BS 6693-4:1988
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Diffusible hydrogen Primary method for the determination of diffusible hydrogen in submerged-arc ferritic steel weld metal
Hardcopy , PDF
15-03-2001
English
31-08-1988
Foreword
Committees responsible
Method
1 Scope
2 Principle
3 Reproducibility
4 Materials and apparatus
5 Procedure
6 Calculation and expression of results
7 Instrument methods
Appendices
A Reproducibility of the method
B Recording of data
C Rapid methods for the measurement of diffusible
hydrogen in ferritic arc weld metal
Table
1 Laboratory tests' confidence limits
Figures
1 Submerged-arc welding fixture and test piece assembly
2 Use of copper foil to maintain constant flux depth
3 Diffusible hydrogen collecting apparatus, 'Y' tube
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