Fabrication of HRSG Pressure Parts for MACCHI (Italy)
- MACCHI, Sofinter Sp.A Group (Italy)
- Indomarine Workshop, Gresik, Indonesia
- 2025
Project Overview
Client’s Need:
MACCHI, a global leader in energy equipment under the Italian Sofinter Group, needed a manufacturing partner capable of fabricating high-precision HRSG Pressure Parts (PP) and Non-Pressure Parts (NPP) to stringent European quality standards. The challenge was to deliver components with exceptional dimensional accuracy, material integrity, and full traceability for a critical international project.
Our Solution:
Leveraging our ASME certification and advanced manufacturing capabilities—including CNC machining and specialized membrane wall welding—Indomarine engineered and fabricated the required PP and NPP. We implemented an enhanced QA/QC protocol with 100% NDT (Radiography, Ultrasonic Testing) and conducted continuous inspections alongside the client’s representatives to ensure full compliance with international standards.
The Outcome:
We successfully delivered all components on time, meeting all technical specifications and quality requirements of our European client. This project solidified Indomarine’s reputation as a world-class fabricator capable of competing on the global stage. It opened doors for further international collaborations and demonstrated our ability to meet the most demanding customer expectations.
Technical Highlight
Client Industry: Global Power Equipment Supplier
Material: Alloy Steels (SA213 T11, T22, T91, etc.)
Quality Standards: ASME Section I, Section VIII, EN 12952 (European Standard)
NDT Extensive: 100% RT, UT, PT, MT as per requirement

Info Project
- MACCHI, Sofinter Sp.A Group (Italy)
- Indomarine Workshop, Gresik, Indonesia
- 2025
- Manufacturing Fabrication Solution
Project
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