Steel Investment Casting Foundry

Material: Alloy Steel, Stainless Steel, Carbon Steel
Process: Water Glass Investment Casting
Weight: 4.20 kg

Steel Investment Casting Foundry with Unique Requirements from Customers. CNC Machining Services and 3.1 Material Certificate are Available.

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Description

Steel Investment Casting Foundry in China

Investment Casting Material Capabilities at RMC Foundry
Martensitic Stainless Steel	100 Series: ZG1Cr13, ZG2Cr13 and more
Ferritic stainless steel	200 Series: ZG1Cr17, ZG1Cr19Mo2 and more
Austenitic stainless steel	300 Series: 304, 304L, CF3, CF3M, CF8M, CF8, 1.4304, 1.4401...etc.
Duplex Stainless Steel	400 Series: 1.4460, 1.4462, 1.4468, 1.4469, 1.4517, 1.4770; 2205, 2507
Precipitation Hardening Stainless Steel	500 Series: 17-4PH, 15-5PH, CB7Cu-1; 1.4502
Carbon Steel	C20, C25, C30, C45; A216 WCA, A216 WCB,
Low Alloy Steel	IC 4140, IC 8620, 16MnCr5, 42CrMo4
Grey Cast Iron & Ductile Cast Iron	GG15 ~ GG35; EN-GJL-150 ~ EN-GJL-250; GGG40 ~ GGG80; EN-GJS-400 ~ EN-GJS-800
Super Alloy and Special Alloys	Heat Resistant Steel, Wear Resistant Steel, Tool Steel,
Aluminum Alloy	A355, A356, A360, A413
Copper Alloy	Brass, Bronze. C21000, C23000, C27000, C34500, C37710, C86500, >C87600, C87400, C87800, C52100, C51100
RMC can meet material specification acc. to ASTM, SAE, AISI, ACI, DIN, EN, ISO, GB standards.

▶ Ferrous and Non-Ferrous Metals for Investment Casting:

• 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, 1.4404, 1.4301 and other stainless steel grade.
• Brass & Copper.
• Other Materials and Standards on request

▶ Capabilities of Investment Casting Foundry

• Max Size: 1,000 mm × 800 mm × 500 mm
• Weight Range: 0.5 kg - 100 kg
• Annual Capacity: 2,000 tons
• Bond Materials for Shell Building: Silica Sol, Water Glass and their mixtures.
• Tolerances: On Request.

▶ Main Investment Casting 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 Investment 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, Anodizing, 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 Steel Investment Castings?

• 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.

Investment Casting Technical Data at RMC Foundry
R & D	Software: Solidworks, CAD, Procast, Pro-e
R & D	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.

Investment Castings

Castings

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