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Ductile Iron Grade: & QT **0, QT **0, QT **0, QT **0 & *******8, *******2, *******5, *******3, ********3 & GGG*0, GGG*0, GGG*0, GGG*0 & FCD**0, FCD**0, FCD**0, FCD**0, FCD**0 Gray Iron Grade: & HT **0, HT **0, HT **0, HT **0, HT **0 & G***0, G***0, G***0, G***0, G***0 & GG*5, GG*0, GG*5, GG*0 & FC**0, FC**0, FC**0, FC**0, FC**0 Product Introduction： &Usage: Widely used in metallurgy machinery、internal-combustion engine、train rail、industry machinery、shipbuilding、mining machinery、oil machinery、machine lathe etc. &Standard: In accordance with GB/T ********8/ISO. &Casting material: Casting pig、ferroalloy、scrap steel、coke etc. &Furnace type: Electricity furnace、cupola. &Inspection:Microstructure, Heat Treatment, Chemical Composition, Tensile Strength, Hardness. &Highlight: Big size casting with less than 5 tons. &Moulding: Resin sand, normal sand.