DETERMINATION OF THE DIFFUSIBLE HYDROGEN CONTENT OF MARTENSITIC, BAINITIC, AND FERRITIC STEEL WELD METAL PRODUCED BY ARC WELDING
American Welding Society
Personnel (Reaffirmation)
Personnel (Original)
Foreword
List of Tables
List of Figures
1. Scope
2. Units of Measure
3. Preparation of Weld Test Assemblies
3.1 Test Assembly Dimensions
3.2 Test Assembly Degassing
3.3 Test Assembly Cleaning and Weighing
4. Welding Fixture
5. Welding and Preparation for Analysis
5.1 Preliminary Preparation
5.2 Welding the Test Assemblies
5.3 Cleaning and Preparation for Analysis
6. Diffusible Hydrogen Analysis
6.1 Analytical Apparatus Requirements
6.2 Loading the Test Specimen into the
Analytical Apparatus
6.3 Hydrogen Evolution and Analysis
6.4 Variants of Hydrogen Evolution
6.5 Reporting of Results
6.6 Reference Atmospheric Condition
7. Standard Mercury Displacement Method
7.1 Safety Precautions
7.2 Collection of Diffusible Hydrogen
7.3 Calculations
8. Standard Gas Chromatography Method
Appendix (Informative) - Guide to Standard Methods for
Determination of the Diffusible
Hydrogen Content of Martensitic,
Bainitic, and Ferritic Steel Weld
Metal Produced by Arc Welding
AWS Filler Metal Specifications and Related Documents
Specifies a standard weld test assembly, a standard method of test specimen preparation, and two standard methods of analysis for determination of diffusible hydrogen from martensitic, bainitic, and ferritic steel weld metals.
| Document Type | Standard |
| Status | Current |
| Publisher | American Welding Society |
