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Warmstreckgrenzenbereich

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09:57 Mar 27, 2003
German to English translations [PRO]
Tech/Engineering
German term or phrase: Warmstreckgrenzenbereich
this is a materials inspection document for certification of a power plant, has to do with the manufacture/welding/annealing of pipes
Carmen Lawrence
Spain
Local time: 00:30
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Summary of answers provided
5 +1upper and lower yield points OR yield point rangeKay Fisher
4 +1high temperature yield strength rangemchd
4hot yield point / hot yield range
Nicole Trebbin
4high-temperature limiting elasticity range
Gillian Scheibelein


  

Answers


5 mins   confidence: Answerer confidence 4/5Answerer confidence 4/5
high-temperature limiting elasticity range


Explanation:
Ernst techn dict.

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Note added at 2003-03-27 10:05:50 (GMT)
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if the pipes are made of metal (rather than thermoplastics)

then

range/region of high-temperature limiting DUCTILITY


Gillian Scheibelein
Germany
Local time: 00:30
Native speaker of: Native in EnglishEnglish
PRO pts in pair: 3469

Peer comments on this answer (and responses from the answerer)
neutral  Kay Fisher: elastic limit=max. stress for fully recoverable elastic behaviour. BUT: yield stress/strength= stress at onset of plastic deformation. This may be higher than the elastic limit. Proof stress is the correct term where the material has no yield point.
1 hr
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25 mins   confidence: Answerer confidence 4/5Answerer confidence 4/5 peer agreement (net): +1
high temperature yield strength range


Explanation:
Streckgrenze = yield strength
from Tube Association Dictionnary and from a tube manufacturer glossary

mchd
France
Local time: 00:30
Native speaker of: Native in FrenchFrench
PRO pts in pair: 8

Peer comments on this answer (and responses from the answerer)
agree  Kay Fisher: yield point or yield strength also confirmed in iron and steel dictionary (and my personal knowledge as a materials scientist)
53 mins
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1 hr   confidence: Answerer confidence 5/5 peer agreement (net): +1
upper and lower yield points OR yield point range


Explanation:
As an extension to my comments on the answers above.

Some materials have no yield point. Metals generally do. In fact, they have two, which explains the "-bereich" in the term given.

The explanantion given by the "Materials Science and Technology Dictionary" from Chambers is as follows:

"Yield point: Essentially, the limit of the elastic region of a stress-strain curve where plastic deformation occurs. However, in low-carbon steel and certian other materials the yield point is associated with a sudden drop in the stress and a small plastic extension..."

My comment: The stress registered on the diagram increases until the upper yield point is reached and then there is a sudden drop in stress while the material extends - the stress curve takes a dip down to the lower yield point. Once the sudden extension has occured, the material starts to extend slowly again and the stress and strain rise again smoothly.

I assume that in the inspection report they're going to give a strength range for this term. The alternative is that they are giving a ballpark figure for the yield strength, in which case I'd go for "yield point range".

Yield point and yield strength are interchangeable.

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Note added at 2003-03-27 11:50:12 (GMT)
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Some refs with diagrams:

German:
http://www.neue-arbeit-saar.de/pro_werkst/zugversuch.htm#
http://www.ulrich-rapp.de/stoff/werkstoff/zugversuch/Zugvers...
http://www.mpa.uni-stuttgart.de/LS/Vordiplom/Wkp/01_zugversu... exact explanation in German

English:
http://nsmwww.eng.ohio-state.edu/Stamping_Glossary/html/y.ht...
http://www.ccr.buffalo.edu/etomica/app/modules/sites/Materia...


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Note added at 2003-03-27 11:52:17 (GMT)
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Ductility, by the way, is a whole other kettle of fish...

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Note added at 2003-03-28 07:19:05 (GMT)
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high-temperature OR hot upper and lower yield points OR yield point range.

Generally the temperature will be given if this is for certification, in which case it would be quite correct to write:

upper and lower yield points at XXX°C

Kay Fisher
PRO pts in pair: 113

Peer comments on this answer (and responses from the answerer)
agree  Gillian Scheibelein: wow!
1 hr
  -> Thanks Gillian, this is my "bread and butter" stuff. ;-)
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8 hrs   confidence: Answerer confidence 4/5Answerer confidence 4/5
hot yield point / hot yield range


Explanation:
www.tecnologix.de

Nicole Trebbin
Germany
Local time: 00:30
Native speaker of: Native in GermanGerman
PRO pts in pair: 44
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