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Custom Investment Cast Steel Part

Custom Investment Cast Steel Part

Material: Cast Steel
Process: Lost Wax Casting + CNC Precision Machining
Weight: 1.80 kg
Application: Pump Housing
Testing: Pressure Test, Dimension Test
Heat Treatment: Solid Solution

OEM custom investment casting pump housing from China factory.

Description

OEM custom investment casting pump housing from China factory. 

Investment Casting Technical Data at RMC Foundry

R & D Software: Solidworks, CAD, Procast, Pro-e
Lead Time for Development and Samples: 25 to 35 days
Molten Metal Ferritic Stainless Steel, Martensitic Stainless Steel, Austenitic stainless steel, Precipitation Hardening Stainless Steel, Duplex Stainless Steel
Carbon Steel, Alloy Steel, Tool Steel, Heat Resistant Steel, 
Nickle-base Alloy, Aluminium Alloy, Copper-base Alloy, Cobalt-base Alloy
Metal Standard ISO, GB, ASTM, SAE, GOST EN, DIN, JIS, BS
Material for Shell Building Silica Sol (Precipitated Silica )
Water Glass (Sodium Silicate)
Mixtures of Silica Sol and Water Glass
Technical Parameter Piece Weight: 2 gram to 200 kilo gram
Max Dimension: 1,000 mm for Diameter or Length
Min Wall Thickness: 1.5mm
Casting Roughness: Ra 3.2-6.4, Machining Roughness: Ra 1.6
Tolerance of Casting: ISO8062; VDG P690, D1/CT5-7
Tolerance of Machining: ISO 2768-mk/IT6
Inner Core: Ceramic Core, Urea Core, Water Soluble Wax Core
Heat Treatment Normalizing, Tempering, Quenching, Annealing, Solid Solution, Carburization.
Surface Treatment Polishing, Sand / Shot Blasting, Zinc Plating, Nickel Plating, Oxidation Treatment, Phosphating, Powder Painting, Geormet, Anodizing
Dimension Testing CMM, Vernier Caliper, Inside Caliper. Depth Gauge, Height Gauge, Go/No go Gauge, Special Fixtures
Chemical Inspection Chemical Compostion Analysis (20 chemical elements), Cleanliness Inspection, X-ray Radiographic Inspection, Carbon-Sulfur Analyser. 3.1 Material Certificate is Available
Physical Inspection Dynamic Balancing, Static Blancing, Mechanical Properties (Hardness, Yield Strength, Tensile Strength), Elongation
Production Capacity More than 250 tons per month, more than 3,000 tons annually.


▶ 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.


General Casting Tolerance by Investment Casting

Inches Millimeters
Dimension Tolerance Dimension Tolerance
Up to 0.500 ±.004" Up to 12.0 ± 0.10mm
0.500 to 1.000” ±.006" 12.0 to 25.0 ± 0.15mm
1.000 to 1.500” ±.008" 25.0 to 37.0 ± 0.20mm
1.500 to 2.000” ±.010" 37.0 to 50.0 ± 0.25mm
2.000  to 2.500” ±.012" 50.0 to 62.0 ± 0.30mm
2.500 to 3.500” ±.014" 62.0 to 87.0 ± 0.35mm
3.500 to 5.000” ±.017" 87.0 to 125.0 ± 0.40mm
5.000 to 7.500” ±.020" 125.0 to190.0 ± 0.50mm
7.500 to 10.000” ±.022" 190.0 to 250.0 ± 0.57mm
10.000 to 12.500” ±.025" 250.0 to 312.0 ± 0.60mm
12.500 to 15.000 ±.028" 312.0 to 375.0 ± 0.70mm
Excutive Standard of Casting Tolerance: ISO 8062 2013, ISO 2768, GOST 26645 (Russia) or GBT 6414 (China). Dimensional Casting Tolerances Grade (DCTG): 4 ~6 and Geometrical Casting Tolerances Grade (GCTG): 3 ~ 5.