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API TR 934-B-ed.2
Fabrication Considerations for Vanadium-Modified Cr-Mo Steel Heavy Wall Pressure Vessels
Translate name
STANDARD published on 1.1.2022
The information about the standard:
Designation standards: API TR 934-B-ed.2
Publication date standards: 1.1.2022
SKU: NS-1140756
The number of pages: 44
Approximate weight : 132 g (0.29 lbs)
Country: American technical standard
Category: Technical standards API
Annotation of standard text API TR 934-B-ed.2 :
API TR 934-B, 2nd Edition, January 2022 - Fabrication Considerations for Vanadium-Modified Cr-Mo Steel Heavy Wall Pressure Vessels
This best practice report complements API RP 934-A and specifies additional fabrication considerations that should be observed when constructing a new heavy wall pressure vessel using vanadium-modified Cr-Mo materials intended for hydrogen service at elevated temperature and pressure. It applies to vessels that are designed, fabricated, certified, and documented in accordance with ASME Boiler and Pressure Vessel Code (BPVC), Section VIII, Division 2, including paragraph 3.4 of the ASME Code, Supplemental Requirements for Cr-Mo Steels and former ASME Code Case 2151, as applicable (or equivalent international codes).
Nominal material chemical compositions covered by this report are the vanadium-modified steels including 21/4Cr-1Mo -21/4V, 3Cr- 1Mo-1/4V-Ti-B, and 3Cr-1Mo-1/4V-Nb-Ca steels. The interior surfaces of these vessels may have an austenitic stainless steel cladding or weld overlay to provide additional corrosion resistance.
