Request PDF | EPRI Guidelines for Fabrication of Components Manufactured From Grade 91 Steel | Over the last 10 years EPRI has been researching criticalThis report concentrates on several key aspects of Grade 11 (1¼Cr½Mo) and Grade 12 (1Cr½Mo) steels (including the equivalent German [13CrMo4 4], British [620/ Carbon Steel Handbook Effective December 6, 2006, this report has been made publicly EPRI reports in this series—The Grade 22 Low Alloy Steel Handbook Proceedings from the Seventh International Conference, October 22-25, [4] Masuyama, F. and Mitsuura, H. “High Strength Heat-Resistant Low Alloy Steels. This report focuses specifically on the weld metal metallurgical characteristics of carbon, low-alloy martensitic, and austenitic stainless steel welds. Readers might also wish to consult the previous EPRI reports in this series The Grade 22 Low Alloy Steel Handbook (1011534) and The Grades 11 and 12 Low The effectiveness of Laves phase strengthening in ferritic steels was reported longer creep life than Grade 92 steels at a given creep test condition. The hand - book focuses on several key areas , including standards and codes , metallurgy , mechanical properties ( new and service exposed ) , and fabrication