1/2H material, "O"

English translation: 1/2H (drawn) 0 (soft annealed)

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
English term or phrase:1/2H material, "O"
English translation:1/2H (drawn) 0 (soft annealed)
Entered by: Gayle Wallimann

07:07 Oct 18, 2004
English to English translations [PRO]
Tech/Engineering - Mechanics / Mech Engineering
English term or phrase: 1/2H material, "O"
air conditioning

[piping - the text is saying that since the refrigerant of this new unit is R410A, while previous unist used R22 (lower pressure) some changes need to be made to circuits/tools used, etc.]



"Refrigerant piping:
Only ö 19.1 is changed to ***1/2H material***
while the previous material is ***"O"***.

...what kind of material is it? and what's the "O"??
Elena Ghetti
Italy
Local time: 00:32
1/2 H copper piping
Explanation:
I think that you are on the right track.
See the second link for the specifications of refrigeration parts (copper pipes)
1/2 H means drawn, whereas H is hard drawn. O is soft annealed.
Selected response from:

Gayle Wallimann
Local time: 00:32
Grading comment
thanks a lot!
4 KudoZ points were awarded for this answer



Summary of answers provided
4 +11/2 H copper piping
Gayle Wallimann


Discussion entries: 1





  

Answers


16 mins   confidence: Answerer confidence 4/5Answerer confidence 4/5 peer agreement (net): +1
1/2h material,
1/2 H copper piping


Explanation:
I think that you are on the right track.
See the second link for the specifications of refrigeration parts (copper pipes)
1/2 H means drawn, whereas H is hard drawn. O is soft annealed.


    Reference: http://www.inaba-denko.com/eng/products/pipe/nh-khe/nh-khe_s...
    Reference: http://www.northeast.com.sg/products/02_copper_pipes_tubes/0...
Gayle Wallimann
Local time: 00:32
Native speaker of: Native in EnglishEnglish
PRO pts in category: 16
Grading comment
thanks a lot!

Peer comments on this answer (and responses from the answerer)
agree  Tony M: It means 'semi-hard' or 'half-hard' --- I think the difference is between cold-drawn and hot-drawn, though I could be wrong there; but I think 1/2H is standard jargon anyway...
38 mins
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