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Article Archive Sep. 2014 to May 2015

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. ASTM cast steel materials used by Steel Foundry in China - on May 26, 2015
    The followings are the common ASTM standards for the cast steel materials. Steel Foundry in China could produce the steel castings according to these standards.
  2. ASTM A352 for Steel Castings Chemical Composition by Steel Foundry in China - on May 26, 2015
    ASTM A352 grades include LCA, LCB, LCC, LC1, LC2, LC3, LC4, LC9, CA6NM, the UNS number includes J02504, J03003, J02505, J12522, J22500, J42215, J31550, J41500, J31300, J91540.
  3. ASTM A487 A487M for Steel Castings made by Steel Foundry in China - on May 26, 2015
    ASTM A487 grades include 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16, CA15, CA15M, CA6NM, the following is their chemical requirements.
  4. ASTM A732 A732M for Carbon Steel Castings in Steel Foundry in China - on May 26, 2015
    ASTM A732 grades include 1A, 2A, 2Q, 3A, 3Q, 4A, 4Q, 5N, 6N, 7Q, 8Q, 9Q, 10Q, 11Q, 12Q, 13Q, 14Q, 15A. The following is their chemical and mechanical requirements.
  5. ASTM A958 for Steel Castings made by Steel Foundry in China - on May 26, 2015
    ASTM A958 material grade includes SC 1020, SC 1025, SC 1030, SC 1040, SC 1045, SC 4130, SC 4140, SC 4330, SC 4340, SC 8620, SC 8625, SC 8630.
  6. ASTM A148 A148M for High Strength Steel Castings for Structural Industry - on May 25, 2015
    ASTM A148 is the specification for carbon steel, alloy steel, and stainless steel castings, the grades include 550-270, 80-40, 550-345, 80-50, 620-415, 90-60, 725-585, 105-85, 795-655, 115-95, 895-795, 130-115, 930-860, 135-125, 1305-930, 150-135, 1105-1000, 160-145, 1140-1035, 165-150 etc.
  7. ASTM A217 A217M Material Standard for Alloy Steel Castings - on May 22, 2015
    ASTM A217 Standard covers steel casting material grades WC1, Grade WC4, Grade WC5, Grade WC6, Grade WC9, Grade WC11, Grade C5, Grade C12, Grade C12A, and Grade CA15.
  8. ASTM A216 Standard Specification for Carbon Steel Castings made in China Foundry - on May 21, 2015
    There are three grades of carbon steel (Grades WCA, WCB, and WCC), the selection of which shall depend on the design and service conditions, mechanical properties, and the high temperature characteristics.
  9. Ductile Iron Nodularizing and Inoculation Treatment Station - on May 17, 2015
    This spheroidizing inoculation treatment equipment uses the inoculation silk as the nodularizing material, which is more pure and accurate to control the nodular rate.
  10. Cast Iron Exhaust Manifolds - on May 05, 2015
    Our foundry is a Chinese cast iron foundry, casting manufacturer. We produced various cast iron exhaust manifolds, materials including ductile iron (S.G. Iron) and gray iron.
  11. Seed boot, seeding knife, knife holder, knife point, iron and steel casting parts - on Apr. 29, 2015
    Dandong Foundry is a professional cast iron and cast steel foundry in China, producing various seed boot, seed knife, knife holder, knife points.
  12. Ductile Iron and Gray Iron Exhaust Manifold foundry in China - on Apr. 07, 2015
    Dandong Foundry has manufactured various ductile iron and gray iron exhaust manifolds in China. We have rich experience in casting production, machining, assembly and quality inspection.
  13. Sand Casting vs. Water Glass Investment Casting vs. Silica Sol Precision Casting - on Apr. 01, 2015
    Our foundry in Dandong could produce steel castings by sand casting process, water glass investment casting and silica sol investment casting processes; however, some buyers will get confused in choosing from them, herein, we briefly introduce their differences, advantages and disadvantages.
  14. Casting Defect Repair Machine Electric Spark Welding (EDM) - on Jan. 27, 2015
    We can use this electric spark welding machine to weld the small casting defects, such as sand holes, air holes and shrinkage.
  15. Compare Casting vs. Forging - on Nov. 13, 2014
    Comparison of casting and forging, including what is casting, and what is forging? Why use castings, and why use forgings? The advantages and disadvantages of castings and forgings. How to choose between casting and forging?
  16. Stainless Steel Material Grades of Steel Castings for Foundry - on Nov. 06, 2014
    The following is the stainless steel material grades, which could be production reference for steel foundries in China.
  17. ISO 9477 1992 High strength cast steels for general engineering and structural purposes - on Oct. 31, 2014
    This international standard specified requirements for four grades of heat-treated cast carbon and alloy steels for general engineering and structural purposes. They are grade 410-620, 540-720, 620-820 and 840-1030.
  18. ISO 3755 1991 cast carbon steels for general engineering purposes - on Oct. 31, 2014
    This international standard specifies requirements for eight grades of heat-treated cast carbon steels for general engineering purposes. They are grade 200-400, 200-400W, 230-450, 230-450W, 270-480, 270-480W, 340-550 and 340-550W.
  19. Surface finish quality, surface smoothness of cast iron and cast steel, sand castings made in China - on Oct. 24, 2014
    We will try to show some photos for casting surface qualities, finish smoothness for lost wax investment castings, shell molding, automatic molding, resin sand, and manual green sand casting processes.
  20. China foundry, iron foundry, steel foundry, metal foundry, casting original manufacturer - on Sep. 18, 2014
    We are introducing a good iron and steel foundry in China, Dandong Ruiding Foundry, including their main materials, ductile iron, gray iron and cast steel, also their casting processes, such as green sand, resin sand, shell molding, automatic molding, and also their material standards, main products.
  21. Why automatic molding is better than green sand casting, shell molding and resin sand casting? - on Sep. 10, 2014
    Some clients may be wondering why we suggested to produce their iron casting products by automatic molding line, instead of manual green sand, shell molding or resin sand casting process.
  22. Ductile iron castings after high temperature annealing heat treatment - on Sep. 03, 2014
    Our foundry performed high temperature annealing heat treatment to ductile iron castings, in order to remove massive free carbide, improve elongation (toughness), improve welding property, remove inverse chill defects, reduce hardness, and make the material more uniform.



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