Precision-cast components for a wide range of pumps
Super Quali Cast manufactures investment castings for pumps for OEMs and tier-1 suppliers in India and globally. We manufacture impellers, casings, housings, volutes, vanes, stuffing boxes, bushings, couplings, wear rings, and more for centrifugal, gear, turbine, submersible, rotary lobe, slurry, cryogenic, and all other leading pumps. Our pumps investment castings are provided ‘as-cast’ (3.2 Ra) and machined (<1.6 Ra), helping us cater to multiple requirements.
Additionally, our castings meet VDG P690, IS 11166, and ISO 8062 tolerances and comply with API 610, ISO 5199, and ASME B73.1 industry standards for pumps. We are growth partners to most major pump manufacturers in India and a key centrifugal pump casting component supplier to MNCs in the USA, Canada, and Europe.
Learn how our casting methodology and on-schedule delivery can fulfill your project requirements.
Why OEMs and Tier-1 Suppliers Everywhere Trust Us for Pumps Investment Castings
We cater to leading pump OEMs and tier-1 suppliers in India, the U.S.A., and other leading countries as an investment casting pumps parts manufacturer. Here’s why they trust us.
Robust Sourcing Network
We work with vetted raw material suppliers to ensure continued access to high-quality alloys at competitive prices. This also ensures we always have buffer stock on hand to address any stockout anxieties.
Best-in-class Infrastructure
Our ISO 9001-certified foundry is built around contemporary machinery, industry-leading simulation software, a world-class testing laboratory, and a trained workforce to deliver precision castings for pumps.
Scalable Production
Three production lines, three furnaces, four crucibles (150 kg, 300kg, 300kg and 500 kg) spread across two foundries to handle increased volumes at short notice. Furthermore, we can produce up to 10,000 pieces in 24 hours, with the capacity to ramp up production if required.
Technical Expertise
Our casting expertise of over 40 years goes beyond workhorses like centrifugal pumps to include marine, multi-stage, and cryogenic pump components. We can produce components weighing as little as 20 grams up to 150 kilograms, while offering tight tolerances (up to CT 6) and minimal surface roughness (<0.8 Ra).
Low Rejection Rates
We have made significant improvements in personnel and processes to lower our rejection rates. Internal rejection rate is ~2%, with external below 0.5%. That equates to ~5000 per 1,000,000 parts. Lower rework and scrappage translates to lower total cost of ownership.
Quality Assurance
Strong traceability mechanism built around heat numbers, shell numbers, lot numbers, purchase orders, and operators to ensure fast and accurate traceback. In-house NDT inspections (X-ray, dye penetrant, UV, spectrometric, magnetic particle) by NDT level 2 personnel, paired with other physical, metallurgical, and visual inspections, with thorough documentation. We also offer third-party inspection for further assurance.
Packaging & Export Logistics
We use bubble bags, customized rubber articles, VCI covers, strong corrugated boxes, and fumigated pallets to ensure product safety during transport and handling. We export to the USA, UK, South Korea, Turkey, Romania, New Zealand, Australia, Germany, Canada, Luxembourg, Italy, Spain, Netherlands, and UAE.
Our export logistics for 15-plus countries includes tie-ups with customs clearing agents for fast processing, multiple Incoterms that suit varied requirements, and support for multiple payment modes with generous terms, especially for fast-growing manufacturers.
Turnkey Solutions
We help our clients reduce supply chain inconveniences by offering multiple services under one roof. From prototyping and DFM to manufacturing, testing, and packaging—we provide it all in the same facility. This also lowers their total cost of ownership.
Our Portfolio of Investment Castings for Pumps
As an investment casting pump parts manufacturer, we manufacture the following components for centrifugal, gear, submersible, rotary lobe, slurry, vacuum, turbine, cryogenic, and multi-stage pumps:
Primary Components
- Impellers
- Diffusers
- Volutes
- Casings
- Suction cover
- Suction casing
- Discharge casing
- NRVs (non-return valves)
- Motor adapter
- Bearing housing
- Mechanical seal housing
- Stuffing box
Secondary components
- Couplings
- Wear rings
- Bearing bracket
- Shaft sleeve
- Retainer ring
- Bush
Optimize Pump Performance with Precision-Cast Impellers, Casings & Flow Components.
Alloys We Use for Pump Investment Castings
We manufacture investment castings for pumps using a wide range of alloys, including exotic alloys. Here are some that we commonly pour for pump castings.
