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terms (evaluating temp. , high temp. , elivating temp. , low temp. , medium temp.)

terms (evaluating temp. , high temp. , elivating temp. , low temp. , medium temp.)

terms (evaluating temp. , high temp. , elivating temp. , low temp. , medium temp.)

(OP)
what is the limit in tempreture in terms (evaluating temp. , high temp. , elivating temp. , low temp. , medium temp.)of material selection. , where can i find that in asme standard

RE: terms (evaluating temp. , high temp. , elivating temp. , low temp. , medium temp.)

If I understand you question, you are asking
- What temperature limits are used if an application is described as "High Temperature"?
- What temperature limits are used if an applicaiton is described as "Elevated Temperature"?
- What temperature limits are used if an applicaiton is described as "Low Temperature"?
- What temperature limits are used if an applicaiton is described as "Medium Temperature"?

The answer to all of these is "undefined". The use of these terms is relative to the material and the usual environment.

These terms are used to notify the user that there are temperature limits for the material. The specific specification and/or application would have to be examined to determine what those actual limits are.

rp

RE: terms (evaluating temp. , high temp. , elivating temp. , low temp. , medium temp.)

Yep, these are just words, you will not find them in a standard. Mostly, those are terms that the Marketing guys like to use because you can't pin them down to a solid number.

RE: terms (evaluating temp. , high temp. , elivating temp. , low temp. , medium temp.)

To put it simply, material selection is based on process application, and knowledge of an experienced materials engineer. ASME Codes and Standards do not provide guidance on specific material selection, they provide acceptable materials for consideration and limits for their use.

RE: terms (evaluating temp. , high temp. , elivating temp. , low temp. , medium temp.)

(OP)
i mean that the range for temp when the ASME say ( A516 desciped for moderated and low temp.) , ( A 515 for high temp.) , (En 10028-2 spesified for elevated temp.)

RE: terms (evaluating temp. , high temp. , elivating temp. , low temp. , medium temp.)

The descriptions in the ASTM/ASME materials specifications are for general information purposes only to guide the user with no definitions regarding minimum/ intermediate / maximum service temperatures. You need to look at ASME B&PV Code, Section II, Part D. This code book section contains allowed material, maximum allowable service temperature and for some materials minimum service temperature. The allowable stress lines where the values change from bold type to italicized represent values that are governed by time dependent properties (creep. stress rupture).

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