▶ 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 ordersto 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.