Oil and Gas Investment Casting Manufacturer
Our Oil & Gas Casting Capabilities
As a specialist oil and gas investment casting manufacturer in India, Uni Tritech combines NADCAP certification with deep metallurgical expertise in corrosion and high-pressure alloys – delivering castings that meet API, NACE, and ASTM standards for the most demanding oilfield environments:
- API 6A & API 11D1 Compliance: Valve and wellhead castings manufactured and tested to API standards required by global oil and gas operators.
- NACE MR0175 / ISO 15156: Full sour service (H2S) compliance across all relevant alloy and heat treatment combinations for oilfield applications.
- Corrosion-Resistant Alloy (CRA) Expertise: Proven casting capability in Inconel 625, Inconel 718, duplex 2205, super-duplex 2507, and 6Mo stainless steels.
- Subsea & High-Pressure Applications: Castings engineered for subsea tree, manifold, and HIPPS valve applications with full pressure integrity testing.
- Advanced NDT & PMI: 100% positive material identification (PMI), radiographic testing, and FPI on all oil and gas precision castings.
Investment Casting Process for Oil & Gas Components
At Uni Tritech, our oil and gas investment casting manufacturer process is specifically tailored for the high-integrity requirements of the energy sector:
Our Oil & Gas Casting Process Includes:
- Alloy Selection & Certification: We source fully certified CRA bar stock and scrap, with mill certificates and spectrometric verification before melt.
- Precision Wax Pattern Production: Complex valve body and impeller geometries produced with precision wax dies achieving ±0.15 mm pattern accuracy.
- Refractory Ceramic Shell: Multi-layer ceramic shell optimised for CRA pouring temperatures and prevention of reactive alloy contamination.
- Controlled Melting & Pouring: Induction and VIM melting for Inconel and duplex alloys, with strict pouring temperature and atmosphere controls.
- Post-Cast Heat Treatment: Solution annealing, precipitation hardening, and stress relief to NACE and API-specified heat treatment requirements.
- NDT, PMI & Pressure Testing: X-ray, FPI, PMI, hardness testing, and hydrostatic pressure testing to API 6A and customer specifications.
Why Choose Uni Tritech as Your Oil & Gas Investment Casting Manufacturer?
Procurement engineers sourcing oil and gas castings from India choose Uni Tritech because of our combination of CRA alloy expertise, NADCAP accreditation, and proven ability to meet API and NACE compliance requirements that most Indian foundries cannot satisfy.
Our dedicated oil and gas casting team operates with an uncompromising quality mindset – delivering Inconel, duplex, and super-duplex castings with full traceability, third-party inspection compatibility, and API documentation packages. Choose Uni Tritech for zero-defect oil and gas precision castings from India.
Here’s Why You Should Choose Us:
- API & NACE Capable: Deep understanding of API 6A, API 11D1, NACE MR0175, and ASTM requirements for oilfield casting procurement.
- CRA Alloy Expertise: Inconel 625, duplex 2205, super-duplex 2507 - we have the melting, casting, and heat treatment capability for all key CRAs.
- Full NDT & Traceability: 100% radiographic inspection, PMI, hardness testing, and heat number traceability on every oil and gas casting.
- TPI Compatible: All castings manufactured to accept third-party inspection (Lloyds, Bureau Veritas, DNV, TÜV) with full process documentation.
- Cost-Competitive vs European & US Foundries: Premium quality at Indian manufacturing cost - significant savings for global O&G operators without compromising API compliance.
Key Oil & Gas Components Manufactured by Uni Tritech
As a comprehensive oil and gas investment casting manufacturer in India, Uni Tritech produces a wide range of precision components for upstream, midstream, and downstream applications:
Key Oil & Gas Components Manufactured:
- Gate, Ball & Check Valve Bodies: API 6A-compliant valve castings in stainless 316L, Inconel 625, duplex 2205, and carbon steel for wellhead applications.
- Pump Casings & Impellers: High-efficiency impeller castings in duplex, super-duplex, and Inconel for oilfield, refinery, and subsea pumping systems.
- Subsea Manifold & Tree Components: Complex geometry subsea castings in 6Mo and super-duplex for subsea production system manifolds and Xmas trees.
- Choke & Flow Control Bodies: Precision choke bodies and flow control castings in Inconel 718 and 17-4PH for high-pressure oilfield applications.
- Flange & Connection Components: Forged-equivalent precision flanges and connector castings in API-specified carbon and alloy steel grades.
- Compressor Vanes & Impellers: Nickel alloy compressor components for gas processing plant compression equipment in oilfield and LNG applications.
Sustainable Oil & Gas Manufacturing
Uni Tritech operates as a responsible oil and gas investment casting manufacturer, minimising environmental impact while meeting energy sector demands:
- Responsible Alloy Sourcing: CRA raw materials sourced from certified, responsible producers with full chain-of-custody documentation.
- Process Waste Minimisation: Precision near-net-shape casting minimises machining waste, reducing material consumption versus forging alternatives.
- Environmental Compliance: All operations comply with Indian environmental regulations and international ISO 14001-aligned practices.
Our Commitment to Oil & Gas Quality Standards
Every oil and gas casting at Uni Tritech goes through a multi-stage quality assurance process aligned to API, NACE, and international oil company (IOC) quality requirements:
- API 6A Quality Programme: Manufacturing, testing, and documentation aligned to API 6A PSL 1, 2, and 3 quality levels as specified.
- 100% Radiographic Inspection: X-ray radiography to ASTM E446 on all pressure-retaining castings, with reject/repair decisions per API standards.
- Positive Material Identification: 100% PMI by XRF analyser on all CRA castings verifying chemical composition before release to customer.
- Third-Party Inspection Ready: All production documentation, material certificates, and inspection records maintained for TPI witness and review.
Frequently Asked Questions
We cast Inconel 625, Inconel 718, duplex 2205, super-duplex 2507, 6Mo stainless, 316L, and carbon steels – all standard CRA and pressure-vessel alloys specified for oilfield, subsea, and refinery applications.
Yes. Our valve body and wellhead castings are manufactured to API 6A PSL requirements, with full material certification, NDT, hardness testing, and dimensional inspection documentation supplied with every order.
Yes. We manufacture NACE MR0175 compliant castings for sour service (H2S) applications, with controlled hardness heat treatment and full compliance with ISO 15156 requirements for oilfield sour environments.
Yes. We welcome TPI from Lloyds, Bureau Veritas, DNV, and TÜV. Full process documentation, material certificates, and inspection records are maintained and available for witness inspection on request.
We produce gate, ball, and check valve bodies, pump casings and impellers, subsea manifold components, choke bodies, flanges, and compressor parts in all major API and CRA alloy grades.
Prototype oil and gas castings are typically delivered in 8–10 weeks. Series production lead times are discussed at order stage based on alloy availability, batch size, and inspection requirements.
Looking for a reliable oil and gas investment casting manufacturer in India?
Uni Tritech delivers API-compliant, NADCAP-certified CRA castings globally. Contact us for a technical review and quote.