OEM Precision Steel Casting Parts from Investment Casting Foundry.

▶ Raw Materials Available for Investment Casting (Lost Wax Casting Process)
   • Carbon Steel:  AISI 1020  - AISI 1060,
   • Steel Alloys: ZG20SiMn, ZG30SiMn, ZG30CrMo, ZG35CrMo, ZG35SiMn, ZG35CrMnSi, ZG40Mn, ZG40Cr, ZG42Cr, ZG42CrMo...etc on request.
   • Stainless Steel: AISI 304, AISI 304L, AISI 316, AISI 316L and other stainless steel grade.
   • Brass & Copper.
   • Other Materials and Standards on request

▶ Capabilities of Investment Casting 
   • Max Size: 1,000 mm × 800 mm × 500 mm
   • Weight Range: 0.5 kg - 100 kg
   • Annual Capacity: 2,000 tons
   • Tolerances: On Request. 

▶ Main Production Procedure
  • Patterns & Tooling Design → Metal Die Making → Wax Injection → Slurry Assembly → Shell Building → De-Waxing  → Chemical Composition Analysis → Melting & Pouring → Cleaning, Grinding & Shot Blasting → Post Processing or Packing for Shipment

▶ Inspecting Lost Wax Castings
   • 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.

▶ Why You Choose RMC for Custom Lost Wax Casting Parts?
   • Full solution from one single supplier ranging customized pattern design to finished castings and secondary process including machining, heat treatment and surface treatment.
   • Costdown proposals from our professional engineers based on your unique requirement.
   • Short leadtime for prototype, trial casting and any possible technical improvement.
   • Bonded Materials: Silica Col, Water Glass and their mixtures.
   • Manufacturing flexibility for small orders to mass orders.
   • Strong outsourcing manufacturing capabilities.

▶ General Commerial Terms
   • Main workflow: Inquiry & Quotation → Confirming Details / Cost Reduction Proposals → Tooling Development → Trial Casting → Samples Approval → Trial Order → Mass Production → Continuous Order Proceeding
   • Leadtime: 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.