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Fiber elongation after pipe bending
Dear sir. Postbending heat treatment is required when the maximum calculated fiber elongation after bending exceeds 50% of the specified basic min. elongation for the applicable material according to para. 332.4.2 of ASME B31.3. Please let me know how to calculate fiber...- iwikr
- Thread
- Replies: 1
- Forum: Pipelines, Piping and Fluid Mechanics engineering
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PWHT holding temperature
PWHT holding temperature are specified as below: P No. Applicable Code Temperature(degree C) ------------------------------------------------------------ P No.1 ASME Sect.8-2001 edition Min. 593 P No.1 ASME Sect.8-2004 Min. 650*(changed) P No.1 ASME B31.3-2004 594~649...- iwikr
- Thread
- Replies: 5
- Forum: Boiler and Pressure Vessel engineering
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Welds of P91 to 50cr-50NI
Heater tube, A 335 P91(P-NO. 5B) to pipe support of A 560 50Cr-50Ni-Cb has been completed with non-hardened filler metal, ERNiCr-3, and proper preheating according to the applicable Code ASME B31.3 I would like to know for the following question: First, My interpretation is correct that...- iwikr
- Thread
- Replies: 8
- Forum: AWS (welding) Code Issues
