Have received a mill certificate from a steel supplied for DN400 ASTM A333-6, DN40 XS.
The impact test results for a 10x10mm specimen at -45degC are 1) 298J, 2) 298J and 3) 298J.
This seems indefeasibly high. It also seems unfeasible that all 3 test results are identical in value.
I am...
Recently removed a flare tip from service (refinery) after 8 years in operation. Flare tip body is constructed of SS310 and is severely distorted.
DPI shows scattered surface porosity and also some cracking (photos).
Hardness test reported 100-120HV, which seems alot softer than original mill...
Apologies if this sounds a bit elementary, but its something i still don't fully understand:
What dictates the AS1210 construction class of a vessel?
Say as an example,
Have a vessel fabricated in 1955 under ASME. Need to replace a DN50 nozzle on the vessel and wish to carry out repair to...
