Cold Bend Heat Treatment for Boiler Tubes

[mprjapti]

Hi everyone,

I have cold bend tubes of SA 213 GR T11 (PARENT METAL NO. 4). Tube size: 50.8mm OD x 4.5mm thik., And bending radius 100.


So, as per IBR code which heat treament cycle shall be follow for stress relieving.

 

[metengr]

What does the IBR Code require? Do you have a copy??

 

[Dhurjati Sen]

Dear mprjapti,

Follow as per B 31.3

Regards.

DHURJATI SEN