Continue to Site

Eng-Tips is the largest engineering community on the Internet

Intelligent Work Forums for Engineering Professionals

  • Congratulations KootK on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Search results for query: *

  1. Welding Engineer

    Maximum Preheat Temperature in Power Piping

    After cross-referencing between ASME IX and B31.1 I found the correlation about the maximum preheat temp. in QW-406.7 of ASME IX, which states that "a change in the preheating temperature of more than 25°F (15°C)" will be considered to affect the mechanical properties of the weldment and...
  2. Welding Engineer

    Maximum Preheat Temperature in Power Piping

    Hello Members, ASME B31.1 specifies minimum preheat temperature for P-No. 5B and P-No. 15E at 205 deg. C for all thicknesses. How many degrees may the preheat temp. exceed the specifies min. preheat temp? Best regards, MZA

Part and Inventory Search