strength weld

11:38 Sep 17, 2020
This question was closed without grading. Reason: No acceptable answer

English to Italian translations [PRO]
Tech/Engineering - Mechanics / Mech Engineering / gate valves
English term or phrase: strength weld
This type of weld is different from a seal weld, as per ASME definitions:
"UW-20 TUBE-TO-TUBESHEET WELDS
UW-20.1 Scope. These rules provide a basis for estab¬lishing weld sizes and allowable joint loads for full strength and partial strength tube-to-tubesheet welds.
UW-20.2 Definitions
UW-20.2(a) Full Strength Weld. A full strength tube-to-tubesheet weld is one in which the design strength is equal to or greater than the axial tube strength, F,. When the weld in a tube-to-tubesheet joint meets the requirements of UW-20.4, it is a full strength weld and the joint does not require qualification by shear load testing. Such a weld also provides tube joint leak tightness.
UW-20.2(b) Partial Strength Weld. A partial strength weld is one in which the design strength is based on the mechanical and thermal axial tube loads (in either direc¬tion) that are determined from the actual design conditions. The maximum allowable axial load of this weld may be determined in accordance with UW-20.5, Appendix A, or UW-18(d). When the weld in a tube-to-tubesheet joint meets the requirements of UW-20.5 or UW-18(d), it is a partial strength weld and the joint does not require qualifi¬cation by shear load testing. Such a weld also provides tube joint leak tightness.
UW-20.2(c) Seal Weld. A tube-to-tubesheet seal weld is one used to supplement an expanded tube joint to ensure leak tightness. Its size has not been determined based on axial tube loading."
Francesco D'Arcangeli
Italy
Local time: 06:01


Summary of answers provided
3 +1saldatura a resistenza
Chiara Perrone (X)


  

Answers


2 hrs   confidence: Answerer confidence 3/5Answerer confidence 3/5 peer agreement (net): +1
saldatura a resistenza


Explanation:
https://www.amadaweldtech.eu/it/knowlegde-base/saldatura-res...

https://www.di-no.it/en/content/i-segreti-della-saldatura-re...

http://www.tpa-srl.net/saldatura-a-resistenza/

Ecc...

Chiara Perrone (X)
Italy
Local time: 06:01
Specializes in field
Native speaker of: Italian
PRO pts in category: 8

Peer comments on this answer (and responses from the answerer)
agree  Francesco Badolato
19 hrs
  -> Grazie!
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