Materials and Fabrication of 11Cr-1Mo Steel Pressure Vessels for Service Above 825 °F (440 °C), Third Edition
STANDARD published on 1.9.2026
Designation standards: API RP 934-E
Publication date standards: 1.9.2026
The number of pages: 29
Approximate weight : 87 g (0.19 lbs)
Country: American technical standard
Category: Technical standards API
This standard includes materials and fabrication requirements for new 11Cr-1Mo and 1Cr-1Mo steel pressure vessels, including heat exchanger shells and channels for elevated temperature service. It applies to pressure vessels that are designed, fabricated, and documented in accordance with ASME Code Section VIII, Division 1 or Division 2.This document may also be used as a resource when planning to modify existing pressure vessels. See more