Hi everybody,
I have a question about a pig trap designed as per ASME VIII div 1 and which should be U-stamped.
I have received a comment told me that material like ASTM A694 F60/65 cannot be U-stamped cause is not listed in ASME VIII div 1.
Does anybody know if is possible to U-stamp material...
Hi all,
I have a question concerning possibility to use WPS/WPQR qualified in one factory and send to be used in a another (subcontractor) factory.
This is a pipe-to-forged weld as per ISO 13847 Petroleum and natural gas Welding of pipelines 2000.
Can i allow my sub-contractor to use one of my...
Hello,
I would like to know if anyone has experiences in cutting a prolongation for 4130 forging before or after the final heat treatment.
Supplier proposes to me to cut before the final heat treatment the prolongation and put everything in the same batch for the heat treatment.
I have been...
We would need to perform a pipe-to-pipe welding for dissimilar materials (duplex-Inconel and Duplex-SS316L), I am not a welding eng so I would like to know if someone has experiences on that and which is your advice in terms of process and filler materials.
rgds
Hello,
I have a question regarding test result on welding root between ASTM F65 and SMLS 450.
Indeed, on 12 coupons tested in accordance with NACE TM177 two coupons were presented cracks of 0.7mm depth. To understand the problem we performed microhardenss test beside the cracks and we...
