BS 6787:1987

National foreword
Committees responsible
Method
0. Introduction
1. Scope
2. Field of application
3. References
4. Principle
5. Calibration
6. Standard method for manual electrodes
7. Production welds and other measuring techniques
8. Other methods
Annex
A. Procedures used to prepare secondary standards for
    delta ferrite in austenitic stainless steel weld
    metal
Tables
1. Relationship between ferrite number and thickness
    of non-magnetic coating of coating thickness
    standards (specified in 5.1) for calibration of
    instruments for measurement of ferrite content
    through attractive force (specified in 5.3) using
    the standard magnet (specified in 5.2)
2. Welding parameters and deposit dimensions
3. Maximum allowable deviation in the periodic FN check
4. Welding parameters
5. Chemical compositions of seventh layer of strip
    clad deposits
6. NBS Standards employed for 'Magne-gage' calibration
7. Example of the tabular presentation of results on
    the card accompanying each box of standards
Figures
1. Relationship between the tear-off forces of the
    standard magnet defined in 5.2 and the coating
    thickness standards defined in 5.1
2. Weld metal test specimen for ferrite determination
3. Method of depositing weld metal
4. Bead deposition and machining sequences
5. Cutting sequences
6. Extraction of individual standards
7. Marking of each ferrite secondary standards
8. Markings on each standard sample and identification
    of the five measuring points