SIS SS 11 11 16-1987 PDF

Scope: This standard is applicable in the first place to the assessment of non-metallic inclusions in plastic formed steels. The method can also be applied to the assessment of inclusions in other wrought metallic materials with analogue distribution of inclusions and to cast and sintered steels. The following points shall be given in a product standard, or a delivery requirement, or be agreed between the parties. - assessment alternative - the size of the inclusions which shall be covered by the assessment - the diameter of the field of vision (when the frequency-method is used, see clause 7.2.1) - amount of inspection - position of sample surface in product - recording of results - any cleanness requirements on the steel to be tested

SIS SS 11 11 16-1987 history

1987 SIS SS 11 11 16-1987 Steel - Method for assessment of the content of non-metallic inclusions - Microscopic methods - Jernkontorets inclusion chart II for the assessment of non-metallic inclusions
1985 SIS SS 11 11 16-1985 Steel - Method for assessing the slag inclusion content - Microscopic methods - Jemkontorefs inclusion chart II for the estimation of slag inclusions