Austenitic Stainless Steels (Corrosion-resistant)
Alloyed with chromium and nickel to resist oxidation and chemical attack.
| ASTM Grade | DIN Standard | Application |
|---|---|---|
| CF8 | 1.4308 (GX5CrNi19-10) 1.4309 (GX2CrNi19-11) | Common choice for producing impellers, casings, and housings for gear, rotary lobe, and diaphragm pumps. |
| CF8M | 1.4408 (GX5CrNiMo19-11-2) | The default grade for corrosion resistance. Used in centrifugal, chemical process, marine, submersible, and cryogenic pumps. |
| CF3M | 1.4409 (GX2CrNiMo19-11-2) | Used in manufacturing pumps where regular welding is part of the maintenance process. |
| CK3MCuN | 1.4593 (GX2CrNiMoN20-18-6) | Chosen for high pitting resistance and used in marine and chemical resistance pumps. |
Duplex & Super Duplex Stainless Steels (Pitting resistance)
Balanced 50/50 austenitic-ferritic microstructure for increased strength.
| ASTM Grade | DIN Standard | Application |
|---|---|---|
| CD3MN/4A | 1.4470 (GX2CrNiMoN22-5-3) | Popular for casting casings and impellers for chemical, submersible, and water treatment pumps that are subjected to high pressure and high chlorine levels. |
| CD4MCuN/1B | 1.4517 (GX2CrNiMoCuN25-6-3-3) | Used in casting slurry pump components for its higher abrasion resistance. |
| CE3MN/5A | 1.4417 (GX2CrNiMoN25-7-3) | Generally used where 6A is not an optimal choice. |
| CD3MWCuN/6A | 1.4469 (GX2CrNiMoN25-7-4) | Excellent pitting resistance; used in marine and chemical pumps. |
Low Alloy & High-temperature Steels (Creep resistance)
Chromium and Molybdenum (Cr-Mo) alloyed for oxidation/scaling resistance at high temperature.
| ASTM Grade | DIN Standard | Application |
|---|---|---|
| WC9 | 1.7379/80 (G12CrMo9-10) | They are popular alternatives to WCB, where components and pumps need to function at high temperatures and require oxidation resistance. |
| C5 | 1.7363 (GX12CrMo5) | |
| C12 | 1.7389 (12CrMo10-1) |
Martensitic Stainless Steel & Nickel Alloys (Extreme wear and corrosion resistance)
Heavy-duty materials for extremely demanding applications.
| ASTM Grade | DIN Standard | Application |
|---|---|---|
| CA-15 | 1.4011 (GX12Cr12) | All-around solution that offers a good mix of strength, hardness, wear resistance, and moderate corrosion resistance. Used in multiple pumps. |
| CA-40 | 1.4028 (GX30Cr13 / GX20Cr14) | |
| CU5MCuC | 2.4858-NiCr21Mo |
Bronze & Copper Alloys (excellent castability and resistance to seawater)
Materials tailored for seawater.
| ASTM Grade | DIN Standard | Application |
|---|---|---|
| C90300 | CC480K (CuSn10-c) | They are used primarily in marine and submersible pumps because of their excellent resistance to seawater and brackish water. |
| C90500 | CC491K (CuSn5Zn5Pb5-C) |
Apart from the above, we also support casting with custom alloys and materials that meet JIS, EN, and other standards. For a complete list of materials we cast with, please visit our materials options page.
Manufacturing Pump Investment Castings—Our Process
As a pump casting manufacturer in India, this is how we produce precision pump castings for our OEM and tier-1 supplier clients in India and overseas.
Prototype Development for New Designs
Our team expands on your technical and CAD drawings to create prototypes for your new design. Using Die Tools or 3D printers, our team turns digital drawings into prototypes, enabling faster iteration. Rapid prototyping to finalization takes between two and three weeks.
Designing For Manufacturability (DFM)
Our team works with you to finalize the casting material, simplify design, run simulations, decide tolerances, and more. This reduces tooling costs, lowers incidences of defects and reworks, compresses production timelines, and lowers engineering change orders.
Wax Patterns
We inject liquid wax into the engineered Molds to form a positive impression of the component. On solidification, individual wax patterns are aligned, arranged, and affixed to a sprue to form the wax runner tree.
Shell Building
Operators dip the wax runner tree (or larger patterns individually) into the ceramic hotpot. We use a mixing machine and superior grades of silica and zircon to create a slurry. Every component is subjected to alternate coatings of slurry and stucco—up to eight times or more-to form an optimally thick shell.
Dewaxing and Pre-Baking of Shells
We place the shells in the autoclave, where steam quickly melts the wax without affecting the ceramic shell. This leaves behind a near-perfect inverse impression as a negative space. Additionally, these shells are then quickly transferred to a pre-heated furnace to remove trace wax and moisture and further improve the ceramic shell's strength.
Pouring and Production
Worker-assisted semi-automatic pouring process that ensures molten metal is poured quickly and gently into the ceramic shell. This ensures even distribution, even cooling, and lowers the possibility of hot corners. Once cooled into shape, these components are then processed for the next stage.
