API TR 938-B : 2008
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
USE OF 9CR-1MO-V (GRADE 91) STEEL IN THE OIL REFINING INDUSTRY
03-02-2024
01-06-2008
1 Scope
2 Terms, Definitions, Acronyms, and Symbols
2.1 Terms and Definitions
2.2 Acronyms
2.3 Symbols
3 Base Metal Chemical, Physical, Mechanical and
Metallurgical Properties
3.1 General
3.2 Chemical Composition
3.3 Physical Properties
3.4 Metallurgical Properties
3.5 Mechanical Properties
4 Metallurgy and Environmental Related Failure Mechanisms
4.1 Oxidation and Sulfidation Resistance
4.2 Wet Hydrogen Sulfide Cracking
4.3 Hydrogen Attack Resistance
4.4 Hydrogen Embrittlement, Hydrogen Diffusivity and
Trapping
4.5 Temper Embrittlement
4.6 Type IV Cracking
5 Material Requirements
5.1 Base Metal
5.2 Welding Consumables
6 Fabrication and Welding Requirements
6.1 General Concerns
6.2 Cold Bending
6.3 Hot Bending
6.4 Welding
7 Examples of 9Cr-1Mo-V Applications and Refinery
Experiences
7.1 Experiences
7.2 Applications
Bibliography
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