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API TR 938-B : 2008

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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
Withdrawn date

03-02-2024

Published date

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

Describes the basic material and metallurgical properties of 9Cr-1Mo-V steel, including a summary of the physical and mechanical properties, corrosion and oxidation resistance, indicating possible corrosion and/or mechanical failure mechanisms and how to avoid them.

DocumentType
Standard
ProductNote
This product is unavailable in Cuba, Iran, North Korea, Syria
PublisherName
American Petroleum Institute
Status
Withdrawn

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