NACE Standard MR0175 accepts ductile iron to ASTM A 395. Can we use ASTM A 536 Grade 60/40/18?
Title: Using Nodular Iron Screw Compressors for NACE MR0175 Compliance
Introduction
This page addresses the question of whether nodular iron screw compressors supplied with ASTM A 536 Grade 60/40/18 are a suitable alternative to ferritic ductile iron to ASTM A 395 for compliance with NACE Standard MR0175.
ISO Maintenance Panel’s Role
The answer clarifies that the ISO Maintenance Panel’s role is solely to ensure that NACE MR0175/ISO 15156 is clear in its requirements and kept up-to-date. They cannot provide advice on materials selection issues.
Proposing an Amendment
The procedure to propose an amendment to the standard to include ASTM A 536 Grade 60/40/18 is described in “”01. Introduction to ISO 15156 Maintenance Activities”” on the website www.iso.org/iso15156maintenance.
Reference to ISO 15156 Maintenance Panel Inquiry #2005-27
The question is in relation to NACE MR0175/ISO 15156-2 Annex A.2.4.3, and the page cites ISO 15156 Maintenance Panel Inquiry #2005-27 as a reference for this information.
Verification Services
Additionally, the page offers clients the services of the team to verify materials substitution and compliance with NACE MR0175.