Dear Martin,
If you have ASME assigned you can use ASME VIII Appendix R
If you have AWS D1.1 listed material you can use AWS D1.1 table 4.9 or Annex I guideline on alternative method for determining preheat
Or you can use the following formula for fast calculations.
Best regards,
Yassein Abdou
Welding & Grating Manager
energya STEEL FABRICATION
Tel +2015 412 239 - 412 249 / +2010 002 0133
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From:
Sent: 13 January, 2011 9:01 AM
To:
Subject: [MW:9205] preheat calculation
Hi freinds,
How to calculate a preheat? Is the any mathematic formula for this?
kind regards,
Martin.
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