ISO 4986:2010
Steel castings — Magnetic particle inspection
ISO 4986:2010 specifies a method for the magnetic particle inspection of ferro-magnetic steel castings.
It also gives acceptance criteria through severity levels defined by the nature, the area and the dimensions of the discontinuities present.
ISO 4986:2010 applies to all ferro‑magnetic castings, independent of the moulding method.
A steel casting is considered to be ferro‑magnetic if the magnetic induction is greater than 1 T (Tesla) for a magnetic field strength of 2,4 kA/m.
ISO 4986:2010 only applies to those areas of the castings specified for inspection, as well as the percentage of castings to be inspected.
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Scope
Normative references
Ordering information
Method of inspection
Operating mode
Qualification of the operators
Surface preparation
Conditions of inspection
Acceptance criteria
Definition of magnetic-inspection indications
General
Non-linear indications (SM)
Linear indications (LM)
Severity levels
General
Non-linear indications
Linear and aligned indications
General
Section thickness type
Selection of the severity level
Designation of severity levels
Classification of the indications and interpretation of resu
Classification of the indications using Tables 1 and 2
General
Non-linear indications
Linear and aligned indications
Interpretation of results
Cleaning after examination and demagnetization
Inspection documents
Previous versions
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Scope
Normative references
Ordering information
Method of inspection
Operating mode
Qualification of the operators
Surface preparation
Conditions of inspection
Acceptance criteria
Definition of magnetic-inspection indications
General
Non-linear indications (SM)
Linear indications (LM)
Severity levels
General
Non-linear indications
Linear and aligned indications
General
Section thickness type
Selection of the severity level
Designation of severity levels
Classification of the indications and interpretation of resu
Classification of the indications using Tables 1 and 2
General
Non-linear indications
Linear and aligned indications
Interpretation of results
Cleaning after examination and demagnetization
Inspection documents