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PRESSURE VESSEL• Oil & Gas Processing
SA 516 Gr 70 High Pressure Separator with SS 316L Overlay
Shop fabrication and ESSC strip cladding overlay welding of gas-liquid separation pressure vessel.
Client: Process Engineering OEM
Site: Dahej Industrial Area
Date: Aug 2025
Project Overview & Execution Details
Manufactured according to ASME Section VIII Div 1 with full radiography and post-weld heat treatment (PWHT). Internal surfaces received a 4mm thick stainless steel corrosion-resistant overlay deposited via automatic submerged arc strip cladding.
Defined Scope of Work:
Shell rolling (52mm), dished end hot pressing, nozzle welding, internal baffles, hydro-testing at 85 bar.
Execution Milestones & QA Gates
Chronological project order tracking
Engineering Drawings & Material Procured
COMPLETEDDelivered on: 16 Oct 2026
Cutting, Fit-up & Root Pass Inspection
COMPLETEDDelivered on: 16 Oct 2026
3
Full Welding & NDT (Radiography / UT)
IN_PROGRESS4
Blasting, Protective Coating & Final QA Handover
PENDINGTechnical Specifications
- Design Pressure
- 55 bar (Hydrotest at 85 bar)
- Base Metal
- ASTM A516 Gr 70 (Normalized)
- Cladding Metal
- AWS A5.9 EQ316L (ESSC strip)
- Dimensions
- 3,200 mm ID x 14,500 mm Tan-to-Tan
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