Green Sand Casting Process

Green Sand Casting Process

GGG40 Ductile Cast Iron Impeller Spare Parts Green Sand Casting Process Product Description and Process GGG40 Ductile Cast Iron Impeller Spare Parts Green Sand Casting Process Production process: green sand casting process pre-coated sand casting process resin sand casting process Weight range:...

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GGG40 Ductile Cast Iron Impeller Spare Parts Green Sand Casting Process

Product Description and Process

GGG40 Ductile Cast Iron Impeller Spare Parts Green Sand Casting Process


Production process:

green sand casting process

pre-coated sand casting process

resin sand casting process

Weight range: from 50 gram to 2,000 kilograms for ductile iron casting product


Sand mould production:

Automatic moulding machine

Z145 moulding machine

Z146 moulding machine

Z148 moulding machine

Handwork moulding, though most parts can achieve the moulding by machine, for some complex structure parts, the hand moulding is still needed.


Machining process:

CNC machine, machining center, lathe, mill machine, drill machine, etc.


Surface treatment process:

paint coating, electrophoretic paint coating, electrogalvanizing coating, black oxide coating, phosphate treatment,  powder coating, etc.


Product Material and Uses

Normally production with gray iron HT200, HT250, ductile iron 65-45-12, 60-40-18, 80-55-06, 80-60-03, 100-70-03, etc.

The ductile 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.


Ductile Iron Castings & Ductile Cast Iron

If cast iron is subject to a compressive load, these stress points are not particularly detrimental and flake graphite cast iron is excellent under compression. However, tensile loading above the natural tensile strength of the cast iron can cause rapid tensile failure as cracks propagate rapidly out from these stress points. The result of this is that cast iron has virtually no elongation, is a brittle material and is therefore limited in its use in tensile and shock loading applications. For years foundrymen and metallurgists tried to develop a new type of cast iron that would withstand bending and shock loading and would have the characteristics more of malleable cast iron but could be produced at the lower cost of grey cast iron. This resulted in the development of Ductile Cast Iron.


Cast Iron Impeller

We are instrumental in offering corrosion resistant Cast Iron Impeller to our valuable customers. Our professionals manufacture these impellers using quality tested raw materials in the undersigned of our quality assurance team. They use latest technology and modern machinery in the manufacture of these products. Our impellers are highly demanded by the clients for their dimensional accuracy, fine finish, corrosion resistance.

And friction-free operation.

Features:

· Durability

· Robust construction

· Resistant against corrosion & abrasion

· Long lasting finish


What is in Ductile Iron? (Composition)

If you were to do a chemical analysis of ductile iron, this is what you would normally find:

Iron ~94%

Carbon 3.2 – 3.60%

Silicon 2.2 – 2.8%

Manganese 0.1 – 0.2%

Magnesium 0.03 – 0.04%

Phosphorus 0.005 – 0.04%

Sulfur 0.005 – 0.02%

Copper <= 0.40%

To improve the strength of ductile iron, additional tin or copper can be added. To improve corrosion resistance, copper, nickel, or chromium can replace anywhere from 15-30% of the iron.


Metallographic Structure

image001 


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