These Fabrications and Pressure vessels are built using many different material types with the appropriate Welding Procedures (WPSs and PQRs) including:
• Carbon steel – ASTM SA 516 GR70, ASTM SA 612, EN P355, R EN P460 NL1, EN P440 NJ4 and others.
• Stainless steel – SA 304 L, SA 316 L.
• Duplex – SA2205.
Hydrogen Storage Vessel