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Article Archive Dec. 2011

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. Green sand, resin sand, shell molding, iron and steel castings produced by metal foundries, casting suppliers and exporters in China - on Dec. 28, 2011
    As for the most of metal foundries and casting suppliers in China, the green sand, resin sand and shell molding are the normal production processes, the cast iron and cast steel are the normal casting materials.
  2. EN 1563 - Spheroidal Graphite Cast Irons - on Dec. 27, 2011
    EN 1563, the standard for spheroidal graphite cast iron materials, including EN-GJS-400-18, EN-GJS-450-10, EN-GJS-500-7, EN-GJS-600-3 and equal EN-JS material numbers.
  3. The Advantages and Disadvantages of Wet Green Sand Casting - on Dec. 26, 2011
    Wet green sand uses clay and moderate amount of water as the main binder, and it is closed and poured directly under wet condition after molding. Wet green sand casting has a long history and wide application.
  4. Green Sand Castings - on Dec. 22, 2011
    Green sand casting process has been widely used worldwide, and many types of metal castings were produced by this process.
  5. ASTM A48 Class 20 - Gray Cast Iron - on Dec. 20, 2011
    ASTM A48 Class 20 is a gray cast iron material grade of USA. This grade is equivalent with grey iron HT150, FC150, GG15, FGL150, T150, O150 in China and other countries.
  6. BS EN 12513 - Abrasion Resistant Cast Iron - on Dec. 19, 2011
    BS EN 12513, the standard for abrasion resistant cast iron, including the material grades, such as EN-GJN, EN-JN, physical and chemical composition.
  7. Hand Molding Method of Sand Casting - on Dec. 16, 2011
    Sand casting production mainly include hand molding and machine molding method. The operation of hand molding is more simple and flexible, but the production rate is low, so it is suitable for small batch, amount production.
  8. China Foundries List Top 100 - on Dec. 14, 2011
    This list was from China Foundry organization in 2010, the ranking was listed in no particular order, just reference for iron and steel casting buyers.
  9. DIN ISO 1302, DIN 4768 - Comparison of Surface Roughness Values - on Dec. 13, 2011
    DIN ISO 1302 and DIN 4768 are the Germany standards for surface roughness for various areas, including metal castings. The followings are some explanation to the symbols and comparison to surface roughness values.
  10. Sand Casting - on Dec. 12, 2011
    Sand casting means the production processes that need sand as the main molding material, it also means the casting products made by these processes.
  11. Foundry Sand Types - on Dec. 07, 2011
    According to the different binders, foundry sand used for moulding can be divided into green sand, water glass sand and resin sand.
  12. Cast Steel Castings - on Dec. 06, 2011
    Our foundry has produced some cast steel castings by sand casting processes for our clients in USA, UK, New Zealand, Australia, Indonesia and Germany.
  13. ASTM A48 CLASS 35 CAST IRON - on Dec. 05, 2011
    Cast iron ASTM A48 class 35 is equal to HT250, FC250, GG25, G25, FGL250, T260, O125, which is a type of high grade gray cast iron. The followings are its application, physical properties, chemical composition and our opinion.
  14. ASTM A 278 - Standard for Gray Iron Castings for Pressure Containing Parts - on Dec. 02, 2011
    This specification covers gray iron for castings suitable for pressure-containing parts for use at temperatures up to 650°F (350°C).
  15. Cast Iron Castings - on Dec. 01, 2011
    Cast iron castings means the metal castings produced by grey iron, ductile iron and malleable iron. Dandong Foundry in China has produced over 2000 various types of cast iron castings in the past fifty years.



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