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Hi, I understand that you are qualifying according to ASME s.IX? Is impact strength required? If not, the qualification range will be 5-31.76mm. If impact strength is required, then you actually need a thinner coupon. I did exactly the same on a PED project and neither the notified body nor...

It appears to be manufactured incorrectly on the 6" side. The wall thickness on that side should be 0.432.

@r6155 Thank you for your reply. All standards are clear and simple when you have experience working with them. If you have such, please confirm whether I have interpreted them correctly. 1. In s.I(2021) in Appendix VIII, the exact location and number of thermocouples are given in the drawings...

@hacksaw By "heating element" they mean each heating mat. That is why performing PWHT with these guidelines in the case of large diameter pipes requires the use of a large number of mats. @r6155 Sorry, I wasn't sure which section to ask this question in.

Hello engineers, I am starting work on boiler pipelines according to ASME section I and B31.1. We will weld pipes with P no. 4, 5A and 15E with quite large diameters (up to 813 mm) and thicknesses (up to 57 mm). In his specification, the client specified the number of monitoring thermocouples...

Hello engineers, I am starting work on boiler pipelines according to ASME section I and B31.1. We will weld pipes with P no. 4, 5A and 15E with quite large diameters (up to 813 mm) and thicknesses (up to 57 mm). In his specification, the client specified the number of monitoring thermocouples...