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Brazing
  • BS EN ISO 13585:2012 pdf free download.Brazing一Qualification test of brazers and brazing operators. The acceptance requirements for imperfections found by test methods specified in this International Standard shall, unless otherwise specified, be assessed in accordance with ISO 18279. A brazer or brazing operator is qualified, if the imperfections are within quality level B of ISO 18279 and no imperfections pass through the joint length. 8 Re-tests If any test fails to comply with the requirements of this International Standard, the brazer or brazing operator shall be given the opportunity to repeat the qualification test once without further training. If it is established that failure is due to metallurgical or other extraneous causes that cannot be directly attributed to the lack of skill of the brazer or brazing operator, an additional test is required in order to assess the quality and integrity of the new test material and/or new test conditions. 9 Period of validity 9.1 Initial qualification The period of validity of the brazer qualification starts at the date of brazing, or the date of prolongation, see 9.2. However, the brazer qualification is not valid until all required tests are completed and accepted. The period of validity of the brazer…