10mm high FC85 low S0.3/P 0.01

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  hight quality products foundry coke (60mm~90mm)

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  Foundry Coke , Needle Coke, Hard Coke. furnace Coke

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  calcined petroleum coke/cpc for iron foundry

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  Low Sulphur Graphitized Foundry Coke/Calcined Petroleum Coke Price

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