Factory source Ductile Iron Green Sand Casting - Steel Sand Casting Company – RMC Foundry

Custom Wear-resistant Castings from Sand Casting Company in China with Custom and CNC Machining Services.

Raw Materials Available for Sand Casting 
  • Cast carbon steel: cast low carbon steel, cast medium carbon steel, cast high carbon steel (high strength carbon steel)
  • Medium-alloy steel and low-alloy steel for casting: cast manganese steel, cast silico-manganese steel, cast manganese-molybdenum steel, cast manganese-molybdenum-vanadium copper steel, cast chromium steel, chromium-molybdenum cast steel, chromium-manganese-silicon cast steel, chromium-manganese Molybdenum cast steel, chromium molybdenum vanadium cast steel, chromium copper cast steel, molybdenum cast steel, chromium nickel molybdenum cast steel, etc. Different chemical elements can play a different role in improving the corresponding performance. In the following articles, we will introduce the properties of related alloy steels and the roles played by chemical elements one by one.
  • Corrosion-resistant stainless steel: ferritic stainless steel, martensitic stainless steel, austenitic stainless steel and austenitic-ferritic duplex stainless steel.
  • Heat-resistant steel: high chromium steel, high chromium nickel steel and high nickel chromium steel.
  • Wear-resistant cast steel: wear-resistant manganese steel, wear-resistant chromium steel
  • Casting special steel and professional steel: low-temperature cast steel, foundry tool steel (die steel), pressure cast steel, precision casting steel, centrifugal cast cast steel pipe.
  • 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.