PROVEN CASE STUDIES

Delivering Mission-Critical Heavy Projects

Discover how our engineering, metallurgy, and heavy fabrication teams solved complex technical challenges to deliver zero-defect turnkey systems for premier energy operators.

180-Ton Hydrocracker Reactor

180-Ton Hydrocracker High-Pressure Reactor

180 Tons Unit Weight
85 mm Wall Thickness
SA 387 Gr 22 Material Alloy
Challenge: Severe high-temperature hydrogen attack (HTHA) risk requiring strict PWHT temperature soaking controls within ±5°C.

Executed twin-arc automated submerged arc welding with 347 stainless weld overlay cladding, followed by computerized 620°C furnace PWHT and 100% Phased Array Ultrasonic Testing.

Offshore Gas Gathering Skids

Subsea Gas Gathering Modular Skids Package

65 Tons / ea Skid Weight
UNS S32750 Super Duplex
100% RT NDT Scope
Challenge: Extreme marine pitting resistance requirements (PREN > 42) and compact deck footprint integration.

Completed complete orbital TIG piping spools, structural skid base fabrication, FAT pressure testing at 450 bar, and marine 3-coat epoxy paint preservation.

Nuclear Containment Shell

Nuclear Secondary Containment Shell Ring

5.8 Meters Diameter
±1.2 mm Circularity Tol.
ASME Sec III Nuclear Code
Challenge: Stringent nuclear-grade traceability, low-cobalt material certification, and tight roundness tolerances across 5.8m span.

Utilized heavy 4-roll CNC plate rolling with internal laser tracking spider bracing, followed by complete radiography and third-party Authorized Nuclear Inspector (ANI) signoff.

Heavy Shipyard Gantry Structure

120-Ton Heavy Gantry Shipyard Framework

120 Tons Total Steel
28 Meters Span Height
AWS D1.1 Welding Code
Challenge: Dynamic cyclic fatigue load requirements with pre-assembled modular delivery to minimize drydock installation downtime.

Completed full shop trial assembly in our 50,000 sq ft bay, 100% magnetic particle inspection on critical node joints, and barge loading logistics.

Steam Turbine Casing CNC Machining

High-Pressure Steam Turbine Casing CNC Machining

±0.010 mm Bore Precision
Ra 0.4 µm Surface Finish
5-Axis CNC Siemens 840D
Challenge: Heavy multi-ton forged alloy casing requiring complex internal steam diaphragm groove contouring.

Performed precision horizontal boring and milling on 14-meter travel bed with laser CMM coordinate mapping and high-temperature dimensional stability verification.