Asme B 3112 Pdf __top__ Jun 2026

: Sets rigorous criteria for materials to ensure they are compatible with hydrogen, addressing risks like hydrogen embrittlement.

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Published by the , B31.12 is part of the renowned ASME B31 Code for Pressure Piping, which has been defining piping safety standards since 1922. : Sets rigorous criteria for materials to ensure

| Feature | ASME B3112 | ISO/ASTM 52902 | | :--- | :--- | :--- | | | Primarily Americas (USA, Canada) | Global (Europe, Asia, rest of world) | | Specific Technology | Explicitly Laser Powder Bed Fusion (L-PBF) | Broader (includes binder jetting, etc.) | | Test Artifact | Specific geometry defined in the standard | Similar, but slightly different geometry | | Industry Uptake | Heavy in Aerospace (US Defense) | Heavy in Medical (EU MDR) | Published by the , B31

While not a comprehensive safety code, this section references NFPA 484 (Standard for Combustible Metals) and recommends inert atmosphere storage for reactive powders.

Strict welding procedures and non-destructive examination (NDE) methods, such as radiography or ultrasonic testing, are mandated to ensure there are no defects where hydrogen could accumulate. Testing and Commissioning:

According to technical reviews, it is expected that relevant hydrogen service requirements from ASME B31.12 will eventually be incorporated into ASME B31.3 (Process Piping) and ASME B31.8 (Gas Pipelines). When this happens, ASME B31.12 may be retired, but its technical expertise will live on within these broader codes.