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SAE J422
Microscopic Determination of Inclusions in Steels
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STANDARD published on 1.1.2018
The information about the standard:
Designation standards: SAE J422
Publication date standards: 1.1.2018
SKU: NS-807136
Country: American technical standard
Category: Technical standards SAE
Annotation of standard text SAE J422 :
This recommended microscopic practice for evaluating the inclusion content in steel has been developed as a practical method of quantitatively determining the degree of cleanliness of steel. This method has been established as a reasonable control for steel mill operations and acceptance for production manufacturing. It has been widely accepted for carbon and alloy steel bars, billets, and slabs. Exceptions are resulfurized grades which are outside the limits of these photomicrographs and the high carbon bearing quality steels which are generally classified using ASTM E 45-60T, Method A, Jernkontoret Charts.
SUBJECT TAXONOMY: Microscopy, Steel, Materials properties, Inspections
SUBFILE: Automotive
TYPE OF DOCUMENT: Ground Vehicle Standard
Stabilized: Jan 2018 
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