Knocking and Fettling
Manual impact and high-power Pneumatic Force to knock out ceramic shells. Components are sawed off from the sprue, have their ceramic cores removed, have the gates and risers ground out, and have their surface cleaned via sand blasting or shotblasting.
Heat Treatment
We place the fettled castings inside furnaces to gradually heat them up to a requisite temperature before air cooling or quenching them, based on the alloy used. This improves physical properties such as surface strength and overall hardness, and enhances corrosion resistance along with the proper microstructure of the grains.
Machining and Inspection
We mark all the critical and mating surfaces, and accordingly turn, mill, ream, and drill them as per requirement. This not only improves tolerances but helps us deliver a dimensionally robust product from one batch to the next. Subsequent non-destructive testing, X-ray and UV analysis, hardness test, and visual inspections provide additional quality assurance.
Packaging and Dispatch
We package the components in freight-worthy packaging, attach all necessary documents, and dispatch them to the port of destination as per the Incoterm agreement.
Source Investment-Cast Pump Parts in Application-Specific Alloys.
IP, Compliance, and ESG for Pump Investment Castings
Our commitment to assurance extends beyond routine testing to cover IP handling, compliance measures, and our commitment to sustainability.
Intellectual Property
At Super Quali Cast, our IP policy serves to assure our clients regarding the safety of their data. Projects commence only after NDAs come into force, with additional assurance from our end that their alloy requirements, designs, and data are never shared with a third party without their express written approval. Post project culmination, we retain the tooling unless agreed to otherwise,
Compliance
Compliance is a core component of our production chain and is carried out at the gross level and the individual casting level. We source our raw materials only from suppliers who provide mill test certificates to ensure quality control and compliance at the gate. Furthermore, unless agreed upon, our castings default to VDG P690 D1/D2, IS 11166:1993 Class 1 and 2, and ISO 8062 standards for tolerance compliance. Last but not least, our compliance extends to export regulations
ESG
As responsible manufacturers of investment castings for pumps, we ensure our processes are in sync with environmentally sound production practices. We take active measures to reduce waste and liquid discharge, and operate a 2.5 MW solar power plant that helps reduce our carbon emissions—benefits that translate into Scope 3 efforts for our EU-based clients. Additionally, we hold ISO 14001 certifications and have an Eco Vadis certification.
Industries We Serve with Investment Castings for Pump Industry
As a leading pump casting manufacturer in India, we create investment castings for pump components for end use in the following industries.
Oil & Gas
Impellers, volutes, casings, and other components for centrifugal, turbine, submersible, multi-stage, and cryogenic pumps.
Utility (Wastewater)
Impellers, volutes, expellers, throat bush, and other components for slurry and other water treatment pumps.
Power Generation
Volutes, casings, impellers, displacement bowls for turbine, centrifugal, and other pumps used in power plants and energy projects.
Petro & Chemical Processing
Corrosion-resistant impellers, volutes, bodies, and other components to ensure operational excellence and lower maintenance.
Mining
Low-maintenance and swappable components for slurry, centrifugal, submersible, diaphragm, and positive displacement pumps.
Firefighting
Volutes, impellers, casings, diffusers, casing box, NRV components, and other parts for centrifugal pumps used in firefighting.
Need Complex Pump Geometries with Consistent Casting Accuracy?
Frequently Asked Questions
Sand or investment casting, which is more suitable for pumps?
The process of producing the pump, and by extension its components, is largely determined by the size of the product and its intricacy. Parts that are intricate and up to 150 kilograms are ideal candidates for investment casting. Anything above that is better suited to sand casting.
As an investment casting pumps parts supplier, can you export to countries other than the 15 listed?
We have the capability to export to all major regions around the globe, and can export to yours, subject to international conditions. To learn more about this, please get in touch with us.
Who owns the tooling when the project ends?
We discuss tooling ownership for engineered solutions at the time of project launch. In general, after project completion, we retain the tooling for your future association with us and the ownership is customer’s.
What lead times do you offer for pump investment castings?
The average lead time for pump investment castings as a whole is between 30 and 45 days for the initial tranche. Subsequent shipments take less time. This timeline can vary based on the pump type and part produced.
Can you produce custom investment castings for pumps?
Yes, we can produce custom investment castings for pumps using your alloy of choice (standard or proprietary). We can also etch or carve your brand name into the castings, if requested. To learn more about our custom investment casting service, please reach out to us.
How to choose the right pump casting manufacturer from India?
To choose the right pump casting manufacturer from India, focus on their operational capacity, machinery, certifications, and exposure to your industry. An experienced manufacturer can be better suited for time-sensitive operations with zero margin of error.
Pumps Investment Casting Solutions
High-performance casting components engineered for critical flow control applications across global industries.