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Ferritic Cast Ductile Cast Iron ASTM A536 Grade 80-55-06 Foundry Custom Autocar Parts

Categories Ductile Cast Iron
Brand Name: non-standard
Model Number: custom-built
Certification: ISO9001;TS16949
Place of Origin: China
MOQ: 1 Ton
Price: quote according to different drawing technique requirements
Payment Terms: T/T, L/C
Supply Ability: 300 Tons every month
Delivery Time: within 60 days
Packaging Details: Plywood crate + VCI Anti-Rust Bag
Material: Ductile iron 80-55-06
Process: Green Sand Casting Process+precoated sand core
Machining: CNC Machining
Surface: Anti-Rust Oil
Used for: Autocar Industry
Packing: Crate
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Ferritic Cast Ductile Cast Iron ASTM A536 Grade 80-55-06 Foundry Custom Autocar Parts

Ferritic Cast Ductile Cast Iron ASTM A536 Grade 80-55-06 Foundry Custom Autocar Parts


Product Description and Process


1. Ferritic Cast Ductile Iron SG Iron ASTM A536 Grade 80-55-06 Foundry Custom Autocar Parts


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

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

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


Product Material and Uses


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

2. 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.


Advantages of Ductile Iron


There are several advantages that ductile iron provides designers:

1. Ductile iron can be easily cast and machined.

2. It has an excellent strength to weight ratio.

3. Ductile iron can be made for a much lower cost than steel.

4. It has superior castability and machinability.

5. Ductile iron provides a designer with an exceptional combination of toughness, low cost manufacturing, and reliability.


Properties of Ductile Iron

To create different grades of ductile iron, one must control the matrix structure around the graphite during the casting process or through subsequent heat treatment. The minor compositional differences between the different grades of ductile iron exist in order to create the desired matrix (microstructures).

Ductile iron can be considered as steel with graphite spheroids dispersed throughout its matrix. The qualities of the metallic matrix in which the graphite spheroids are suspended have a significant effect on ductile iron’s properties, but the graphite spheroids themselves do not.


There are several matrices found within ductile iron, the most common being;

  1. Ferrite – a pure, ductile, flexible iron with little strength. This matrix has poor wear resistance, but high impact resistance and good machinability.
  2. Pearlite – a mechanical mixture of ferrite and iron carbide (Fe3C). It is relatively hard, with moderate ductility. It has high strength, good wear resistance, moderate impact resistance, and good machinability.
  3. Pearlite/Ferrite – a structure consisting of a mixture pearlite and ferrite, and the most common matrix for commercial grades of ductile iron.

ASTM A536 Standard for Ductile Iron Castings

ASTM A536 is the American standard specification for ductile iron castings, the main material grades including:


Grade 60-40-18
Grade 60-42-10
Grade 65-45-12
Grade 70-50-05
Grade 80-55-06
Grade 80-60-03
Grade 100-70-03
Grade 120-90-02



Metallographic Structure



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.


Common Ductile Iron Grades


While there are many different ductile iron specifications, foundries routinely offer 3 common grades;


Physical and Mechanical PropertiesASTM A536, Grade 60-40-18ASTM A536, Grade 65-45-12ASTM A536, Grade 80-55-06
Tensile Strength, min, psi60,00065,00080,000
Tensile Strength, min, MPa414448552
Yield Strength, min, psi40,00045,00055,000
Yield Strength, min, MPa276310379
Elongation in 2 in. or 50 mm, min %18126
Density lb/in30.2560.2560.256
Density g/cm37.17.17.1
Melting Temperature (Degrees F)2,100 – 2,1902,100 – 2,1902,100 – 2,190
Melting Temperature (Degrees C)1,150 - 1,2001,150 - 1,2001,150 - 1,200
Compressive Strength Ksi429429429
Compressive Strength MPa296029602960
UNSF32800F33100F33800

Product Tags:

nodular cast iron

  

spheroidal cast iron

  
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