API 6A 20th edition deleted limit on Nickel. o2cc3`*8d
{+GR/l\!#
Concerns about this change: |6;-P&_n
Users of undocumented equipment cannot base acceptance for sour service on hardness alone. ZH*h1?\X
Practice of using hardness testing as basis of conformance to NACE MR0175 is prevalent. 0
/9 C=v
Limits interchangeability of equipment. #eX<=H]
Limits flexibility of repaired and remanufactured equipment. (Not addressed in Annex J) A3*(c3