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Article Archive September 2012

Dandong Foundry is a professional Iron and Steel Casting Manufacturer in China. We share some standards
 and experiences to help buyers to better understand some technical issues with iron and steel castings. 

 
  1. No Bake Sand Casting - on Sep. 27, 2012
    No Bake is a casting process that uses chemical binders to bond the molding sand. The sand is then transported to the mold fill station in preparation for filling of the mold. A mixer is then used to blend sand with the chemical binder and the catalyst.
  2. EN-GJS-400-18 Ductile Iron - on Sep. 26, 2012
    This grade has tensile strength min. 400 Mpa, yield strength min. 250 Mpa, elongation min. 18%. The matrix of this grade is fully ferritic with high ductility and impact strength, which guarantees use at temperatures down to minus 20.
  3. The China Sand Casting Factory - on Sep. 25, 2012
    Dandong Foundry is a professional sand casting factory in China, with over 50 years sand casting production experience, machining and exporting capability. The followings are some brief introduction to the production equipments and some sand casting products.
  4. Cast Iron Pricing Experience - on Sep. 18, 2012
    Some buyers are confused about cast iron pricing issues, especially to gray iron and ductile iron. Pricing iron castings is a complex work, which needs experience and learning about the materials, production processes and some price information.
  5. The Advantages and Disadvantages of Green Sand Molding, No-Bake Sand, Resin Shell Molding, Lost Wax, Die Casting, Lost Foam, Permanent Mold and Centrifugal Molding - on Sep. 17, 2012
    Comparing the advantages and disadvantages of various metal casting processes, including green sand molding, no-bake sand molding, resin shell sand molding, lost wax investment casting, die casting, lost foam, permanent mold, and centrifugal molding processes.
  6. Resin Coated Sand Casting Process Flow - on Sep. 14, 2012
    Resin coated no-bake furan resin sand casting process is suitable to produce middle and large gray iron and ductile iron castings. The following is a typical casting process flow chart.
  7. Resin Coated Sand, Casting and Production - on Sep. 13, 2012
    Resin coated sand is a main production material for sand castings. Actually, there are two types of resin coated sands. One is furan resin coated sand, another is pre-coated phenolic resin sand.
  8. Shell Molding Process VS Green Sand Casting - on Sep. 06, 2012
    As for some complex or thin wall thickness castings, we often suggested our customers to use shell molding casting process, instead of green sand casting process. However, some customers were confused about their difference, advantages and disadvantages.
  9. Iron & Steel Castings - on Sep. 04, 2012
    The followings are some iron and steel castings produced by our foundry in China. Most of them are gray iron, ductile iron and carbon steel castings, rough and machined.
  10. Spheroidal Graphite Cast Iron Grades, Properties, Composition, Microstructure, Density and Castings - on Sep. 03, 2012
    Spheroidal graphite cast iron can be short as S.G. cast iron, and also can be called as ductile iron, or nodular graphite iron. Therefore, SG cast iron has completely same grades and all mechanical and chemical properties as ductile iron.
 

 

 

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