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Is NiMo16Cr16Ti (TUV Specification 429 09.2002 Material No 2.4610) qualified to NACE MR0175?

Question:

We produce a highly corrosion resistant NiMo 16 Cr 16 Ti alloy to the German TUV Specification 429 09.2002 Material No 2.4610. Could you please confirm that this material complies with the requirements for materials Types 4b and 4e of NACE MR0175/ISO 15156:2009 Part 3 Annex A Table A.12?

Answer:

If, in addition to the TUV specification, this material also satisfies the requirements of UNS N06455 with a minimum chromium content of 14.5%, it does comply with the requirements for Type 4b and 4e provided the metallurgical conditions defined in Table A.12 are also fulfilled.

This question is in relation to NACE MR0175/ISO 15156-3 A.4, Table A.12

Reference: ISO 15156 Maintenance Panel Inquiry #2014-01

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