译：GB/T 20127.13-2006 Steel and alloy—Determination of trace element contents—Part 13:Determination of tin content by iodide extraction-phenylfluorone photometric method

译：GB/T 20121-2006 Corrosion of metals and alloys—Corrosion tests in artificial atmosphere—Accelerated outdoor test by intermittent spraying of a salt solution(Scab test)

译：GB/T 20125-2006 Low-alloy steel—Determination of multi-element contents—Inductively coupled plasma atomic emission spectrometric method

译：GB/T 20123-2006 Steel and iron—Determination of total carbon and sulfur content Infrared absorption method after combustion in an induction furnace (routine method)

译：GB/T 20127.1-2006 Steel and alloy—Determination of trace element contents—Part 1:Determination of silver content by graphite furnace atomic absorption spectrometric method

译：GB/T 20127.11-2006 Steel and alloy—Determination of trace element contents—Part 11:Determination of indium and thallium contents by inductively coupled plasma-mass spectrometric method

译：GB/T 20122-2006 Corrosion of metals and alloys—Evaluation of stress corrosion cracking by the drop evaporation test

译：GB/T 20126-2006 Unalloyed Steel—Determination of low carbon content—Part 2:Infrared absorption method after combustion in an induction furnace(With preheating)

译：GB/T 20127.12-2006 Steel and alloy—Determination of trace element contents—Part 12:Determination of zinc content by flame atomic absorption spectrometric method

译：GB/T 20127.10-2006 Steel and alloy—Determination of trace element contents—Part 10:Determination of selenium content by hydride generation-atomic fluorescence spectrometric method