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发表于 2017-5-8 14:19:54
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RCC-M Section III
MC-4200 Control Method
- The following is added to paragraph 7.3 of the standard:
"The requirements contained in the "General Rules" of subchapter F 6423 in SECTION V of the RCC-M (restrictions regarding chlorine, fluorine and sulphur content for products used for examination of austenitic steel or nickel-base alloys) must be complied with".
RCC-M Section V
F 6423 Requirements for The Use of Products Containing Noxious Chemical Elements
3) Products used for liquid penetrant examination (penetrants and developers)
The maximum allowable content of products applied to austenitic stainless steels and nickelbase alloy surfaces shall be:
. 200 ppm for chloride plus fluoride
. 200 ppm for sulphur
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