01 AC7101/4 Rev F

Nadcap Audit Criteria for Materials Testing Laboratories- Metallography & Microindentation Hardness(to be used on audits on/after 14, August 2016) If the Audites holds any MTL accreditation, then this checklist must be done as part of an MTL audit

(L0) Metallography Evaluation
(L1)Microindentation(Interior)
(L10)Near Surface Examinations – Carburization/Decarnurization
(L5)Near Surface Examinations – Microindentation(Surface Case Depth)
(L5X)Near Surface Examinations – Microindentation(Surface)(Chord Method ARP1820)
(L6)Near Surface Examinations – Nitriding
(L7)Near Surface Examinations – IGA, IGO

02 AC7102 Rev J

Nadcap Audit Criteria for Heat Treating Baseline(AC7102/S and AC7102/8 must also be selected)(to be used on audits on/after 3 December 2017)

Aluminum Alloys – AC7102/2 must also be selected
Carburizing – AC7102/3 must also be selected
Nickel and Cobalt Alloys – Industry Specs – Check any applicable boxes
Nitriding – AC7102/4 must also be selected
Stainless Steels, Austenitic – Industry Specs – Check any applicable boxes
Stainless Steels, Martensitic – Industry Specs – Check any applicable boxes
Stainless Steels, Precipitation Hardening – Industry Specs – Check any applicable boxes
Steels – Industry Specs – Check any applicable boxes
Stress Relieve – Industry Specs – Check any applicable boxes
Titanium Alloys – Customer Specs
Vacuum Heat Treating – Industry Specs – Check any applicable boxes

03 AC7102S Rev J

Nadcap Supplemental Audit Criteria for Heat Treating(to be used on audits on’after 31 May 2020)

04 AC7102/2 Rev D

Nadcap Audit Criteria for Aluminium Heat Treating(to be used on audits on/after 2 September, 2018)

Aluminium Alloys – Industry Specs – Check any appicable boxes

05 AC7102/3 Rev D

Nadcap Audit Criteria for Heat Treating – Carburizing(to be used on audits on/after 10 July 2016)

Carburizing – Customer Specs
Carburizing – Industry Specs – Check any applicable boxes

06 AC7102/4 Rev D

Nadcap Audit Criteria for Heat Treating – Cas, Ion/Plasma and /or Salt Bath Nitriding(to be used on audits on/after 6 August 2017)

Nitriding – Customer Specs
Nitriding – Industry Specs – Check any appliable boxes

07 AC7102/5 Rev E

Nadcap Audit Criteria for Heat Treating – Hardness and/or Conductivity Testing(to be used on/after 5 May 2019)

Conductivity – Industry Specs -Check any applicable boxes
Hardness – Rockwell – Check any applicable boxes
Hardness – Vickers – Check any applicable boxes

08 AC7102/8

Nadcap Audit Criteria for Heat Treating Pyrometry

Pyrometry – Customer Specs
Pyrometry – Industry Specs – Check any applicable boxes
AMS2750