What tests are usual or possible for thermowells and protection tubes?
Common non-destructive tests are the pressure test and, for protection tubes and thermowells with a welding seam, the liquid penetrant test. In addition, to test the centrality of the bore, ultrasound or X-ray testing is possible. To test the seali ...
More ...What is meant by double-certified materials, such as "SS 316/316L"?
Dual certified materials fulfil the requirements of the individual materials. The material SS316 has, per ASTM A182, a maximum carbon content of 0.08 %; the material SS316L (L=low carbon) has a maximum carbon content of 0.03 %. Steel alloy, with, ...
More ...Can the calculations per ASME PTC 19.3 TW-2016 be used for thermowells and protection tubes?
No. The calculation per ASME PTC 19.3 TW-2016 is only used for thermowells in tapered, straight or stepped designs from solid materials, such as Model TW10, TW15, TW20, etc.