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OEM / ODM Ductile Iron Sand Casting Parts – Ductile Iron Sand Casting Manufacturer

Short Description:

Ductile iron refers to cast iron in which the graphite is spherical after the molten iron is treated with a spheroidizing agent. That is why the ductile cast iron is also called spheroidal graphite cast iron or nodular cast iron. Inside the ductile cast iron by electron microsope, the shape of spheroidal graphite is approximately spherical, and its interior is radial shape, and it has obvious polarization effect. The spheroidization rate refers to the percentage of the total number of spherical graphite in a certain range to the total number of graphite. The spheroidization rate is an index to measure the spheroidization grade of nodular cast iron, and it is an important standard in ductile cast iron castings.


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OEM / ODM Ductile Iron Sand Casting Parts – Ductile Iron Sand Casting Manufacturer Detail:

Cast Ductile Iron Sand Casting Manufacturer from China with Custom and CNC Machining Services.

Cast iron is an iron-carbon cast alloy with other elements that is made by remelting pig iron, scrap, and other additions. For differentiation from steel and cast steel, cast iron is defined as a cast alloy with a carbon content (min 2.03%) that ensures the solidification of the final phase with a eutectic transformation.

Depending on chemical specifications, cast irons can be non- alloyed or alloyed. The range of alloyed irons is much wider, and they contain either higher amounts of common components, such as silicon and manganese, or special additions, such as nickel, chromium, aluminum, molybdenum, tungsten, copper, vana- dium, titanium, plus others. Generally speaking, the cast iron could be divided into gray iron, ducitle iron (nodular iron), white cast iron, compacted graphite iron and malleable cast iron.

Raw Materials Available for Sand Casting 

• Gray Iron: GJL-100, GJL-150, GJL-200, GJL-250, GJL-300, GJL-350

• Ductile Iron: GJS-400-18, GJS-40-15, GJS-450-10, GJS-500-7, GJS-600-3, GJS-700-2, GJS-800-2

• Aluminium and Their Alloys

• Other Materials and Standards on request

Capabilities of Sand Casting:  

• Max Size (by automatic molding line): 1,500 mm × 1000 mm × 500 mm

• Max Size (by handle molding): 1,000 mm × 800 mm × 500 mm

• Weight Range: 0.5 kg – 500 kg

• Annual Capacity: 7,000 tons – 8,000 tons

• Tolerances: On Request.

Main Production Procedure

Patterns & Tooling Design → Making Patterns → Moulding Process → Chemical Composition Analysis → Melting & Pouring → Cleaning, Grinding & Shot Blasting → Post Processing or Packing for Shipment

Sand Casting Inspection Capabilities

• Spectrographic and manual quantitative analysis

• Metallographic analysis

• Brinell, Rockwell and Vickers hardness inspection

• Mechanical property analysis

• Low and normal temperature impact testing

• Cleanliness inspection

• UT, MT and RT inspection

Post-Casting Process

• Deburring & Cleaning

• Shot Blasting / Sand Peening

• Heat Treatment: Normalization, Quench, Tempering, Carburization, Nitriding

• Surface Treatment: Passivation, Andonizing, Electroplating, Hot Zinc Plating, Zinc Plating, Nickel Plating, Polishing, Electro-Polishing, Painting, GeoMet, Zintec

• Machining: Turning, Milling, Lathing, Drilling, Honing, Grinding,

General Commerial Terms

• Main work flow: Inquiry & Quotation → Confirming Details / Cost Reduction Proposals → Tooling Development → Trial Casting → Samples Approval → Trial Order → Mass Production → Continuous Order Proceeding

• Lead time: Estimatedly 15-25 days for tooling development and estimatedly 20 days for mass production.

• Payment Terms: To be negotiated.

• Payment methods: T/T, L/C, West Union, Paypal.


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With our superb management, potent technical capability and strict quality command procedure, we go on to provide our shoppers with trustworthy high-quality, reasonable costs and outstanding services. We goal at becoming considered one of your most trustworthy partners and earning your pleasure for OEM / ODM Ductile Iron Sand Casting Parts – Ductile Iron Sand Casting Manufacturer, The product will supply to all over the world, such as: Paraguay , Chile , Miami , We provide good quality but unbeatable low price and the best service. Welcome to post your samples and color ring to us .We will produce the goods according to your request. If you are interested in any products we offer, please feel free to contact us directly by mail, fax, telephone or internet. We are here to answer your questions from Monday to Saturday and looking forward to cooperating with you.
  • The company's products can meet our diverse needs, and the price is cheap, the most important is that the quality is also very nice.
    5 Stars By Andy from New York - 2018.09.16 11:31
    Product quality is good, quality assurance system is complete, every link can inquire and solve the problem timely!
    5 Stars By Ingrid from Stuttgart - 2017.04.28 15:45