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You can download and open this file to your own computer but DRM prevents opening this file on another computer, including a networked server. PDF Price. Not a Member? This standard is not included in any packages. It specifies heat treatment conditions, proper materials, and strength level.
This revision included several fundamental changes. The final draft went to ballot in , with MR published in Mid-April The task group created MR by borrowing information from MR It also used part of the proposed rewrite.
The group modified requirements to fit the needs of the refining industry better. It also added information that was specific to refining. Image Source: molekuul. Share on facebook. Share on twitter. Share on linkedin. Written by Bjoern Bofinger November 18, MR and MR — How do they compare? The standard states that the user has to determine if the environment is sour.
Users can make this determination based upon the guidelines in the document. They can also base it on plant experience or risk-based analysis. Users also have to state if equipment must meet the material requirements described in MR MR covers only SSC.
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