Question:

What is the status of alloys S20100, S20200, and S20500 in NACE MR0175/ISO 15156-3 Table A.2?

Answer:

Alloys S20100, S20200, and S20500 do not meet the requirements of A.2 and are therefore not covered by the ISO 15156-3 austenitic stainless steel limit tables. Annex D in the standard is included for information purposes only and is not a list of approved materials.

Background:

This question pertains to NACE MR0175/ISO 15156-3 Table A.2, and the reference cited is ISO 15156 Maintenance Panel Inquiry #2009-19.

Keyword:

NACE MR0175/ISO 15156-3 Table A.2

Page Text:

This page provides a Q&A section that addresses a question regarding the listing of alloys S20100, S20200, and S20500 in NACE MR0175/ISO 15156-3 Table A.2. The answer provided states that these alloys do not meet the requirements of A.2 and are therefore not covered by the ISO 15156-3 austenitic stainless steel limit tables. Annex D in the standard is included for information purposes only and is not a list of approved materials.