What does “17-4PH service tool applications mean” in NACE MR0175 Table A.28,?
NACE MR0175/ISO 15156-3 Table A.28 Clarification
This page provides clarification on NACE MR0175/ISO 15156-3, Table A.28, which lists “”Internal Components for Valves, Pressure Regulators, and Level Controllers.”” The table also states that “”UNS S17400 … has been used in service tool applications at the surface when stressed at less than 60% of its minimum specified yield strength under working conditions.””
What are Service Tool Applications?
The inquiry seeks to understand what qualifies as service tool applications. The answer explains that this paragraph applies to components temporarily installed at the surface as part of routine well servicing. For example, components of wireline valves used during a wireline job are considered service tools.
NACE MR0175/ISO 15156-3 A.8.2, Table A.28
This question pertains to NACE MR0175/ISO 15156-3 A.8.2, Table A.28, and the reference cited is ISO 15156 Maintenance Panel Inquiry #2003-32.
Update from 2016 regarding NACE MR0175 2015 – Technical Circular 1
Additionally, the page includes an update from 2016 regarding NACE MR0175 2015 – Technical Circular 1, which has implications for 17-4 PH. Those who require additional details regarding 17-4 PH metallurgy or support for using it as a material for sour environments can contact the team for assistance.