I will try to ask for a waiver stating no sample availabe and see how it goes from there. The valves has already been installed and currently being used.
This is an initial purchase for tube rupture study purpose so there is a good chance will be accepted. Purchase for actual application will...
Thanks for the input.
We did actually do pitting corrosion test in according to ASTM G48 and impact test at low temperature with no issue. I'll try to respond to the comment with these reports.
Regarding the attached micro, if sample(s) from corrosion/ferrite test still available, is it...
Hello,
Our company supply valves for the OnG industry. One job in particular has us supplying Duplex SS ball valves.
We submitted Mill Cert for end user review. They rejected and commented to have each heat be micrographically examined at 400x minimum to check for absence of grain boundary...
