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Max. tube skin temperature

Thread starter PAN
Start date Jun 26, 2002

Status: Not open for further replies.

Jun 26, 2002

PAN

Mechanical

What should be the limit for maximum tube skin temperature of fired heater tubes. I understand that API 530 specifies about the design life. However, metalurgical aspect is not considered in this document.

For 2.25Cr-1Mo steel, should the tube skin temperature be lower than the range of temper embrittlement.