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Product Description and Process

wrought iron parts supplier green sand castings grey iron casting company

 

Production process: green sand molding, pre-coated sand molding and resin sand molding which can produce iron castings from 50 gram to 2000 kilograms

Machining process: CNC machine, machining center, lathe, mill machine, drill machine, etc.

Surface treatment process: paint coating, electrophoretic coating, electrogalvanizing coating, black oxide coating, powder coating, etc.

 

Product Material and Uses

Normally produce with gray iron HT200, HT250, ductile iron 65-45-12, 60-40-18, 80-55-06, 80-60-03, etc.

The grey/gray iron casting products are widely used for Auto-cars, trains, trucks, vehicle components, mining machinery components, agricultural machinery parts, textile machinery parts, construction machinery parts, etc.

 

What is the Microstructure of Grey Cast Iron

Grey iron has graphite flakes entwined with the rest of the structure. Unhardened grey iron is “fragile” compared to other cast metals.  The graphite flakes create areas of weakness in the metal where fractures can begin that will split the metal.  This propensity to fracture is why grey iron has low tensile and impact strength.  Yet the graphite flakes are what create great wear resistance because as friction occurs the graphite acts as a lubricant.  The graphite structure also has great vibration dampening properties because the structure created by the graphite flakes helps cancel out vibrations.