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|Material:||Ductile Iron FCD45||Process:||Green Sand Casting Process|
|Machining:||CNC Machining||Surface:||Anti-Rust Oil|
nodular cast iron,
spheroidal cast iron
Spheroidal Graphite Cast Iron Car Parts Ductile Iron FCD45 Auto Spare Part
Product Description and Process
1. Green Sand Casting Foundry OEM Casting Manufacturer Ductile Iron FCD45 Auto Spare Part
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.
Most of the magic in making ductile iron happens in the furnace with the molten iron. You start with the iron (of course) and then add more carbon than the iron would normally be able to absorb into the structure. Explaining the iron-carbon relationship in another way, it is like adding so much salt to your water that you reach a point no more salt will dissolve. By the way, this is what makes ductile iron different than steel. Steel only has as much carbon as the iron can absorb.
Silicon, Sulphur, manganese, and oxygen all do their part in the mix to help the carbon to form into spherical graphite structures as the iron cools. This, admittedly, is an oversimplification of the process (after all, we are not training you for a metallurgical degree, though if you want one, we like the Engineering Degrees found in Wisconsin, don’t mind our geographic bias).
If you were to do a chemical analysis of ductile iron, this is what you would normally find:
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 Properties||ASTM A536, Grade 60-40-18||ASTM A536, Grade 65-45-12||ASTM A536, Grade 80-55-06|
|Tensile Strength, min, psi||60,000||65,000||80,000|
|Tensile Strength, min, MPa||414||448||552|
|Yield Strength, min, psi||40,000||45,000||55,000|
|Yield Strength, min, MPa||276||310||379|
|Elongation in 2 in. or 50 mm, min %||18||12||6|
|Melting Temperature (Degrees F)||2,100 – 2,190||2,100 – 2,190||2,100 – 2,190|
|Melting Temperature (Degrees C)||1,150 - 1,200||1,150 - 1,200||1,150 - 1,200|
|Compressive Strength Ksi||429||429||429|
|Compressive Strength MPa||2960||2960||2960|
Contact Person: Mr. James Wang
Tel: +86 13213152686